(command.CommandList
  children: [
    (command.CommandList
      children: [
        (command.Sentence
          child: 
            (command.ShAssignment
              pairs: [
                (assign_pair
                  lhs: (sh_lhs_expr.Name name:IFS)
                  op: assign_op.Equal
                  rhs: 
                    {
                      (single_quoted
                        left: <Id.Left_SingleQuoteC "$'">
                        tokens: [<Id.Char_Literals ' '> <Id.Char_OneChar '\\t'> <Id.Char_OneChar '\\r'>]
                      )
                    }
                  spids: [36]
                )
                (assign_pair
                  lhs: (sh_lhs_expr.Name name:VERSION)
                  op: assign_op.Equal
                  rhs: {<5.1.2-bashcached>}
                  spids: [43]
                )
              ]
            )
          terminator: <Id.Op_Semi _>
        )
        (C {<export>} {<Id.Lit_VarLike 'LANG='> <C>})
      ]
    )
    (C {<trap>} {(SQ <'exit 0'>)} {<INT>} {<TERM>})
    (command.If
      arms: [
        (if_arm
          cond: [
            (command.Sentence
              child: 
                (command.DBracket
                  expr: (bool_expr.WordTest w:{(DQ ($ Id.VSub_DollarName '$SOCAT_VERSION'))})
                )
              terminator: <Id.Op_Semi _>
            )
          ]
          action: [
            (command.Sentence
              child: 
                (command.ShAssignment
                  pairs: [
                    (assign_pair
                      lhs: (sh_lhs_expr.Name name:send)
                      op: assign_op.Equal
                      rhs: 
                        {
                          (DQ 
                            (command_sub
                              left_token: <Id.Left_DollarParen '$('>
                              command_list: (command.CommandList children:[(C {<mktemp>} {<-u>})])
                            )
                          )
                        }
                      spids: [77]
                    )
                  ]
                )
              terminator: <Id.Op_Semi _>
            )
            (C {<mkfifo>} {<-m>} {<600>} {(DQ ($ Id.VSub_DollarName '$send'))})
            (command.Sentence
              child: 
                (command.ShAssignment
                  pairs: [
                    (assign_pair
                      lhs: (sh_lhs_expr.Name name:recv)
                      op: assign_op.Equal
                      rhs: 
                        {
                          (DQ 
                            (command_sub
                              left_token: <Id.Left_DollarParen '$('>
                              command_list: (command.CommandList children:[(C {<mktemp>} {<-u>})])
                            )
                          )
                        }
                      spids: [98]
                    )
                  ]
                )
              terminator: <Id.Op_Semi _>
            )
            (command.Sentence
              child: (C {<mkfifo>} {<-m>} {<600>} {(DQ ($ Id.VSub_DollarName '$recv'))})
              terminator: <Id.Op_Semi _>
            )
            (command.Sentence
              child: 
                (command.WhileUntil
                  keyword: <Id.KW_While while>
                  cond: [
                    (command.Sentence
                      child: 
                        (command.DBracket
                          expr: 
                            (bool_expr.Unary
                              op_id: Id.BoolUnary_p
                              child: {(DQ ($ Id.VSub_DollarName '$recv'))}
                            )
                        )
                      terminator: <Id.Op_Semi _>
                    )
                  ]
                  body: 
                    (command.DoGroup
                      children: [
                        (command.Sentence
                          child: 
                            (command.Simple
                              words: [{<cat>} {(DQ ($ Id.VSub_DollarName '$recv'))}]
                              redirects: [
                                (redir.Redir
                                  op: <Id.Redir_Great '2>'>
                                  fd: 2
                                  arg_word: {</dev/null>}
                                )
                              ]
                            )
                          terminator: <Id.Op_Semi _>
                        )
                      ]
                    )
                )
              terminator: <Id.Op_Amp _>
            )
            (command.Sentence
              child: (C {<trap>} {(SQ <'rm -f "$recv" "$send"'>)} {<EXIT>})
              terminator: <Id.Op_Semi _>
            )
            (command.WhileUntil
              keyword: <Id.KW_While while>
              cond: [(command.Sentence child:(C {<read>} {<-ra>} {<cmd>}) terminator:<Id.Op_Semi _>)]
              body: 
                (command.DoGroup
                  children: [
                    (command.Sentence
                      child: 
                        (command.Case
                          to_match: 
                            {
                              (braced_var_sub
                                token: <Id.VSub_Name cmd>
                                bracket_op: 
                                  (bracket_op.ArrayIndex
                                    expr: (arith_expr.ArithWord w:{<Id.Lit_Digits 0>})
                                  )
                              )
                            }
                          arms: [
                            (case_arm
                              pat_list: [
                                {<Id.KW_Set set>}
                                {<add>}
                                {<replace>}
                                {<append>}
                                {<prepend>}
                                {<cas>}
                              ]
                              action: [
                                (command.Sentence
                                  child: 
                                    (command.WhileUntil
                                      keyword: <Id.KW_While while>
                                      cond: [
                                        (command.Sentence
                                          child: (C {<true>})
                                          terminator: <Id.Op_Semi _>
                                        )
                                      ]
                                      body: 
                                        (command.DoGroup
                                          children: [
                                            (command.AndOr
                                              ops: [Id.Op_DAmp]
                                              children: [
                                                (command.Simple
                                                  words: [
                                                    {<printf>}
                                                    {(SQ <'recv=%q send=%q cmd=%q\\n'>)}
                                                    {(DQ ($ Id.VSub_DollarName '$recv'))}
                                                    {(DQ ($ Id.VSub_DollarName '$send'))}
                                                    {
                                                      (DQ 
                                                        (braced_var_sub
                                                          token: <Id.VSub_Name cmd>
                                                          bracket_op: 
                                                            (bracket_op.WholeArray
                                                              op_id: Id.Arith_Star
                                                            )
                                                        )
                                                      )
                                                    }
                                                  ]
                                                  redirects: [
                                                    (redir.Redir
                                                      op: <Id.Redir_Great '>'>
                                                      fd: -1
                                                      arg_word: 
                                                        {
                                                          (DQ 
                                                            ($ Id.VSub_DollarName '$BASHCACHED_PIPE')
                                                          )
                                                        }
                                                    )
                                                    (redir.Redir
                                                      op: <Id.Redir_Great '2>'>
                                                      fd: 2
                                                      arg_word: {</dev/null>}
                                                    )
                                                  ]
                                                )
                                                (command.ControlFlow
                                                  token: <Id.ControlFlow_Break break>
                                                )
                                              ]
                                            )
                                          ]
                                        )
                                    )
                                  terminator: <Id.Op_Semi _>
                                )
                                (command.Simple
                                  words: [
                                    {<head>}
                                    {<-c>}
                                    {
                                      (DQ 
                                        (braced_var_sub
                                          token: <Id.VSub_Name cmd>
                                          bracket_op: 
                                            (bracket_op.ArrayIndex
                                              expr: (arith_expr.ArithWord w:{<Id.Lit_Digits 4>})
                                            )
                                          suffix_op: 
                                            (suffix_op.Unary
                                              op_id: Id.VTest_Hyphen
                                              arg_word: {<0>}
                                            )
                                        )
                                      )
                                    }
                                  ]
                                  redirects: [
                                    (redir.Redir
                                      op: <Id.Redir_Great '>'>
                                      fd: -1
                                      arg_word: {(DQ ($ Id.VSub_DollarName '$send'))}
                                    )
                                  ]
                                )
                              ]
                              spids: [181 192 260 -1]
                            )
                            (case_arm
                              pat_list: [{<quit>}]
                              action: [(command.ControlFlow token:<Id.ControlFlow_Exit exit>)]
                              spids: [263 264 267 -1]
                            )
                            (case_arm
                              pat_list: [{(SQ )}]
                              spids: [269 271 273 -1]
                            )
                            (case_arm
                              pat_list: [{<Id.Lit_Star '*'>}]
                              action: [
                                (command.WhileUntil
                                  keyword: <Id.KW_While while>
                                  cond: [
                                    (command.Sentence
                                      child: (C {<true>})
                                      terminator: <Id.Op_Semi _>
                                    )
                                  ]
                                  body: 
                                    (command.DoGroup
                                      children: [
                                        (command.Sentence
                                          child: 
                                            (command.AndOr
                                              ops: [Id.Op_DAmp]
                                              children: [
                                                (command.Simple
                                                  words: [
                                                    {<printf>}
                                                    {(SQ <'recv=%q send=%q cmd=%q\\n'>)}
                                                    {(DQ ($ Id.VSub_DollarName '$recv'))}
                                                    {(DQ ($ Id.VSub_DollarName '$send'))}
                                                    {
                                                      (DQ 
                                                        (braced_var_sub
                                                          token: <Id.VSub_Name cmd>
                                                          bracket_op: 
                                                            (bracket_op.WholeArray
                                                              op_id: Id.Arith_Star
                                                            )
                                                        )
                                                      )
                                                    }
                                                  ]
                                                  redirects: [
                                                    (redir.Redir
                                                      op: <Id.Redir_Great '>'>
                                                      fd: -1
                                                      arg_word: 
                                                        {
                                                          (DQ 
                                                            ($ Id.VSub_DollarName '$BASHCACHED_PIPE')
                                                          )
                                                        }
                                                    )
                                                    (redir.Redir
                                                      op: <Id.Redir_Great '2>'>
                                                      fd: 2
                                                      arg_word: {</dev/null>}
                                                    )
                                                  ]
                                                )
                                                (command.ControlFlow
                                                  token: <Id.ControlFlow_Break break>
                                                )
                                              ]
                                            )
                                          terminator: <Id.Op_Semi _>
                                        )
                                      ]
                                    )
                                )
                              ]
                              spids: [275 276 323 -1]
                            )
                          ]
                        )
                      terminator: <Id.Op_Semi _>
                    )
                  ]
                )
            )
          ]
          spids: [63 74]
        )
      ]
      else_action: [
        (command.Sentence
          child: 
            (command.ShFunction
              name: help
              body: 
                (command.BraceGroup
                  children: [
                    (command.Sentence
                      child: 
                        (command.Pipeline
                          children: [
                            (command.Simple
                              words: [{<tail>} {<-n> <Id.Lit_Other '+'> <2>}]
                              redirects: [
                                (redir.Redir
                                  op: <Id.Redir_Less '<'>
                                  fd: -1
                                  arg_word: {(DQ ($ Id.VSub_Number '$0'))}
                                )
                              ]
                            )
                            (C {<head>} {<-n11>})
                            (C {<cut>} {<-c3->})
                          ]
                          negated: F
                        )
                      terminator: <Id.Op_Semi _>
                    )
                    (command.Sentence
                      child: (command.ControlFlow token:<Id.ControlFlow_Exit exit>)
                      terminator: <Id.Op_Semi _>
                    )
                  ]
                )
            )
          terminator: <Id.Op_Semi _>
        )
        (command.ShFunction
          name: version
          body: 
            (command.BraceGroup
              children: [
                (command.Sentence
                  child: (C {<echo>} {($ Id.VSub_DollarName '$VERSION')})
                  terminator: <Id.Op_Semi _>
                )
                (command.Sentence
                  child: (command.ControlFlow token:<Id.ControlFlow_Exit exit>)
                  terminator: <Id.Op_Semi _>
                )
              ]
            )
        )
        (command.ShFunction
          name: license
          body: 
            (command.BraceGroup
              children: [
                (command.Sentence
                  child: 
                    (C {<curl>} 
                      {
                        (SQ 
                          <
'https://raw.githubusercontent.com/MakeNowJust/bashcached/master/LICENSE.MIT.md'
                          >
                        )
                      }
                    )
                  terminator: <Id.Op_Semi _>
                )
                (command.Sentence child:(C {<echo>}) terminator:<Id.Op_Semi _>)
                (command.Sentence
                  child: 
                    (C {<curl>} 
                      {
                        (SQ 
                          <
'https://raw.githubusercontent.com/MakeNowJust/bashcached/master/LICENSE.%F0%9F%8D%A3.md'
                          >
                        )
                      }
                    )
                  terminator: <Id.Op_Semi _>
                )
                (command.Sentence
                  child: (command.ControlFlow token:<Id.ControlFlow_Exit exit>)
                  terminator: <Id.Op_Semi _>
                )
              ]
            )
        )
        (command.ForEach
          iter_name: v
          iter_words: [{(DQ ($ Id.VSub_At '$@'))}]
          do_arg_iter: F
          body: 
            (command.DoGroup
              children: [
                (command.Sentence
                  child: 
                    (command.AndOr
                      ops: [Id.Op_DAmp]
                      children: [
                        (command.DBracket
                          expr: 
                            (bool_expr.Binary
                              op_id: Id.BoolBinary_GlobDEqual
                              left: {($ Id.VSub_DollarName '$v')}
                              right: {<--> <Id.Lit_Other '*'>}
                            )
                        )
                        (C {<eval>} 
                          {
                            (DQ 
                              (braced_var_sub
                                token: <Id.VSub_Name v>
                                suffix_op: 
                                  (suffix_op.Slice
                                    begin: (arith_expr.ArithWord w:{<Id.Lit_Digits 2>})
                                  )
                              )
                            )
                          }
                        )
                      ]
                    )
                  terminator: <Id.Op_Semi _>
                )
              ]
            )
        )
        (command.ShAssignment
          pairs: [
            (assign_pair
              lhs: (sh_lhs_expr.Name name:unique)
              op: assign_op.Equal
              rhs: {<1>}
              spids: [462]
            )
            (assign_pair
              lhs: (sh_lhs_expr.Name name:before)
              op: assign_op.Equal
              rhs: 
                {
                  (command_sub
                    left_token: <Id.Left_DollarParen '$('>
                    command_list: 
                      (command.CommandList
                        children: [(C {<printf>} {(SQ <'%(%s)T'>)} {<-1>})]
                      )
                  )
                }
              spids: [465]
            )
          ]
        )
        (C {<declare>} {<-A>} {<Id.Lit_VarLike 'flags='> (sh_array_literal left:<Id.Op_LParen _>)} 
          {<Id.Lit_VarLike 'exptime='> (sh_array_literal left:<Id.Op_LParen _>)} {<Id.Lit_VarLike 'casUnique='> (sh_array_literal left:<Id.Op_LParen _>)} 
          {<Id.Lit_VarLike 'data='> (sh_array_literal left:<Id.Op_LParen _>)}
        )
        (command.ShFunction
          name: cache_has
          body: 
            (command.BraceGroup
              children: [
                (command.Sentence
