(command.CommandList
  children: [
    (command.ShFunction
      name: usage
      body: 
        (command.BraceGroup
          children: [
            (command.Simple
              words: [
                {(echo)}
                {(DQ ('usage: ') ($ Id.VSub_Number '$0') (' <directory of files to execute>'))}
              ]
              redirects: [
                (redir.Redir
                  op: (Token id:Id.Redir_GreatAnd val:'1>&' span_id:44)
                  fd: 1
                  arg_word: {(2)}
                )
              ]
            )
            (command.Simple
              words: [
                {(echo)}
                {
                  (DQ ('or     ') ($ Id.VSub_Number '$0') (' { daily | weekly | monthly | security }'))
                }
              ]
              redirects: [
                (redir.Redir
                  op: (Token id:Id.Redir_GreatAnd val:'1>&' span_id:56)
                  fd: 1
                  arg_word: {(2)}
                )
              ]
            )
            (command.ControlFlow
              token: (Token id:Id.ControlFlow_Exit val:exit span_id:60)
              arg_word: {(1)}
            )
          ]
        )
    )
    (command.ShFunction
      name: output_pipe
      body: 
        (command.BraceGroup
          children: [
            (C {(eval)} 
              {(Id.Lit_VarLike 'output=') 
                (word_part.EscapedLiteral
                  token: (Token id:Id.Lit_EscapedChar val:'\\$' span_id:81)
                ) 
                (braced_var_sub
                  token: (Token id:Id.VSub_Number val:1 span_id:83)
                  suffix_op: (suffix_op.Unary op_id:Id.VOp1_DPound arg_word:{('*') (Id.Lit_Slash /)})
                ) (_output)
              }
            )
            (command.Case
              to_match: {(DQ ($ Id.VSub_DollarName '$output'))}
              arms: [
                (case_arm
                  pat_list: [{(/) (Id.Lit_Star '*')}]
                  action: [
                    (command.ShAssignment
                      pairs: [
                        (assign_pair
                          lhs: (sh_lhs_expr.Name name:pipe)
                          op: assign_op.Equal
                          rhs: {(DQ ('cat >>') ($ Id.VSub_DollarName '$output'))}
                          spids: [104]
                        )
                      ]
                    )
                  ]
                  spids: [100 102 109 -1]
                )
                (case_arm
                  pat_list: [{(DQ )}]
                  action: [
                    (command.ShAssignment
                      pairs: [
                        (assign_pair
                          lhs: (sh_lhs_expr.Name name:pipe)
                          op: assign_op.Equal
                          rhs: {(cat)}
                          spids: [116]
                        )
                      ]
                    )
                  ]
                  spids: [112 114 118 -1]
                )
                (case_arm
                  pat_list: [{(Id.Lit_Star '*')}]
                  action: [
                    (command.ShAssignment
                      pairs: [
                        (assign_pair
                          lhs: (sh_lhs_expr.Name name:pipe)
                          op: assign_op.Equal
                          rhs: 
                            {
                              (DQ ("mail -E -s '") ($ Id.VSub_DollarName '$host') (' ') 
                                (${ Id.VSub_Number 2) 
                                (braced_var_sub
                                  token: (Token id:Id.VSub_Number val:2 span_id:133)
                                  suffix_op: 
                                    (suffix_op.Unary
                                      op_id: Id.VTest_ColonPlus
                                      arg_word: {(' ')}
                                    )
                                ) 
                                (braced_var_sub
                                  token: (Token id:Id.VSub_Number val:1 span_id:138)
                                  suffix_op: 
                                    (suffix_op.Unary
                                      op_id: Id.VOp1_DPound
                                      arg_word: {('*') (Id.Lit_Slash /)}
                                    )
                                ) (" run output' ") ($ Id.VSub_DollarName '$output')
                              )
                            }
                          spids: [124]
                        )
                      ]
                    )
                  ]
                  spids: [121 122 146 -1]
                )
              ]
            )
            (C {(eval)} {($ Id.VSub_DollarName '$pipe')})
          ]
        )
    )
    (command.If
      arms: [
        (if_arm
          cond: [
            (command.Sentence