                  child: 
                    (command.AndOr
                      ops: [Id.Op_DAmp]
                      children: [
                        (command.ShAssignment
                          pairs: [
                            (assign_pair
                              lhs: (sh_lhs_expr.Name name:t)
                              op: assign_op.Equal
                              rhs: 
                                {
                                  (braced_var_sub
                                    token: <Id.VSub_Name exptime>
                                    bracket_op: 
                                      (bracket_op.ArrayIndex
                                        expr: (arith_expr.ArithWord w:{($ Id.VSub_Number '$1')})
                                      )
                                  )
                                }
                              spids: [509]
                            )
                          ]
                        )
                        (command.DBracket
                          expr: 
                            (bool_expr.LogicalAnd
                              left: (bool_expr.WordTest w:{($ Id.VSub_DollarName '$t')})
                              right: 
                                (bool_expr.LogicalOr
                                  left: 
                                    (bool_expr.Binary
                                      op_id: Id.BoolBinary_eq
                                      left: {($ Id.VSub_DollarName '$t')}
                                      right: {<0>}
                                    )
                                  right: 
                                    (bool_expr.Binary
                                      op_id: Id.BoolBinary_gt
                                      left: {($ Id.VSub_DollarName '$t')}
                                      right: {($ Id.VSub_DollarName '$time')}
                                    )
                                )
                            )
                        )
                      ]
                    )
                  terminator: <Id.Op_Semi _>
                )
              ]
            )
        )
        (command.ShFunction
          name: cache_update
          body: 
            (command.BraceGroup
              children: [
                (command.Sentence
                  child: 
                    (command.ShAssignment
                      pairs: [
                        (assign_pair
                          lhs: 
                            (sh_lhs_expr.IndexedName
                              name: data
                              index: (arith_expr.ArithWord w:{($ Id.VSub_Number '$1')})
                            )
                          op: assign_op.Equal
                          rhs: {($ Id.VSub_Number '$2')}
                          spids: [555]
                        )
                      ]
                    )
                  terminator: <Id.Op_Semi _>
                )
                (command.Sentence
                  child: 
                    (command.AndOr
                      ops: [Id.Op_DAmp Id.Op_DPipe]
                      children: [
                        (command.DBracket
                          expr: (bool_expr.WordTest w:{($ Id.VSub_Number '$3')})
                        )
                        (command.ShAssignment
                          pairs: [
                            (assign_pair
                              lhs: 
                                (sh_lhs_expr.IndexedName
                                  name: casUnique
                                  index: (arith_expr.ArithWord w:{($ Id.VSub_Number '$1')})
                                )
                              op: assign_op.Equal
                              rhs: {(DQ ($ Id.VSub_Number '$3'))}
                              spids: [571]
                            )
                          ]
                        )
                        (command.ShAssignment
                          pairs: [
                            (assign_pair
                              lhs: 
                                (sh_lhs_expr.IndexedName
                                  name: casUnique
                                  index: (arith_expr.ArithWord w:{($ Id.VSub_Number '$1')})
                                )
                              op: assign_op.Equal
                              rhs: 
                                {
                                  (word_part.ArithSub
                                    anode: 
                                      (arith_expr.UnaryAssign
                                        op_id: Id.Node_PostDPlus
                                        child: (sh_lhs_expr.Name name:unique)
                                      )
                                  )
                                }
                              spids: [582]
                            )
                          ]
                        )
                      ]
                    )
                  terminator: <Id.Op_Semi _>
                )
              ]
            )
        )
        (command.ShFunction
          name: cache_set
          body: 
            (command.BraceGroup
              children: [
                (command.Sentence
                  child: 
                    (command.ShAssignment
                      pairs: [
                        (assign_pair
                          lhs: 
                            (sh_lhs_expr.IndexedName
                              name: flags
                              index: (arith_expr.ArithWord w:{($ Id.VSub_Number '$1')})
                            )
                          op: assign_op.Equal
                          rhs: {($ Id.VSub_Number '$2')}
                          spids: [603]
                        )
                        (assign_pair
                          lhs: 
                            (sh_lhs_expr.IndexedName
                              name: exptime
                              index: (arith_expr.ArithWord w:{($ Id.VSub_Number '$1')})
                            )
                          op: assign_op.Equal
                          rhs: 
                            {
                              (word_part.ArithSub
                                anode: 
                                  (arith_expr.TernaryOp
                                    cond: 
                                      (arith_expr.Binary
                                        op_id: Id.Arith_DAmp
                                        left: 
                                          (arith_expr.Binary
                                            op_id: Id.Arith_Less
                                            left: (arith_expr.ArithWord w:{<Id.Lit_Digits 0>})
                                            right: (arith_expr.ArithWord w:{($ Id.VSub_Number '$3')})
                                          )
                                        right: 
                                          (arith_expr.Binary
                                            op_id: Id.Arith_LessEqual
                                            left: (arith_expr.ArithWord w:{($ Id.VSub_Number '$3')})
                                            right: (arith_expr.ArithWord w:{<Id.Lit_Digits 2592000>})
                                          )
                                      )
                                    true_expr: 
                                      (arith_expr.Binary
                                        op_id: Id.Arith_Plus
                                        left: (arith_expr.ArithWord w:{($ Id.VSub_Number '$3')})
                                        right: (arith_expr.VarRef token:<Id.Lit_ArithVarLike time>)
                                      )
                                    false_expr: (arith_expr.ArithWord w:{($ Id.VSub_Number '$3')})
                                  )
                              )
                            }
                          spids: [608]
                        )
                      ]
                    )
                  terminator: <Id.Op_Semi _>
                )
                (command.Sentence
                  child: 
                    (C {<cache_update>} {(DQ ($ Id.VSub_Number '$1'))} {(DQ ($ Id.VSub_Number '$4'))} 
                      {(DQ ($ Id.VSub_Number '$5'))}
                    )
                  terminator: <Id.Op_Semi _>
                )
              ]
            )
        )
        (command.ShFunction
          name: cache_get
          body: 
            (command.BraceGroup
              children: [
                (command.Sentence
                  child: 
                    (command.AndOr
                      ops: [Id.Op_DAmp Id.Op_DAmp Id.Op_DAmp Id.Op_DAmp]
                      children: [
                        (C {<cache_has>} {(DQ ($ Id.VSub_Number '$1'))})
                        (command.ShAssignment
                          pairs: [
                            (assign_pair
                              lhs: (sh_lhs_expr.Name name:d)
                              op: assign_op.Equal
                              rhs: 
                                {
                                  (DQ 
                                    (braced_var_sub
                                      token: <Id.VSub_Name data>
                                      bracket_op: 
                                        (bracket_op.ArrayIndex
                                          expr: (arith_expr.ArithWord w:{($ Id.VSub_Number '$1')})
                                        )
                                    )
                                  )
                                }
                              spids: [677]
                            )
                          ]
                        )
                        (C {<printf>} 
                          {
                            (single_quoted
                              left: <Id.Left_SingleQuoteC "$'">
                              tokens: [
                                <Id.Char_Literals 'VALUE %s %s %s%s'>
                                <Id.Char_OneChar '\\r'>
                                <Id.Char_OneChar '\\n'>
                              ]
                            )
                          } {(DQ ($ Id.VSub_Number '$1'))} 
                          {
                            (DQ 
                              (braced_var_sub
                                token: <Id.VSub_Name flags>
                                bracket_op: 
                                  (bracket_op.ArrayIndex
                                    expr: (arith_expr.ArithWord w:{($ Id.VSub_Number '$1')})
                                  )
                              )
                            )
                          } 
                          {
                            (DQ 
                              (command_sub
                                left_token: <Id.Left_DollarParen '$('>
                                command_list: 
                                  (command.CommandList
                                    children: [
                                      (command.Pipeline
                                        children: [
                                          (C {<echo>} {<-n>} {(DQ ($ Id.VSub_DollarName '$d'))})
                                          (C {<base64>} {<-d>})
                                          (C {<wc>} {<-c>})
                                        ]
                                        negated: F
                                      )
                                    ]
                                  )
                              )
                            )
                          } 
                          {
                            (DQ 
                              (command_sub
                                left_token: <Id.Left_DollarParen '$('>
                                command_list: 
                                  (command.CommandList
                                    children: [
                                      (command.AndOr
                                        ops: [Id.Op_DAmp]
                                        children: [
                                          (command.DBracket
                                            expr: (bool_expr.WordTest w:{($ Id.VSub_Number '$2')})
                                          )
                                          (C {<echo>} 
                                            {
                                              (DQ <' '> 
                                                (braced_var_sub
                                                  token: <Id.VSub_Name casUnique>
                                                  bracket_op: 
                                                    (bracket_op.ArrayIndex
                                                      expr: 
                                                        (arith_expr.ArithWord
                                                          w: {($ Id.VSub_Number '$1')}
                                                        )
                                                    )
                                                )
                                              )
                                            }
                                          )
                                        ]
                                      )
                                    ]
                                  )
                              )
                            )
                          }
                        )
                        (command.Pipeline
                          children: [
                            (C {<echo>} {<-n>} {(DQ ($ Id.VSub_DollarName '$d'))})
                            (C {<base64>} {<-d>})
                          ]
                          negated: F
                        )
                        (C {<echo>} {<-e>} {(SQ <'\\r'>)})
                      ]
                    )
                  terminator: <Id.Op_Semi _>
                )
              ]
            )
        )
        (command.ShFunction
          name: cache_delete
          body: 
            (command.BraceGroup
              children: [
                (command.Sentence
                  child: 
                    (C {<unset>} {(DQ <'flags['> ($ Id.VSub_Number '$1') <']'>)} 
                      {(DQ <'exptime['> ($ Id.VSub_Number '$1') <']'>)} {(DQ <'casUnique['> ($ Id.VSub_Number '$1') <']'>)} {(DQ <'data['> ($ Id.VSub_Number '$1') <']'>)}
                    )
                  terminator: <Id.Op_Semi _>
                )
              ]
            )
        )
        (command.ShFunction
          name: read_data
          body: 
            (command.BraceGroup
              children: [
                (command.Sentence
                  child: 
                    (command.ShAssignment
                      pairs: [
                        (assign_pair
                          lhs: (sh_lhs_expr.Name name:d)
                          op: assign_op.Equal
                          rhs: 
                            {
                              (DQ 
                                (command_sub
                                  left_token: <Id.Left_DollarParen '$('>
                                  command_list: 
                                    (command.CommandList
                                      children: [
                                        (command.Pipeline
                                          children: [
                                            (C {<head>} {<-c>} {(DQ ($ Id.VSub_Number '$1'))} 
                                              {(DQ ($ Id.VSub_DollarName '$send'))}
                                            )
                                            (C {<base64>})
                                          ]
                                          negated: F
                                        )
                                      ]
                                    )
                                )
                              )
                            }
                          spids: [838]
                        )
                      ]
                    )
                  terminator: <Id.Op_Semi _>
                )
              ]
            )
        )
        (command.ShFunction
          name: base64_cat
          body: 
            (command.BraceGroup
              children: [
                (command.Sentence
                  child: 
                    (command.Pipeline
                      children: [
                        (C {<cat>} 
                          {
                            (command_sub
                              left_token: <Id.Left_ProcSubIn '<('>
                              command_list: 
                                (command.CommandList
                                  children: [
                                    (command.Pipeline
                                      children: [
                                        (C {<echo>} {<-n>} {(DQ ($ Id.VSub_Number '$1'))})
                                        (C {<base64>} {<-d>})
                                      ]
                                      negated: F
                                    )
                                  ]
                                )
                            )
                          } 
                          {
                            (command_sub
                              left_token: <Id.Left_ProcSubIn '<('>
                              command_list: 
                                (command.CommandList
                                  children: [
                                    (command.Pipeline
                                      children: [
                                        (C {<echo>} {<-n>} {(DQ ($ Id.VSub_Number '$2'))})
                                        (C {<base64>} {<-d>})
                                      ]
                                      negated: F
                                    )
                                  ]
                                )
                            )
                          }
                        )
                        (C {<base64>})
                      ]
                      negated: F
                    )
                  terminator: <Id.Op_Semi _>
                )
              ]
            )
        )
        (command.Sentence
          child: 
            (command.ShAssignment
              pairs: [
                (assign_pair
                  lhs: (sh_lhs_expr.Name name:BASHCACHED_PIPE)
                  op: assign_op.Equal
                  rhs: 
                    {
                      (DQ 
                        (command_sub
                          left_token: <Id.Left_DollarParen '$('>
                          command_list: (command.CommandList children:[(C {<mktemp>} {<-u>})])
                        )
                      )
                    }
                  spids: [912]
                )
              ]
            )
          terminator: <Id.Op_Semi _>
        )
        (command.Sentence child:(C {<export>} {<BASHCACHED_PIPE>}) terminator:<Id.Op_Semi _>)
        (C {<mkfifo>} {<-m>} {<600>} {(DQ ($ Id.VSub_DollarName '$BASHCACHED_PIPE'))})
        (C {<trap>} {(SQ <'rm -f "$BASHCACHED_PIPE"'>)} {<EXIT>})
        (command.Sentence
          child: 
            (command.AndOr
              ops: [Id.Op_DAmp]
              children: [
                (command.DParen
                  child: 
                    (arith_expr.Binary
                      op_id: Id.Arith_NEqual
                      left: 
                        (arith_expr.ArithWord
                          w: 
                            {
                              (braced_var_sub
                                token: <Id.VSub_Name check>
                                suffix_op: (suffix_op.Unary op_id:Id.VTest_Hyphen arg_word:{<60>})
                              )
                            }
                        )
                      right: (arith_expr.ArithWord w:{<Id.Lit_Digits 0>})
                    )
                )
                (command.WhileUntil
                  keyword: <Id.KW_While while>
                  cond: [(command.Sentence child:(C {<echo>}) terminator:<Id.Op_Semi _>)]
                  body: 
                    (command.DoGroup
                      children: [
                        (command.Sentence
                          child: 
                            (C {<sleep>} 
                              {
                                (DQ 
                                  (braced_var_sub
                                    token: <Id.VSub_Name check>
                                    suffix_op: (suffix_op.Unary op_id:Id.VTest_Hyphen arg_word:{<60>})
                                  )
                                )
                              }
                            )
                          terminator: <Id.Op_Semi _>
                        )
                      ]
                    )
                  redirects: [
                    (redir.Redir
                      op: <Id.Redir_Great '>'>
                      fd: -1
                      arg_word: {(DQ ($ Id.VSub_DollarName '$BASHCACHED_PIPE'))}
                    )
                  ]
                )
              ]
            )
          terminator: <Id.Op_Amp _>
        )
        (command.Sentence
          child: 
            (command.Pipeline
              children: [
                (command.WhileUntil
                  keyword: <Id.KW_While while>
                  cond: [(command.Sentence child:(C {<true>}) terminator:<Id.Op_Semi _>)]
                  body: 
                    (command.DoGroup
                      children: [
                        (command.Sentence
                          child: (C {<cat>} {(DQ ($ Id.VSub_DollarName '$BASHCACHED_PIPE'))})
                          terminator: <Id.Op_Semi _>
                        )
                      ]
                    )
                )
                (command.WhileUntil
                  keyword: <Id.KW_While while>
                  cond: [
                    (command.Sentence
                      child: (C {<read>} {<-r>} {<line>})
                      terminator: <Id.Op_Semi _>
                    )
                  ]
                  body: 
                    (command.DoGroup
                      children: [
                        (command.Sentence
                          child: 
                            (command.ShAssignment
                              pairs: [
                                (assign_pair
                                  lhs: (sh_lhs_expr.Name name:cmd)
                                  op: assign_op.Equal
                                  rhs: {(SQ )}
                                  spids: [1023]
                                )
                                (assign_pair
                                  lhs: (sh_lhs_expr.Name name:recv)
                                  op: assign_op.Equal
                                  rhs: {(SQ )}
                                  spids: [1027]
                                )
                                (assign_pair
                                  lhs: (sh_lhs_expr.Name name:send)
                                  op: assign_op.Equal
                                  rhs: (word.Empty)
                                  spids: [1031]
                                )
                              ]
                            )
                          terminator: <Id.Op_Semi _>
                        )
                        (command.Sentence
                          child: (C {<eval>} {(DQ ($ Id.VSub_DollarName '$line'))})
                          terminator: <Id.Op_Semi _>
                        )
                        (command.ShAssignment
                          pairs: [
                            (assign_pair
                              lhs: (sh_lhs_expr.Name name:cmd)
                              op: assign_op.Equal
                              rhs: 
                                {
                                  (sh_array_literal
                                    left: <Id.Op_LParen _>
                                    words: [{($ Id.VSub_DollarName '$cmd')}]
                                  )
                                }
                              spids: [1041]
                            )
                            (assign_pair
                              lhs: (sh_lhs_expr.Name name:time)
                              op: assign_op.Equal
                              rhs: 
                                {
                                  (command_sub
                                    left_token: <Id.Left_DollarParen '$('>
                                    command_list: 
                                      (command.CommandList
                                        children: [(C {<printf>} {(SQ <'%(%s)T'>)} {<-1>})]
                                      )
                                  )
                                }
                              spids: [1046]
                            )
                          ]
                        )
                        (command.AndOr
                          ops: [Id.Op_DAmp Id.Op_DAmp]
                          children: [
                            (command.DParen
                              child: 
                                (arith_expr.Binary
                                  op_id: Id.Arith_GreatEqual
                                  left: 
                                    (arith_expr.Binary
                                      op_id: Id.Arith_Minus
                                      left: (arith_expr.VarRef token:<Id.Lit_ArithVarLike time>)
                                      right: (arith_expr.VarRef token:<Id.Lit_ArithVarLike before>)
                                    )
                                  right: 
                                    (arith_expr.ArithWord
                                      w: 
                                        {
                                          (braced_var_sub
                                            token: <Id.VSub_Name check>
                                            suffix_op: 
                                              (suffix_op.Unary
                                                op_id: Id.VTest_Hyphen
                                                arg_word: {<60>}
                                              )
                                          )
                                        }
                                    )
                                )
                            )
                            (command.ForEach
                              iter_name: k
                              iter_words: [
                                {
                                  (DQ 
                                    (braced_var_sub
                                      token: <Id.VSub_Name exptime>
                                      prefix_op: (Id.VSub_Bang)
                                      bracket_op: (bracket_op.WholeArray op_id:Id.Lit_At)
                                    )
                                  )
                                }
                              ]
                              do_arg_iter: F
                              body: 
                                (command.DoGroup
                                  children: [
                                    (command.Sentence
                                      child: 
                                        (command.AndOr
                                          ops: [Id.Op_DAmp]
                                          children: [
                                            (command.Pipeline
                                              children: [
                                                (C {<cache_has>} {($ Id.VSub_DollarName '$k')})
                                              ]
                                              negated: T
                                            )
                                            (C {<cache_delete>} {($ Id.VSub_DollarName '$k')})
                                          ]
                                        )
                                      terminator: <Id.Op_Semi _>
                                    )
                                  ]
                                )
                            )
                            (command.ShAssignment
                              pairs: [
                                (assign_pair
                                  lhs: (sh_lhs_expr.Name name:before)
                                  op: assign_op.Equal
                                  rhs: {($ Id.VSub_DollarName '$time')}
                                  spids: [1116]
                                )
                              ]
                            )
                          ]
                        )
                        (command.AndOr
                          ops: [Id.Op_DAmp]
                          children: [
                            (command.DBracket
                              expr: 
                                (bool_expr.LogicalNot
                                  child: 
                                    (bool_expr.Unary
                                      op_id: Id.BoolUnary_p
                                      child: {($ Id.VSub_DollarName '$recv')}
                                    )
                                )
                            )
                            (command.ControlFlow
                              token: <Id.ControlFlow_Continue continue>
                            )
                          ]
                        )
                        (command.Sentence
                          child: 
                            (command.Case
                              to_match: 
                                {
                                  (braced_var_sub
                                    token: <Id.VSub_Name cmd>
                                    bracket_op: 
                                      (bracket_op.ArrayIndex
                                        expr: (arith_expr.ArithWord w:{<Id.Lit_Digits 0>})
                                      )
                                  )
                                }
                              arms: [
                                (case_arm
                                  pat_list: [{<Id.KW_Set set>}]
                                  action: [
                                    (command.Sentence
                                      child: 
                                        (command.AndOr
                                          ops: [Id.Op_DPipe]
                                          children: [
                                            (C {<read_data>} 
                                              {
                                                (braced_var_sub
                                                  token: <Id.VSub_Name cmd>
                                                  bracket_op: 
                                                    (bracket_op.ArrayIndex
                                                      expr: 
                                                        (arith_expr.ArithWord
                                                          w: {<Id.Lit_Digits 4>}
                                                        )
                                                    )
                                                )
                                              }
                                            )
                                            (command.ControlFlow
                                              token: <Id.ControlFlow_Return return>
                                              arg_word: {<1>}
                                            )
                                          ]
                                        )
                                      terminator: <Id.Op_Semi _>
                                    )
                                    (C {<cache_set>} 
                                      {
                                        (braced_var_sub
                                          token: <Id.VSub_Name cmd>
                                          bracket_op: 
                                            (bracket_op.ArrayIndex
                                              expr: (arith_expr.ArithWord w:{<Id.Lit_Digits 1>})
                                            )
                                        )
                                      } 
                                      {
                                        (braced_var_sub
                                          token: <Id.VSub_Name cmd>
                                          bracket_op: 
                                            (bracket_op.ArrayIndex
                                              expr: (arith_expr.ArithWord w:{<Id.Lit_Digits 2>})
                                            )
                                        )
                                      } 
                                      {
                                        (braced_var_sub
                                          token: <Id.VSub_Name cmd>
                                          bracket_op: 
                                            (bracket_op.ArrayIndex
                                              expr: (arith_expr.ArithWord w:{<Id.Lit_Digits 3>})
                                            )
                                        )
                                      } {(DQ ($ Id.VSub_DollarName '$d'))}
                                    )
                                    (command.AndOr
                                      ops: [Id.Op_DAmp]
                                      children: [
                                        (command.DBracket
                                          expr: 
                                            (bool_expr.Binary
                                              op_id: Id.BoolBinary_GlobNEqual
                                              left: 
                                                {
                                                  (braced_var_sub
                                                    token: <Id.VSub_Name cmd>
                                                    bracket_op: 
                                                      (bracket_op.ArrayIndex
                                                        expr: 
                                                          (arith_expr.ArithWord
                                                            w: {<Id.Lit_Digits 5>}
                                                          )
                                                      )
                                                  )
                                                }
                                              right: {<noreply>}
                                            )
                                        )
                                        (command.Simple
                                          words: [{<echo>} {<-e>} {(DQ <STORED> <Id.Lit_Other '\\'> <r>)}]
                                          redirects: [
                                            (redir.Redir
                                              op: <Id.Redir_Great '>'>
                                              fd: -1
                                              arg_word: {(DQ ($ Id.VSub_DollarName '$recv'))}
                                            )
                                          ]
                                        )
                                      ]
                                    )
                                  ]
                                  spids: [1147 1148 1224 -1]
                                )
                                (case_arm
                                  pat_list: [{<add>}]
                                  action: [
                                    (command.Sentence
                                      child: 
                                        (command.AndOr
                                          ops: [Id.Op_DPipe]
                                          children: [
                                            (C {<read_data>} 
                                              {
                                                (braced_var_sub
                                                  token: <Id.VSub_Name cmd>
                                                  bracket_op: 
                                                    (bracket_op.ArrayIndex
                                                      expr: 
                                                        (arith_expr.ArithWord
                                                          w: {<Id.Lit_Digits 4>}
                                                        )
                                                    )
                                                )
                                              }
                                            )
                                            (command.ControlFlow
                                              token: <Id.ControlFlow_Return return>
                                              arg_word: {<1>}
                                            )
                                          ]
                                        )
                                      terminator: <Id.Op_Semi _>
                                    )
                                    (command.AndOr
                                      ops: [Id.Op_DAmp Id.Op_DAmp Id.Op_DPipe]
                                      children: [
                                        (command.Pipeline
                                          children: [
                                            (C {<cache_has>} 
                                              {
                                                (braced_var_sub
                                                  token: <Id.VSub_Name cmd>
                                                  bracket_op: 
                                                    (bracket_op.ArrayIndex
                                                      expr: 
                                                        (arith_expr.ArithWord
                                                          w: {<Id.Lit_Digits 1>}
                                                        )
                                                    )
                                                )
                                              }
                                            )
                                          ]
                                          negated: T
                                        )
                                        (C {<cache_set>} 
                                          {
                                            (braced_var_sub
                                              token: <Id.VSub_Name cmd>
                                              bracket_op: 
                                                (bracket_op.ArrayIndex
                                                  expr: (arith_expr.ArithWord w:{<Id.Lit_Digits 1>})
                                                )
                                            )
                                          } 
                                          {
                                            (braced_var_sub
                                              token: <Id.VSub_Name cmd>
                                              bracket_op: 
                                                (bracket_op.ArrayIndex
                                                  expr: (arith_expr.ArithWord w:{<Id.Lit_Digits 2>})
                                                )
                                            )
                                          } 
                                          {
                                            (braced_var_sub
                                              token: <Id.VSub_Name cmd>
                                              bracket_op: 
                                                (bracket_op.ArrayIndex
                                                  expr: (arith_expr.ArithWord w:{<Id.Lit_Digits 3>})
                                                )
                                            )
                                          } {(DQ ($ Id.VSub_DollarName '$d'))}
                                        )
                                        (command.ShAssignment
                                          pairs: [
                                            (assign_pair
                                              lhs: (sh_lhs_expr.Name name:result)
                                              op: assign_op.Equal
                                              rhs: {<STORED>}
                                              spids: [1289]
                                            )
                                          ]
                                        )
                                        (command.ShAssignment
                                          pairs: [
                                            (assign_pair
                                              lhs: (sh_lhs_expr.Name name:result)
                                              op: assign_op.Equal
                                              rhs: {<NOT_STORED>}
                                              spids: [1294]
                                            )
                                          ]
                                        )
                                      ]
                                    )
                                    (command.AndOr
                                      ops: [Id.Op_DAmp]
                                      children: [
                                        (command.DBracket
                                          expr: 
                                            (bool_expr.Binary
                                              op_id: Id.BoolBinary_GlobNEqual
                                              left: 
                                                {
                                                  (braced_var_sub
                                                    token: <Id.VSub_Name cmd>
                                                    bracket_op: 
                                                      (bracket_op.ArrayIndex
                                                        expr: 
                                                          (arith_expr.ArithWord
                                                            w: {<Id.Lit_Digits 5>}
                                                          )
                                                      )
                                                  )
                                                }
                                              right: {<noreply>}
                                            )
                                        )
                                        (command.Simple
                                          words: [