              child: 
                (C {(Id.Lit_LBracket '[')} {($ Id.VSub_Pound '$#')} {(-lt)} {(1)} {(Id.Lit_RBracket ']')})
              terminator: (Token id:Id.Op_Semi val:';' span_id:171)
            )
          ]
          action: [(C {(usage)})]
          spids: [159 173]
        )
      ]
    )
    (command.If
      arms: [
        (if_arm
          cond: [
            (command.Sentence
              child: 
                (C {(Id.Lit_LBracket '[')} {(-r)} {(/etc/defaults/periodic.conf)} {(Id.Lit_RBracket ']')})
              terminator: (Token id:Id.Op_Semi val:';' span_id:196)
            )
          ]
          action: [(C {(.)} {(/etc/defaults/periodic.conf)}) (C {(source_periodic_confs)})]
          spids: [187 198]
        )
      ]
    )
    (command.ShAssignment
      pairs: [
        (assign_pair
          lhs: (sh_lhs_expr.Name name:host)
          op: assign_op.Equal
          rhs: 
            {
              (command_sub
                left_token: (Token id:Id.Left_Backtick val:'`' span_id:212)
                command_list: (command.CommandList children:[(C {(hostname)})])
              )
            }
          spids: [211]
        )
      ]
    )
    (C {(export)} {(host)})
    (command.If
      arms: [
        (if_arm
          cond: [
            (command.Sentence
              child: 
                (C {(Id.Lit_LBracket '[')} {($ Id.VSub_Number '$1')} 
                  {(Id.KW_Bang '!') (Id.Lit_Equals '=')} {(DQ (LOCKED))} {(Id.Lit_RBracket ']')}
                )
              terminator: (Token id:Id.Op_Semi val:';' span_id:252)
            )
          ]
          action: [
            (command.ShAssignment
              pairs: [
                (assign_pair
                  lhs: (sh_lhs_expr.Name name:ret)
                  op: assign_op.Equal
                  rhs: {(0)}
                  spids: [257]
                )
              ]
            )
            (command.ForEach
              iter_name: arg
              do_arg_iter: T
              body: 
                (command.DoGroup
                  children: [
                    (command.ShAssignment
                      pairs: [
                        (assign_pair
                          lhs: (sh_lhs_expr.Name name:lockfile)
                          op: assign_op.Equal
                          rhs: 
                            {(/var/run/periodic.) 
                              (braced_var_sub
                                token: (Token id:Id.VSub_Name val:arg span_id:272)
                                suffix_op: 
                                  (suffix_op.Unary
                                    op_id: Id.VOp1_DPound
                                    arg_word: {('*') (Id.Lit_Slash /)}
                                  )
                              ) (.lock)
                            }
                          spids: [269]
                        )
                      ]
                    )
                    (C {(lockf)} {(-t)} {(0)} {(DQ (${ Id.VSub_Name lockfile))} {(/bin/sh)} 
                      {($ Id.VSub_Number '$0')} {(LOCKED)} {(DQ ($ Id.VSub_DollarName '$arg'))}
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                    (command.Case
                      to_match: {($ Id.VSub_QMark '$?')}
                      arms: [
                        (case_arm pat_list:[{(0)}] spids:[310 311 313 -1])
                        (case_arm
                          pat_list: [{(73)}]
                          action: [
                            (command.Pipeline
                              children: [
                                (C {(echo)} {(DQ ("can't create ") (${ Id.VSub_Name lockfile))})
                                (C {(output_pipe)} {($ Id.VSub_DollarName '$arg')} 
                                  {(DQ ($ Id.VSub_DollarName '$PERIODIC'))}
                                )
                              ]
                              negated: F
                            )
                            (command.ShAssignment
                              pairs: [
                                (assign_pair
                                  lhs: (sh_lhs_expr.Name name:ret)
                                  op: assign_op.Equal
                                  rhs: {(1)}
                                  spids: [345]
                                )
                              ]
                            )
                          ]
                          spids: [316 317 349 -1]
                        )
                        (case_arm
                          pat_list: [{(75)}]
                          action: [
                            (command.Pipeline
                              children: [
                                (C {(echo)} 
                                  {
                                    (DQ ($ Id.VSub_DollarName '$host') (' ') 