                                            {<echo>}
                                            {<-e>}
                                            {
                                              (DQ ($ Id.VSub_DollarName '$result') <Id.Lit_Other '\\'> 
                                                <r>
                                              )
                                            }
                                          ]
                                          redirects: [
                                            (redir.Redir
                                              op: <Id.Redir_Great '>'>
                                              fd: -1
                                              arg_word: {(DQ ($ Id.VSub_DollarName '$recv'))}
                                            )
                                          ]
                                        )
                                      ]
                                    )
                                  ]
                                  spids: [1227 1228 1328 -1]
                                )
                                (case_arm
                                  pat_list: [{<replace>}]
                                  action: [
                                    (command.Sentence
                                      child: 
                                        (command.AndOr
                                          ops: [Id.Op_DPipe]
                                          children: [
                                            (C {<read_data>} 
                                              {
                                                (braced_var_sub
                                                  token: <Id.VSub_Name cmd>
                                                  bracket_op: 
                                                    (bracket_op.ArrayIndex
                                                      expr: 
                                                        (arith_expr.ArithWord
                                                          w: {<Id.Lit_Digits 4>}
                                                        )
                                                    )
                                                )
                                              }
                                            )
                                            (command.ControlFlow
                                              token: <Id.ControlFlow_Return return>
                                              arg_word: {<1>}
                                            )
                                          ]
                                        )
                                      terminator: <Id.Op_Semi _>
                                    )
                                    (command.AndOr
                                      ops: [Id.Op_DAmp Id.Op_DAmp Id.Op_DPipe]
                                      children: [
                                        (C {<cache_has>} 
                                          {
                                            (braced_var_sub
                                              token: <Id.VSub_Name cmd>
                                              bracket_op: 
                                                (bracket_op.ArrayIndex
                                                  expr: (arith_expr.ArithWord w:{<Id.Lit_Digits 1>})
                                                )
                                            )
                                          }
                                        )
                                        (C {<cache_set>} 
                                          {
                                            (braced_var_sub
                                              token: <Id.VSub_Name cmd>
                                              bracket_op: 
                                                (bracket_op.ArrayIndex
                                                  expr: (arith_expr.ArithWord w:{<Id.Lit_Digits 1>})
                                                )
                                            )
                                          } 
                                          {
                                            (braced_var_sub
                                              token: <Id.VSub_Name cmd>
                                              bracket_op: 
                                                (bracket_op.ArrayIndex
                                                  expr: (arith_expr.ArithWord w:{<Id.Lit_Digits 2>})
                                                )
                                            )
                                          } 
                                          {
                                            (braced_var_sub
                                              token: <Id.VSub_Name cmd>
                                              bracket_op: 
                                                (bracket_op.ArrayIndex
                                                  expr: (arith_expr.ArithWord w:{<Id.Lit_Digits 3>})
                                                )
                                            )
                                          } {(DQ ($ Id.VSub_DollarName '$d'))}
                                        )
                                        (command.ShAssignment
                                          pairs: [
                                            (assign_pair
                                              lhs: (sh_lhs_expr.Name name:result)
                                              op: assign_op.Equal
                                              rhs: {<STORED>}
                                              spids: [1391]
                                            )
                                          ]
                                        )
                                        (command.ShAssignment
                                          pairs: [
                                            (assign_pair
                                              lhs: (sh_lhs_expr.Name name:result)
                                              op: assign_op.Equal
                                              rhs: {<NOT_STORED>}
                                              spids: [1396]
                                            )
                                          ]
                                        )
                                      ]
                                    )
                                    (command.AndOr
                                      ops: [Id.Op_DAmp]
                                      children: [
                                        (command.DBracket
                                          expr: 
                                            (bool_expr.Binary
                                              op_id: Id.BoolBinary_GlobNEqual
                                              left: 
                                                {
                                                  (braced_var_sub
                                                    token: <Id.VSub_Name cmd>
                                                    bracket_op: 
                                                      (bracket_op.ArrayIndex
                                                        expr: 
                                                          (arith_expr.ArithWord
                                                            w: {<Id.Lit_Digits 5>}
                                                          )
                                                      )
                                                  )
                                                }
                                              right: {<noreply>}
                                            )
                                        )
                                        (command.Simple
                                          words: [
                                            {<echo>}
                                            {<-e>}
                                            {
                                              (DQ ($ Id.VSub_DollarName '$result') <Id.Lit_Other '\\'> 
                                                <r>
                                              )
                                            }
                                          ]
                                          redirects: [
                                            (redir.Redir
                                              op: <Id.Redir_Great '>'>
                                              fd: -1
                                              arg_word: {(DQ ($ Id.VSub_DollarName '$recv'))}
                                            )
                                          ]
                                        )
                                      ]
                                    )
                                  ]
                                  spids: [1331 1332 1430 -1]
                                )
                                (case_arm
                                  pat_list: [{<append>}]
                                  action: [
                                    (command.Sentence
                                      child: 
                                        (command.AndOr
                                          ops: [Id.Op_DPipe]
                                          children: [
                                            (C {<read_data>} 
                                              {
                                                (braced_var_sub
                                                  token: <Id.VSub_Name cmd>
                                                  bracket_op: 
                                                    (bracket_op.ArrayIndex
                                                      expr: 
                                                        (arith_expr.ArithWord
                                                          w: {<Id.Lit_Digits 4>}
                                                        )
                                                    )
                                                )
                                              }
                                            )
                                            (command.ControlFlow
                                              token: <Id.ControlFlow_Return return>
                                              arg_word: {<1>}
                                            )
                                          ]
                                        )
                                      terminator: <Id.Op_Semi _>
                                    )
                                    (command.AndOr
                                      ops: [Id.Op_DAmp Id.Op_DAmp Id.Op_DPipe]
                                      children: [
                                        (C {<cache_has>} 
                                          {
                                            (braced_var_sub
                                              token: <Id.VSub_Name cmd>
                                              bracket_op: 
                                                (bracket_op.ArrayIndex
                                                  expr: (arith_expr.ArithWord w:{<Id.Lit_Digits 1>})
                                                )
                                            )
                                          }
                                        )
                                        (C {<cache_update>} 
                                          {
                                            (braced_var_sub
                                              token: <Id.VSub_Name cmd>
                                              bracket_op: 
                                                (bracket_op.ArrayIndex
                                                  expr: (arith_expr.ArithWord w:{<Id.Lit_Digits 1>})
                                                )
                                            )
                                          } 
                                          {
                                            (DQ 
                                              (command_sub
                                                left_token: <Id.Left_DollarParen '$('>
                                                command_list: 
                                                  (command.CommandList
                                                    children: [
                                                      (C {<base64_cat>} 
                                                        {
                                                          (DQ 
                                                            (braced_var_sub
                                                              token: <Id.VSub_Name data>
                                                              bracket_op: 
                                                                (bracket_op.ArrayIndex
                                                                  expr: 
                                                                    (arith_expr.ArithWord
                                                                      w: 
                                                                        {
                                                                          (braced_var_sub
                                                                            token: <Id.VSub_Name cmd>
                                                                            bracket_op: 
                                                                              (bracket_op.ArrayIndex
                                                                                expr: 
                                                                                  (arith_expr.ArithWord
                                                                                    w: 
                                                                                      {
                                                                                        <
Id.Lit_Digits 1
                                                                                        >
                                                                                      }
                                                                                  )
                                                                              )
                                                                          )
                                                                        }
                                                                    )
                                                                )
                                                            )
                                                          )
                                                        } {(DQ ($ Id.VSub_DollarName '$d'))}
                                                      )
                                                    ]
                                                  )
                                              )
                                            )
                                          }
                                        )
                                        (command.ShAssignment
                                          pairs: [
                                            (assign_pair
                                              lhs: (sh_lhs_expr.Name name:result)
                                              op: assign_op.Equal
                                              rhs: {<STORED>}
                                              spids: [1500]
                                            )
                                          ]
                                        )
                                        (command.ShAssignment
                                          pairs: [
                                            (assign_pair
                                              lhs: (sh_lhs_expr.Name name:result)
                                              op: assign_op.Equal
                                              rhs: {<NOT_STORED>}
                                              spids: [1505]
                                            )
                                          ]
                                        )
                                      ]
                                    )
                                    (command.AndOr
                                      ops: [Id.Op_DAmp]
                                      children: [
                                        (command.DBracket
                                          expr: 
                                            (bool_expr.Binary
                                              op_id: Id.BoolBinary_GlobNEqual
                                              left: 
                                                {
                                                  (braced_var_sub
                                                    token: <Id.VSub_Name cmd>
                                                    bracket_op: 
                                                      (bracket_op.ArrayIndex
                                                        expr: 
                                                          (arith_expr.ArithWord
                                                            w: {<Id.Lit_Digits 5>}
                                                          )
                                                      )
                                                  )
                                                }
                                              right: {<noreply>}
                                            )
                                        )
                                        (command.Simple
                                          words: [
                                            {<echo>}
                                            {<-e>}
                                            {
                                              (DQ ($ Id.VSub_DollarName '$result') <Id.Lit_Other '\\'> 
                                                <r>
                                              )
                                            }
                                          ]
                                          redirects: [
                                            (redir.Redir
                                              op: <Id.Redir_Great '>'>
                                              fd: -1
                                              arg_word: {(DQ ($ Id.VSub_DollarName '$recv'))}
                                            )
                                          ]
                                        )
                                      ]
                                    )
                                  ]
                                  spids: [1433 1434 1539 -1]
                                )
                                (case_arm
                                  pat_list: [{<prepend>}]
                                  action: [
                                    (command.Sentence
                                      child: 
                                        (command.AndOr
                                          ops: [Id.Op_DPipe]
                                          children: [
                                            (C {<read_data>} 
                                              {
                                                (braced_var_sub
                                                  token: <Id.VSub_Name cmd>
                                                  bracket_op: 
                                                    (bracket_op.ArrayIndex
                                                      expr: 
                                                        (arith_expr.ArithWord
                                                          w: {<Id.Lit_Digits 4>}
                                                        )
                                                    )
                                                )
                                              }
                                            )
                                            (command.ControlFlow
                                              token: <Id.ControlFlow_Return return>
                                              arg_word: {<1>}
                                            )
                                          ]
                                        )
                                      terminator: <Id.Op_Semi _>
                                    )
                                    (command.AndOr
                                      ops: [Id.Op_DAmp Id.Op_DAmp Id.Op_DPipe]
                                      children: [
                                        (C {<cache_has>} 
                                          {
                                            (braced_var_sub
                                              token: <Id.VSub_Name cmd>
                                              bracket_op: 
                                                (bracket_op.ArrayIndex
                                                  expr: (arith_expr.ArithWord w:{<Id.Lit_Digits 1>})
                                                )
                                            )
                                          }
                                        )
                                        (C {<cache_update>} 
                                          {
                                            (braced_var_sub
                                              token: <Id.VSub_Name cmd>
                                              bracket_op: 
                                                (bracket_op.ArrayIndex
                                                  expr: (arith_expr.ArithWord w:{<Id.Lit_Digits 1>})
                                                )
                                            )
                                          } 
                                          {
                                            (DQ 
                                              (command_sub
                                                left_token: <Id.Left_DollarParen '$('>
                                                command_list: 
                                                  (command.CommandList
                                                    children: [
                                                      (C {<base64_cat>} 
                                                        {(DQ ($ Id.VSub_DollarName '$d'))} 
                                                        {
                                                          (DQ 
                                                            (braced_var_sub
                                                              token: <Id.VSub_Name data>
                                                              bracket_op: 
                                                                (bracket_op.ArrayIndex
                                                                  expr: 
                                                                    (arith_expr.ArithWord
                                                                      w: 
                                                                        {
                                                                          (braced_var_sub
                                                                            token: <Id.VSub_Name cmd>
                                                                            bracket_op: 
                                                                              (bracket_op.ArrayIndex
                                                                                expr: 
                                                                                  (arith_expr.ArithWord
                                                                                    w: 
                                                                                      {
                                                                                        <
Id.Lit_Digits 1
                                                                                        >
                                                                                      }
                                                                                  )
                                                                              )
                                                                          )
                                                                        }
                                                                    )
                                                                )
                                                            )
                                                          )
                                                        }
                                                      )
                                                    ]
                                                  )
                                              )
                                            )
                                          }
                                        )
                                        (command.ShAssignment
                                          pairs: [
                                            (assign_pair
                                              lhs: (sh_lhs_expr.Name name:result)
                                              op: assign_op.Equal
                                              rhs: {<STORED>}
                                              spids: [1609]
                                            )
                                          ]
                                        )
                                        (command.ShAssignment
                                          pairs: [
                                            (assign_pair
                                              lhs: (sh_lhs_expr.Name name:result)
                                              op: assign_op.Equal
                                              rhs: {<NOT_STORED>}
                                              spids: [1614]
                                            )
                                          ]
                                        )
                                      ]
                                    )
                                    (command.AndOr
                                      ops: [Id.Op_DAmp]
                                      children: [
                                        (command.DBracket
                                          expr: 
                                            (bool_expr.Binary
                                              op_id: Id.BoolBinary_GlobNEqual
                                              left: 
                                                {
                                                  (braced_var_sub
                                                    token: <Id.VSub_Name cmd>
                                                    bracket_op: 
                                                      (bracket_op.ArrayIndex
                                                        expr: 
                                                          (arith_expr.ArithWord
                                                            w: {<Id.Lit_Digits 5>}
                                                          )
                                                      )
                                                  )
                                                }
                                              right: {<noreply>}
                                            )
                                        )
                                        (command.Simple
                                          words: [
                                            {<echo>}
                                            {<-e>}
                                            {
                                              (DQ ($ Id.VSub_DollarName '$result') <Id.Lit_Other '\\'> 
                                                <r>
                                              )
                                            }
                                          ]
                                          redirects: [
                                            (redir.Redir
                                              op: <Id.Redir_Great '>'>
                                              fd: -1
                                              arg_word: {(DQ ($ Id.VSub_DollarName '$recv'))}
                                            )
                                          ]
                                        )
                                      ]
                                    )
                                  ]
                                  spids: [1542 1543 1648 -1]
                                )
                                (case_arm
                                  pat_list: [{<cas>}]
                                  action: [
                                    (command.Sentence
                                      child: 
                                        (command.AndOr
                                          ops: [Id.Op_DPipe]
                                          children: [
                                            (C {<read_data>} 
                                              {
                                                (braced_var_sub
                                                  token: <Id.VSub_Name cmd>
                                                  bracket_op: 
                                                    (bracket_op.ArrayIndex
                                                      expr: 
                                                        (arith_expr.ArithWord
                                                          w: {<Id.Lit_Digits 4>}
                                                        )
                                                    )
                                                )
                                              }
                                            )
                                            (command.ControlFlow
                                              token: <Id.ControlFlow_Return return>
                                              arg_word: {<1>}
                                            )
                                          ]
                                        )
                                      terminator: <Id.Op_Semi _>
                                    )
                                    (command.If
                                      arms: [
                                        (if_arm
                                          cond: [
                                            (command.Sentence
                                              child: 
                                                (command.Pipeline
                                                  children: [
                                                    (C {<cache_has>} 
                                                      {
                                                        (braced_var_sub
                                                          token: <Id.VSub_Name cmd>
                                                          bracket_op: 
                                                            (bracket_op.ArrayIndex
                                                              expr: 
                                                                (arith_expr.ArithWord
                                                                  w: {<Id.Lit_Digits 1>}
                                                                )
                                                            )
                                                        )
                                                      }
                                                    )
                                                  ]
                                                  negated: T
                                                )
                                              terminator: <Id.Op_Semi _>
                                            )
                                          ]
                                          action: [
                                            (command.ShAssignment
                                              pairs: [
                                                (assign_pair
                                                  lhs: (sh_lhs_expr.Name name:result)
                                                  op: assign_op.Equal
                                                  rhs: {<NOT_FOUND>}
                                                  spids: [1686]
                                                )
                                              ]
                                            )
                                          ]
                                          spids: [1670 1684]
                                        )
                                      ]
                                      else_action: [
                                        (command.Sentence
                                          child: 
                                            (command.AndOr
                                              ops: [Id.Op_DAmp Id.Op_DAmp Id.Op_DPipe]
                                              children: [
                                                (command.DBracket
                                                  expr: 
                                                    (bool_expr.Binary
                                                      op_id: Id.BoolBinary_eq
                                                      left: 
                                                        {
                                                          (braced_var_sub
                                                            token: <Id.VSub_Name casUnique>
                                                            bracket_op: 
                                                              (bracket_op.ArrayIndex
                                                                expr: 
                                                                  (arith_expr.ArithWord
                                                                    w: 
                                                                      {
                                                                        (braced_var_sub
                                                                          token: <Id.VSub_Name cmd>
                                                                          bracket_op: 
                                                                            (bracket_op.ArrayIndex
                                                                              expr: 
                                                                                (arith_expr.ArithWord
                                                                                  w: 
                                                                                    {
                                                                                      <
Id.Lit_Digits 1
                                                                                      >
                                                                                    }
                                                                                )
                                                                            )
                                                                        )
                                                                      }
                                                                  )
                                                              )
                                                          )
                                                        }
                                                      right: 
                                                        {
                                                          (braced_var_sub
                                                            token: <Id.VSub_Name cmd>
                                                            bracket_op: 
                                                              (bracket_op.ArrayIndex
                                                                expr: 
                                                                  (arith_expr.ArithWord
                                                                    w: {<Id.Lit_Digits 5>}
                                                                  )
                                                              )
                                                          )
                                                        }
                                                    )
                                                )
                                                (C {<cache_set>} 
                                                  {
                                                    (braced_var_sub
                                                      token: <Id.VSub_Name cmd>
                                                      bracket_op: 
                                                        (bracket_op.ArrayIndex
                                                          expr: 
                                                            (arith_expr.ArithWord
                                                              w: {<Id.Lit_Digits 1>}
                                                            )
                                                        )
                                                    )
                                                  } 
                                                  {
                                                    (braced_var_sub
                                                      token: <Id.VSub_Name cmd>
                                                      bracket_op: 
                                                        (bracket_op.ArrayIndex
                                                          expr: 
                                                            (arith_expr.ArithWord
                                                              w: {<Id.Lit_Digits 2>}
                                                            )
                                                        )
                                                    )
                                                  } 
                                                  {
                                                    (braced_var_sub
                                                      token: <Id.VSub_Name cmd>
                                                      bracket_op: 
                                                        (bracket_op.ArrayIndex
                                                          expr: 
                                                            (arith_expr.ArithWord
                                                              w: {<Id.Lit_Digits 3>}
                                                            )
                                                        )
                                                    )
                                                  } {(DQ ($ Id.VSub_DollarName '$d'))}
                                                )
                                                (command.ShAssignment
                                                  pairs: [
                                                    (assign_pair
                                                      lhs: (sh_lhs_expr.Name name:result)
                                                      op: assign_op.Equal
                                                      rhs: {<STORED>}
                                                      spids: [1749]
                                                    )
                                                  ]
                                                )
                                                (command.ShAssignment
                                                  pairs: [
                                                    (assign_pair
                                                      lhs: (sh_lhs_expr.Name name:result)
                                                      op: assign_op.Equal
                                                      rhs: {<EXISTS>}
                                                      spids: [1754]
                                                    )
                                                  ]
                                                )
                                              ]
                                            )
                                          terminator: <Id.Op_Semi _>
                                        )
                                      ]
                                    )
                                    (command.AndOr
                                      ops: [Id.Op_DAmp]
                                      children: [
                                        (command.DBracket
                                          expr: 
                                            (bool_expr.Binary
                                              op_id: Id.BoolBinary_GlobNEqual
                                              left: 
                                                {
                                                  (braced_var_sub
                                                    token: <Id.VSub_Name cmd>
                                                    bracket_op: 
                                                      (bracket_op.ArrayIndex
                                                        expr: 
                                                          (arith_expr.ArithWord
                                                            w: {<Id.Lit_Digits 6>}
                                                          )
                                                      )
                                                  )
                                                }
                                              right: {<noreply>}
                                            )
                                        )
                                        (command.Simple
                                          words: [
                                            {<echo>}
                                            {<-e>}
                                            {