                                      (braced_var_sub
                                        token: (Token id:Id.VSub_Name val:arg span_id:365)
                                        suffix_op: 
                                          (suffix_op.Unary
                                            op_id: Id.VOp1_DPound
                                            arg_word: {('*') (Id.Lit_Slash /)}
                                          )
                                      ) (' prior run still in progress')
                                    )
                                  }
                                )
                                (C {(output_pipe)} {($ Id.VSub_DollarName '$arg')} 
                                  {(DQ ($ Id.VSub_DollarName '$PERIODIC'))}
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                              ]
                              negated: F
                            )
                            (command.ShAssignment
                              pairs: [
                                (assign_pair
                                  lhs: (sh_lhs_expr.Name name:ret)
                                  op: assign_op.Equal
                                  rhs: {(1)}
                                  spids: [386]
                                )
                              ]
                            )
                          ]
                          spids: [352 353 390 -1]
                        )
                        (case_arm
                          pat_list: [{(Id.Lit_Star '*')}]
                          action: [
                            (command.ShAssignment
                              pairs: [
                                (assign_pair
                                  lhs: (sh_lhs_expr.Name name:ret)
                                  op: assign_op.Equal
                                  rhs: {(1)}
                                  spids: [397]
                                )
                              ]
                            )
                          ]
                          spids: [393 394 401 -1]
                        )
                      ]
                    )
                  ]
                )
            )
            (command.ControlFlow
              token: (Token id:Id.ControlFlow_Exit val:exit span_id:410)
              arg_word: {($ Id.VSub_DollarName '$ret')}
            )
          ]
          spids: [238 254]
        )
      ]
    )
    (command.If
      arms: [
        (if_arm
          cond: [
            (command.Sentence
              child: 
                (C {(Id.Lit_LBracket '[')} {($ Id.VSub_Pound '$#')} {(-ne)} {(2)} {(Id.Lit_RBracket ']')})
              terminator: (Token id:Id.Op_Semi val:';' span_id:428)
            )
          ]
          action: [(C {(usage)})]
          spids: [417 430]
        )
      ]
    )
    (C {(shift)})
    (command.ShAssignment
      pairs: [
        (assign_pair
          lhs: (sh_lhs_expr.Name name:arg)
          op: assign_op.Equal
          rhs: {($ Id.VSub_Number '$1')}
          spids: [439]
        )
      ]
    )
    (command.If
      arms: [
        (if_arm
          cond: [
            (command.Sentence
              child: 
                (C {(Id.Lit_LBracket '[')} {(-z)} 
                  {(DQ ($ Id.VSub_DollarName '$PERIODIC_ANTICONGESTION_FILE'))} {(Id.Lit_RBracket ']')}
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              terminator: (Token id:Id.Op_Semi val:';' span_id:455)
            )
          ]
          action: [
            (C {(export)} 
              {(Id.Lit_VarLike 'PERIODIC_ANTICONGESTION_FILE=') 
                (command_sub
                  left_token: (Token id:Id.Left_Backtick val:'`' span_id:463)
                  command_list: 
                    (command.CommandList
                      children: [
                        (C {(mktemp)} 
                          {
                            (braced_var_sub
                              token: (Token id:Id.VSub_Name val:TMPDIR span_id:469)
                              suffix_op: 
                                (suffix_op.Unary
                                  op_id: Id.VTest_ColonHyphen
                                  arg_word: {(Id.Lit_Slash /) (tmp)}
                                )
                            ) (/periodic.anticongestion.XXXXXXXXXX)
                          }
                        )
                      ]
                    )
                )
              }
            )
          ]
          spids: [443 457]
        )
      ]
    )
    (command.If
      arms: [
        (if_arm
          cond: [
            (command.Sentence
              child: 
                (command.Simple
                  words: [{(tty)}]
                  redirects: [
                    (redir.Redir
                      op: (Token id:Id.Redir_Great val:'>' span_id:483)