                                              (DQ ($ Id.VSub_DollarName '$result') <Id.Lit_Other '\\'> 
                                                <r>
                                              )
                                            }
                                          ]
                                          redirects: [
                                            (redir.Redir
                                              op: <Id.Redir_Great '>'>
                                              fd: -1
                                              arg_word: {(DQ ($ Id.VSub_DollarName '$recv'))}
                                            )
                                          ]
                                        )
                                      ]
                                    )
                                  ]
                                  spids: [1651 1652 1791 -1]
                                )
                                (case_arm
                                  pat_list: [{<get>}]
                                  action: [
                                    (command.Subshell
                                      command_list: 
                                        (command.CommandList
                                          children: [
                                            (command.ForExpr
                                              init: 
                                                (arith_expr.BinaryAssign
                                                  op_id: Id.Arith_Equal
                                                  left: (sh_lhs_expr.Name name:i)
                                                  right: (arith_expr.ArithWord w:{<Id.Lit_Digits 1>})
                                                )
                                              cond: 
                                                (arith_expr.Binary
                                                  op_id: Id.Arith_Less
                                                  left: 
                                                    (arith_expr.VarRef
                                                      token: <Id.Lit_ArithVarLike i>
                                                    )
                                                  right: 
                                                    (arith_expr.ArithWord
                                                      w: 
                                                        {
                                                          (braced_var_sub
                                                            token: <Id.VSub_Name cmd>
                                                            prefix_op: (Id.VSub_Pound)
                                                            bracket_op: 
                                                              (bracket_op.WholeArray
                                                                op_id: Id.Lit_At
                                                              )
                                                          )
                                                        }
                                                    )
                                                )
                                              update: 
                                                (arith_expr.UnaryAssign
                                                  op_id: Id.Node_PostDPlus
                                                  child: (sh_lhs_expr.Name name:i)
                                                )
                                              body: 
                                                (command.DoGroup
                                                  children: [
                                                    (command.Sentence
                                                      child: 
                                                        (C {<cache_get>} 
                                                          {
                                                            (braced_var_sub
                                                              token: <Id.VSub_Name cmd>
                                                              bracket_op: 
                                                                (bracket_op.ArrayIndex
                                                                  expr: 
                                                                    (arith_expr.ArithWord
                                                                      w: {($ Id.VSub_DollarName '$i')}
                                                                    )
                                                                )
                                                            )
                                                          }
                                                        )
                                                      terminator: <Id.Op_Semi _>
                                                    )
                                                  ]
                                                )
                                            )
                                            (C {<echo>} {<-e>} {(SQ <'END\\r'>)})
                                          ]
                                        )
                                      redirects: [
                                        (redir.Redir
                                          op: <Id.Redir_Great '>'>
                                          fd: -1
                                          arg_word: {(DQ ($ Id.VSub_DollarName '$recv'))}
                                        )
                                      ]
                                    )
                                  ]
                                  spids: [1794 1795 1852 -1]
                                )
                                (case_arm
                                  pat_list: [{<gets>}]
                                  action: [
                                    (command.Subshell
                                      command_list: 
                                        (command.CommandList
                                          children: [
                                            (command.ForExpr
                                              init: 
                                                (arith_expr.BinaryAssign
                                                  op_id: Id.Arith_Equal
                                                  left: (sh_lhs_expr.Name name:i)
                                                  right: (arith_expr.ArithWord w:{<Id.Lit_Digits 1>})
                                                )
                                              cond: 
                                                (arith_expr.Binary
                                                  op_id: Id.Arith_Less
                                                  left: 
                                                    (arith_expr.VarRef
                                                      token: <Id.Lit_ArithVarLike i>
                                                    )
                                                  right: 
                                                    (arith_expr.ArithWord
                                                      w: 
                                                        {
                                                          (braced_var_sub
                                                            token: <Id.VSub_Name cmd>
                                                            prefix_op: (Id.VSub_Pound)
                                                            bracket_op: 
                                                              (bracket_op.WholeArray
                                                                op_id: Id.Lit_At
                                                              )
                                                          )
                                                        }
                                                    )
                                                )
                                              update: 
                                                (arith_expr.UnaryAssign
                                                  op_id: Id.Node_PostDPlus
                                                  child: (sh_lhs_expr.Name name:i)
                                                )
                                              body: 
                                                (command.DoGroup
                                                  children: [
                                                    (command.Sentence
                                                      child: 
                                                        (C {<cache_get>} 
                                                          {
                                                            (braced_var_sub
                                                              token: <Id.VSub_Name cmd>
                                                              bracket_op: 
                                                                (bracket_op.ArrayIndex
                                                                  expr: 
                                                                    (arith_expr.ArithWord
                                                                      w: {($ Id.VSub_DollarName '$i')}
                                                                    )
                                                                )
                                                            )
                                                          } {<1>}
                                                        )
                                                      terminator: <Id.Op_Semi _>
                                                    )
                                                  ]
                                                )
                                            )
                                            (C {<echo>} {<-e>} {(SQ <'END\\r'>)})
                                          ]
                                        )
                                      redirects: [
                                        (redir.Redir
                                          op: <Id.Redir_Great '>'>
                                          fd: -1
                                          arg_word: {(DQ ($ Id.VSub_DollarName '$recv'))}
                                        )
                                      ]
                                    )
                                  ]
                                  spids: [1855 1856 1915 -1]
                                )
                                (case_arm
                                  pat_list: [{<delete>}]
                                  action: [
                                    (command.AndOr
                                      ops: [Id.Op_DAmp Id.Op_DAmp Id.Op_DPipe]
                                      children: [
                                        (C {<cache_has>} 
                                          {
                                            (braced_var_sub
                                              token: <Id.VSub_Name cmd>
                                              bracket_op: 
                                                (bracket_op.ArrayIndex
                                                  expr: (arith_expr.ArithWord w:{<Id.Lit_Digits 1>})
                                                )
                                            )
                                          }
                                        )
                                        (C {<cache_delete>} 
                                          {
                                            (braced_var_sub
                                              token: <Id.VSub_Name cmd>
                                              bracket_op: 
                                                (bracket_op.ArrayIndex
                                                  expr: (arith_expr.ArithWord w:{<Id.Lit_Digits 1>})
                                                )
                                            )
                                          }
                                        )
                                        (command.ShAssignment
                                          pairs: [
                                            (assign_pair
                                              lhs: (sh_lhs_expr.Name name:result)
                                              op: assign_op.Equal
                                              rhs: {<DELETED>}
                                              spids: [1944]
                                            )
                                          ]
                                        )
                                        (command.ShAssignment
                                          pairs: [
                                            (assign_pair
                                              lhs: (sh_lhs_expr.Name name:result)
                                              op: assign_op.Equal
                                              rhs: {<NOT_FOUND>}
                                              spids: [1949]
                                            )
                                          ]
                                        )
                                      ]
                                    )
                                    (command.AndOr
                                      ops: [Id.Op_DAmp]
                                      children: [
                                        (command.DBracket
                                          expr: 
                                            (bool_expr.Binary
                                              op_id: Id.BoolBinary_GlobNEqual
                                              left: 
                                                {
                                                  (braced_var_sub
                                                    token: <Id.VSub_Name cmd>
                                                    bracket_op: 
                                                      (bracket_op.ArrayIndex
                                                        expr: 
                                                          (arith_expr.ArithWord
                                                            w: {<Id.Lit_Digits 2>}
                                                          )
                                                      )
                                                  )
                                                }
                                              right: {<noreply>}
                                            )
                                        )
                                        (command.Simple
                                          words: [
                                            {<echo>}
                                            {<-e>}
                                            {
                                              (DQ ($ Id.VSub_DollarName '$result') <Id.Lit_Other '\\'> 
                                                <r>
                                              )
                                            }
                                          ]
                                          redirects: [
                                            (redir.Redir
                                              op: <Id.Redir_Great '>'>
                                              fd: -1
                                              arg_word: {(DQ ($ Id.VSub_DollarName '$recv'))}
                                            )
                                          ]
                                        )
                                      ]
                                    )
                                  ]
                                  spids: [1918 1919 1983 -1]
                                )
                                (case_arm
                                  pat_list: [{<incr>}]
                                  action: [
                                    (command.AndOr
                                      ops: [Id.Op_DAmp Id.Op_DAmp Id.Op_DPipe]
                                      children: [
                                        (C {<cache_has>} 
                                          {
                                            (braced_var_sub
                                              token: <Id.VSub_Name cmd>
                                              bracket_op: 
                                                (bracket_op.ArrayIndex
                                                  expr: (arith_expr.ArithWord w:{<Id.Lit_Digits 1>})
                                                )
                                            )
                                          }
                                        )
                                        (command.ShAssignment
                                          pairs: [
                                            (assign_pair
                                              lhs: (sh_lhs_expr.Name name:result)
                                              op: assign_op.Equal
                                              rhs: 
                                                {
                                                  (word_part.ArithSub
                                                    anode: 
                                                      (arith_expr.Binary
                                                        op_id: Id.Arith_Plus
                                                        left: 
                                                          (arith_expr.ArithWord
                                                            w: 
                                                              {
                                                                (command_sub
                                                                  left_token: 
                                                                    <Id.Left_DollarParen '$('>
                                                                  command_list: 
                                                                    (command.CommandList
                                                                      children: [
                                                                        (command.Pipeline
                                                                          children: [
                                                                            (C {<echo>} {<-n>} 
                                                                              {
                                                                                (DQ 
                                                                                  (braced_var_sub
                                                                                    token: 
                                                                                      <Id.VSub_Name 
data
                                                                                      >
                                                                                    bracket_op: 
                                                                                      (bracket_op.ArrayIndex
                                                                                        expr: 
                                                                                          (arith_expr.ArithWord
                                                                                            w: 
                                                                                              {
                                                                                                (braced_var_sub
                                                                                                  token: 
                                                                                                    <
Id.VSub_Name cmd
                                                                                                    >
                                                                                                  bracket_op: 
                                                                                                    (bracket_op.ArrayIndex
                                                                                                      expr: 
                                                                                                        (arith_expr.ArithWord
                                                                                                          w: 
                                                                                                            {
                                                                                                              <
Id.Lit_Digits 1
                                                                                                              >
                                                                                                            }
                                                                                                        )
                                                                                                    )
                                                                                                )
                                                                                              }
                                                                                          )
                                                                                      )
                                                                                  )
                                                                                )
                                                                              }
                                                                            )
                                                                            (C {<base64>} {<-d>})
                                                                          ]
                                                                          negated: F
                                                                        )
                                                                      ]
                                                                    )
                                                                )
                                                              }
                                                          )
                                                        right: 
                                                          (arith_expr.ArithWord
                                                            w: 
                                                              {
                                                                (braced_var_sub
                                                                  token: <Id.VSub_Name cmd>
                                                                  bracket_op: 
                                                                    (bracket_op.ArrayIndex
                                                                      expr: 
                                                                        (arith_expr.ArithWord
                                                                          w: {<Id.Lit_Digits 2>}
                                                                        )
                                                                    )
                                                                  suffix_op: 
                                                                    (suffix_op.Unary
                                                                      op_id: Id.VTest_Hyphen
                                                                      arg_word: {<0>}
                                                                    )
                                                                )
                                                              }
                                                          )
                                                      )
                                                  )
                                                }
                                              spids: [2000]
                                            )
                                          ]
                                        )
                                        (C {<cache_update>} 
                                          {
                                            (braced_var_sub
                                              token: <Id.VSub_Name cmd>
                                              bracket_op: 
                                                (bracket_op.ArrayIndex
                                                  expr: (arith_expr.ArithWord w:{<Id.Lit_Digits 1>})
                                                )
                                            )
                                          } 
                                          {
                                            (DQ 
                                              (command_sub
                                                left_token: <Id.Left_DollarParen '$('>
                                                command_list: 
                                                  (command.CommandList
                                                    children: [
                                                      (command.Pipeline
                                                        children: [
                                                          (C {<echo>} {<-n>} 
                                                            {($ Id.VSub_DollarName '$result')}
                                                          )
                                                          (C {<base64>})
                                                        ]
                                                        negated: F
                                                      )
                                                    ]
                                                  )
                                              )
                                            )
                                          }
                                        )
                                        (command.ShAssignment
                                          pairs: [
                                            (assign_pair
                                              lhs: (sh_lhs_expr.Name name:result)
                                              op: assign_op.Equal
                                              rhs: {<NOT_FOUND>}
                                              spids: [2069]
                                            )
                                          ]
                                        )
                                      ]
                                    )
                                    (command.AndOr
                                      ops: [Id.Op_DAmp]
                                      children: [
                                        (command.DBracket
                                          expr: 
                                            (bool_expr.Binary
                                              op_id: Id.BoolBinary_GlobNEqual
                                              left: 
                                                {
                                                  (braced_var_sub
                                                    token: <Id.VSub_Name cmd>
                                                    bracket_op: 
                                                      (bracket_op.ArrayIndex
                                                        expr: 
                                                          (arith_expr.ArithWord
                                                            w: {<Id.Lit_Digits 3>}
                                                          )
                                                      )
                                                  )
                                                }
                                              right: {<noreply>}
                                            )
                                        )
                                        (command.Simple
                                          words: [
                                            {<echo>}
                                            {<-e>}
                                            {
                                              (DQ ($ Id.VSub_DollarName '$result') <Id.Lit_Other '\\'> 
                                                <r>
                                              )
                                            }
                                          ]
                                          redirects: [
                                            (redir.Redir
                                              op: <Id.Redir_Great '>'>
                                              fd: -1
                                              arg_word: {(DQ ($ Id.VSub_DollarName '$recv'))}
                                            )
                                          ]
                                        )
                                      ]
                                    )
                                  ]
                                  spids: [1986 1987 2103 -1]
                                )
                                (case_arm
                                  pat_list: [{<decr>}]
                                  action: [
                                    (command.AndOr
                                      ops: [Id.Op_DAmp Id.Op_DAmp Id.Op_DPipe]
                                      children: [
                                        (C {<cache_has>} 
                                          {
                                            (braced_var_sub
                                              token: <Id.VSub_Name cmd>
                                              bracket_op: 
                                                (bracket_op.ArrayIndex
                                                  expr: (arith_expr.ArithWord w:{<Id.Lit_Digits 1>})
                                                )
                                            )
                                          }
                                        )
                                        (command.ShAssignment
                                          pairs: [
                                            (assign_pair
                                              lhs: (sh_lhs_expr.Name name:result)
                                              op: assign_op.Equal
                                              rhs: 
                                                {
                                                  (word_part.ArithSub
                                                    anode: 
                                                      (arith_expr.Binary
                                                        op_id: Id.Arith_Minus
                                                        left: 
                                                          (arith_expr.ArithWord
                                                            w: 
                                                              {
                                                                (command_sub
                                                                  left_token: 
                                                                    <Id.Left_DollarParen '$('>
                                                                  command_list: 
                                                                    (command.CommandList
                                                                      children: [
                                                                        (command.Pipeline
                                                                          children: [
                                                                            (C {<echo>} {<-n>} 
                                                                              {
                                                                                (DQ 
                                                                                  (braced_var_sub
                                                                                    token: 
                                                                                      <Id.VSub_Name 
data
                                                                                      >
                                                                                    bracket_op: 
                                                                                      (bracket_op.ArrayIndex
                                                                                        expr: 
                                                                                          (arith_expr.ArithWord
                                                                                            w: 
                                                                                              {
                                                                                                (braced_var_sub
                                                                                                  token: 
                                                                                                    <
Id.VSub_Name cmd
                                                                                                    >
                                                                                                  bracket_op: 
                                                                                                    (bracket_op.ArrayIndex
                                                                                                      expr: 
                                                                                                        (arith_expr.ArithWord
                                                                                                          w: 
                                                                                                            {
                                                                                                              <
Id.Lit_Digits 1
                                                                                                              >
                                                                                                            }
                                                                                                        )
                                                                                                    )
                                                                                                )
                                                                                              }
                                                                                          )
                                                                                      )
                                                                                  )
                                                                                )
                                                                              }
                                                                            )
                                                                            (C {<base64>} {<-d>})
                                                                          ]
                                                                          negated: F
                                                                        )
                                                                      ]
                                                                    )
                                                                )
                                                              }
                                                          )
                                                        right: 
                                                          (arith_expr.ArithWord
                                                            w: 
                                                              {
                                                                (braced_var_sub
                                                                  token: <Id.VSub_Name cmd>
                                                                  bracket_op: 
                                                                    (bracket_op.ArrayIndex
                                                                      expr: 
                                                                        (arith_expr.ArithWord
                                                                          w: {<Id.Lit_Digits 2>}
                                                                        )
                                                                    )
                                                                  suffix_op: 
                                                                    (suffix_op.Unary
                                                                      op_id: Id.VTest_Hyphen
                                                                      arg_word: {<0>}
                                                                    )
                                                                )
                                                              }
                                                          )
                                                      )
                                                  )
                                                }
                                              spids: [2120]
                                            )
                                          ]
                                        )
                                        (C {<cache_update>} 
                                          {
                                            (braced_var_sub
                                              token: <Id.VSub_Name cmd>
                                              bracket_op: 
                                                (bracket_op.ArrayIndex
                                                  expr: (arith_expr.ArithWord w:{<Id.Lit_Digits 1>})
                                                )
                                            )
                                          } 
                                          {
                                            (DQ 
                                              (command_sub
                                                left_token: <Id.Left_DollarParen '$('>
                                                command_list: 
                                                  (command.CommandList
                                                    children: [
                                                      (command.Pipeline
                                                        children: [
                                                          (C {<echo>} {<-n>} 
                                                            {($ Id.VSub_DollarName '$result')}
                                                          )
                                                          (C {<base64>})
                                                        ]
                                                        negated: F
                                                      )
                                                    ]
                                                  )
                                              )
                                            )
                                          }
                                        )
                                        (command.ShAssignment
                                          pairs: [
                                            (assign_pair
                                              lhs: (sh_lhs_expr.Name name:result)
                                              op: assign_op.Equal
                                              rhs: {<NOT_FOUND>}
                                              spids: [2189]
                                            )
                                          ]
                                        )
                                      ]
                                    )
                                    (command.AndOr
                                      ops: [Id.Op_DAmp]
                                      children: [
                                        (command.DBracket
                                          expr: 
                                            (bool_expr.Binary
                                              op_id: Id.BoolBinary_GlobNEqual
                                              left: 
                                                {
                                                  (braced_var_sub
                                                    token: <Id.VSub_Name cmd>
                                                    bracket_op: 
                                                      (bracket_op.ArrayIndex
                                                        expr: 
                                                          (arith_expr.ArithWord
                                                            w: {<Id.Lit_Digits 3>}
                                                          )
                                                      )
                                                  )
                                                }
                                              right: {<noreply>}
                                            )
                                        )
                                        (command.Simple
                                          words: [
                                            {<echo>}
                                            {<-e>}
                                            {
                                              (DQ ($ Id.VSub_DollarName '$result') <Id.Lit_Other '\\'> 
                                                <r>
                                              )
                                            }
                                          ]
                                          redirects: [
                                            (redir.Redir
                                              op: <Id.Redir_Great '>'>
                                              fd: -1
                                              arg_word: {(DQ ($ Id.VSub_DollarName '$recv'))}
                                            )
                                          ]
                                        )
                                      ]
                                    )
                                  ]
                                  spids: [2106 2107 2223 -1]
                                )
                                (case_arm
                                  pat_list: [{<touch>}]
                                  action: [
                                    (command.AndOr
                                      ops: [Id.Op_DAmp Id.Op_DAmp Id.Op_DPipe]
                                      children: [
                                        (C {<cache_has>} 
                                          {
                                            (braced_var_sub
                                              token: <Id.VSub_Name cmd>
                                              bracket_op: 
                                                (bracket_op.ArrayIndex
                                                  expr: (arith_expr.ArithWord w:{<Id.Lit_Digits 1>})
                                                )
                                            )
                                          }
                                        )
                                        (C {<cache_set>} 
                                          {
                                            (braced_var_sub
                                              token: <Id.VSub_Name cmd>
                                              bracket_op: 
                                                (bracket_op.ArrayIndex
                                                  expr: (arith_expr.ArithWord w:{<Id.Lit_Digits 1>})
                                                )
                                            )
                                          } 
                                          {
                                            (DQ 
                                              (braced_var_sub
                                                token: <Id.VSub_Name flags>
                                                bracket_op: 
                                                  (bracket_op.ArrayIndex
                                                    expr: 
                                                      (arith_expr.ArithWord
                                                        w: 
                                                          {
                                                            (braced_var_sub
                                                              token: <Id.VSub_Name cmd>
                                                              bracket_op: 
                                                                (bracket_op.ArrayIndex
                                                                  expr: 
                                                                    (arith_expr.ArithWord
                                                                      w: {<Id.Lit_Digits 1>}
                                                                    )
                                                                )
                                                            )
                                                          }
                                                      )
                                                  )
                                              )
                                            )
                                          } 
                                          {
                                            (braced_var_sub
                                              token: <Id.VSub_Name cmd>
                                              bracket_op: 
                                                (bracket_op.ArrayIndex
                                                  expr: (arith_expr.ArithWord w:{<Id.Lit_Digits 2>})
                                                )
                                            )
                                          } 
                                          {
                                            (DQ 
                                              (braced_var_sub
                                                token: <Id.VSub_Name data>
                                                bracket_op: 
                                                  (bracket_op.ArrayIndex
                                                    expr: 
                                                      (arith_expr.ArithWord
                                                        w: 
                                                          {
                                                            (braced_var_sub
                                                              token: <Id.VSub_Name cmd>
                                                              bracket_op: 
                                                                (bracket_op.ArrayIndex
                                                                  expr: 
                                                                    (arith_expr.ArithWord
                                                                      w: {<Id.Lit_Digits 1>}
                                                                    )
                                                                )
                                                            )
                                                          }
                                                      )
                                                  )
                                              )
                                            )
                                          } 
                                          {
                                            (braced_var_sub
                                              token: <Id.VSub_Name casUnique>
                                              bracket_op: 
                                                (bracket_op.ArrayIndex
                                                  expr: 
                                                    (arith_expr.ArithWord
                                                      w: 
                                                        {
                                                          (braced_var_sub
                                                            token: <Id.VSub_Name cmd>
                                                            bracket_op: 
                                                              (bracket_op.ArrayIndex
                                                                expr: 
                                                                  (arith_expr.ArithWord
                                                                    w: {<Id.Lit_Digits 1>}
                                                                  )
                                                              )
                                                          )
                                                        }
                                                    )
                                                )
                                            )
                                          }
                                        )
                                        (command.ShAssignment
                                          pairs: [
                                            (assign_pair
                                              lhs: (sh_lhs_expr.Name name:result)
                                              op: assign_op.Equal
                                              rhs: {<TOUCHED>}
                                              spids: [2300]
                                            )
                                          ]
                                        )
                                        (command.ShAssignment
                                          pairs: [
                                            (assign_pair
                                              lhs: (sh_lhs_expr.Name name:result)
                                              op: assign_op.Equal
                                              rhs: {<NOT_FOUND>}
                                              spids: [2305]
                                            )
                                          ]
                                        )
                                      ]
                                    )
                                    (command.AndOr
                                      ops: [Id.Op_DAmp]
                                      children: [
                                        (command.DBracket
                                          expr: 
                                            (bool_expr.Binary
                                              op_id: Id.BoolBinary_GlobNEqual
                                              left: 
                                                {
                                                  (braced_var_sub
                                                    token: <Id.VSub_Name cmd>
                                                    bracket_op: 
                                                      (bracket_op.ArrayIndex
                                                        expr: 
                                                          (arith_expr.ArithWord
                                                            w: {<Id.Lit_Digits 3>}
                                                          )
                                                      )
                                                  )
                                                }
                                              right: {<noreply>}
                                            )
                                        )
                                        (command.Simple
                                          words: [
                                            {<echo>}
                                            {<-e>}
                                            {
                                              (DQ ($ Id.VSub_DollarName '$result') <Id.Lit_Other '\\'> 
                                                <r>
                                              )
                                            }
                                          ]
                                          redirects: [
                                            (redir.Redir
                                              op: <Id.Redir_Great '>'>
                                              fd: -1
                                              arg_word: {(DQ ($ Id.VSub_DollarName '$recv'))}
                                            )
                                          ]
                                        )
                                      ]
                                    )
                                  ]
                                  spids: [2226 2227 2339 -1]
                                )
                                (case_arm
                                  pat_list: [{<flush_all>}]
                                  action: [
                                    (command.ForEach
                                      iter_name: k
                                      iter_words: [
                                        {
                                          (DQ 
                                            (braced_var_sub
                                              token: <Id.VSub_Name exptime>
                                              prefix_op: (Id.VSub_Bang)
                                              bracket_op: (bracket_op.WholeArray op_id:Id.Lit_At)
                                            )
                                          )
                                        }
                                      ]
                                      do_arg_iter: F
                                      body: 
                                        (command.DoGroup
                                          children: [
                                            (command.Sentence
                                              child: 
                                                (command.ShAssignment
                                                  pairs: [
                                                    (assign_pair
                                                      lhs: 
                                                        (sh_lhs_expr.IndexedName
                                                          name: exptime
                                                          index: 
                                                            (arith_expr.ArithWord
                                                              w: {($ Id.VSub_DollarName '$k')}
                                                            )
                                                        )
                                                      op: assign_op.Equal
                                                      rhs: 
                                                        {
                                                          (word_part.ArithSub
                                                            anode: 
                                                              (arith_expr.Binary
                                                                op_id: Id.Arith_Plus
                                                                left: 
                                                                  (arith_expr.VarRef
                                                                    token: <Id.Lit_ArithVarLike time>
                                                                  )
                                                                right: 
                                                                  (arith_expr.ArithWord
                                                                    w: 
                                                                      {
                                                                        (braced_var_sub
                                                                          token: <Id.VSub_Name cmd>
                                                                          bracket_op: 
                                                                            (bracket_op.ArrayIndex
                                                                              expr: 
                                                                                (arith_expr.ArithWord
                                                                                  w: 
                                                                                    {
                                                                                      <
Id.Lit_Digits 1
                                                                                      >
                                                                                    }
                                                                                )
                                                                            )
                                                                          suffix_op: 
                                                                            (suffix_op.Unary
                                                                              op_id: Id.VTest_Hyphen
                                                                              arg_word: {<0>}
                                                                            )
                                                                        )
                                                                      }
                                                                  )
                                                              )
                                                          )
                                                        }
                                                      spids: [2364]
                                                    )
                                                  ]
                                                )
                                              terminator: <Id.Op_Semi _>
                                            )
                                          ]
                                        )
                                    )
                                    (command.AndOr
                                      ops: [Id.Op_DAmp]
                                      children: [
                                        (command.DBracket
                                          expr: 
                                            (bool_expr.Binary
                                              op_id: Id.BoolBinary_GlobNEqual
                                              left: 
                                                {
                                                  (braced_var_sub
                                                    token: <Id.VSub_Name cmd>
                                                    bracket_op: 
                                                      (bracket_op.ArrayIndex
                                                        expr: 
                                                          (arith_expr.Unary
                                                            op_id: Id.Node_UnaryMinus
                                                            child: 
                                                              (arith_expr.ArithWord
                                                                w: {<Id.Lit_Digits 1>}
                                                              )
                                                          )
                                                      )
                                                  )
                                                }
                                              right: {<noreply>}
                                            )
                                        )
                                        (command.Simple
                                          words: [{<echo>} {<-e>} {(DQ <OK> <Id.Lit_Other '\\'> <r>)}]
                                          redirects: [
                                            (redir.Redir
                                              op: <Id.Redir_Great '>'>
                                              fd: -1
                                              arg_word: {(DQ ($ Id.VSub_DollarName '$recv'))}
                                            )
                                          ]
                                        )
                                      ]
                                    )
                                  ]
                                  spids: [2342 2343 2420 -1]
                                )
                                (case_arm
                                  pat_list: [{<version>}]
                                  action: [
                                    (command.Sentence
                                      child: 
                                        (command.Simple
                                          words: [
                                            {<echo>}
                                            {<-e>}
                                            {
                                              (DQ <'VERSION '> ($ Id.VSub_DollarName '$VERSION') 
                                                <Id.Lit_Other '\\'> <r>
                                              )
                                            }
                                          ]
                                          redirects: [
                                            (redir.Redir
                                              op: <Id.Redir_Great '>'>
                                              fd: -1
                                              arg_word: {(DQ ($ Id.VSub_DollarName '$recv'))}
                                            )
                                          ]
                                        )
                                      terminator: <Id.Op_Amp _>
                                    )
                                  ]
                                  spids: [2423 2424 2442 -1]
                                )
                              ]
                            )
                          terminator: <Id.Op_Semi _>
                        )
                      ]
                    )
                )
              ]
              negated: F
            )
          terminator: <Id.Op_Amp _>
        )
        (C {<socat>} 
          {
            (DQ 
              (braced_var_sub
                token: <Id.VSub_Name protocol>
                suffix_op: (suffix_op.Unary op_id:Id.VTest_Hyphen arg_word:{<tcp>})
              ) <'-listen:'> 
              (braced_var_sub
                token: <Id.VSub_Name port>
                suffix_op: (suffix_op.Unary op_id:Id.VTest_Hyphen arg_word:{<25252>})
              ) <',reuseaddr,fork'>
            )
          } {<system> <Id.Lit_Other ':'> (DQ ($ Id.VSub_Number '$0'))}
        )
      ]
    )
  ]
)