                      fd: -1
                      arg_word: {(/dev/null)}
                    )
                    (redir.Redir
                      op: (Token id:Id.Redir_GreatAnd val:'2>&' span_id:487)
                      fd: 2
                      arg_word: {(1)}
                    )
                  ]
                )
              terminator: (Token id:Id.Op_Semi val:';' span_id:489)
            )
          ]
          action: [(C {(export)} {(Id.Lit_VarLike 'PERIODIC_IS_INTERACTIVE=') (1)})]
          spids: [479 491]
        )
      ]
    )
    (command.ShAssignment
      pairs: [
        (assign_pair
          lhs: (sh_lhs_expr.Name name:tmp_output)
          op: assign_op.Equal
          rhs: 
            {
              (command_sub
                left_token: (Token id:Id.Left_Backtick val:'`' span_id:502)
                command_list: 
                  (command.CommandList
                    children: [
                      (C {(mktemp)} 
                        {
                          (braced_var_sub
                            token: (Token id:Id.VSub_Name val:TMPDIR span_id:508)
                            suffix_op: 
                              (suffix_op.Unary
                                op_id: Id.VTest_ColonHyphen
                                arg_word: {(Id.Lit_Slash /) (tmp)}
                              )
                          ) (/periodic.XXXXXXXXXX)
                        }
                      )
                    ]
                  )
              )
            }
          spids: [501]
        )
      ]
    )
    (command.ShAssignment
      pairs: [
        (assign_pair
          lhs: (sh_lhs_expr.Name name:context)
          op: assign_op.Equal
          rhs: {(DQ ($ Id.VSub_DollarName '$PERIODIC'))}
          spids: [516]
        )
      ]
    )
    (C {(export)} 
      {(Id.Lit_VarLike 'PERIODIC=') 
        (DQ ($ Id.VSub_DollarName '$arg') 
          (braced_var_sub
            token: (Token id:Id.VSub_Name val:PERIODIC span_id:527)
            suffix_op: (suffix_op.Unary op_id:Id.VTest_ColonPlus arg_word:{(' ')})
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        )
      }
    )
    (command.ShAssignment
      pairs: [
        (assign_pair
          lhs: (sh_lhs_expr.Name name:success)
          op: assign_op.Equal
          rhs: {(YES)}
          spids: [547]
        )
        (assign_pair
          lhs: (sh_lhs_expr.Name name:info)
          op: assign_op.Equal
          rhs: {(YES)}
          spids: [550]
        )
        (assign_pair
          lhs: (sh_lhs_expr.Name name:badconfig)
          op: assign_op.Equal
          rhs: {(NO)}
          spids: [553]
        )
        (assign_pair
          lhs: (sh_lhs_expr.Name name:empty_output)
          op: assign_op.Equal
          rhs: {(YES)}
          spids: [556]
        )
      ]
    )
    (command.ForEach
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      iter_words: [{(success)} {(info)} {(badconfig)} {(empty_output)}]
      do_arg_iter: F
      body: 
        (command.DoGroup
          children: [
            (command.Case
              to_match: 
                {
                  (command_sub
                    left_token: (Token id:Id.Left_DollarParen val:'$(' span_id:582)
                    command_list: 
                      (command.CommandList
                        children: [
                          (C {(eval)} {(echo)} 
                            {
                              (DQ 
                                (word_part.EscapedLiteral
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                                (braced_var_sub
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                                    (suffix_op.Unary
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                                      arg_word: {('*') (Id.Lit_Slash /)}
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                                ) (_show_) ($ Id.VSub_DollarName '$var')
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                            }
                          )
                        ]
                      )
                  )
                }
              arms: [
                (case_arm
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                    {(Id.Lit_LBracket '[') (Yy) (Id.Lit_RBracket ']') (Id.Lit_LBracket '[') (Ee) 
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                  action: [(C {(eval)} {($ Id.VSub_DollarName '$var') (Id.Lit_Equals '=') (YES)})]
                  spids: [603 612 619 -1]
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                (case_arm
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                      (Id.Lit_RBracket ']')
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                  ]
                  action: [(C {(eval)} {($ Id.VSub_DollarName '$var') (Id.Lit_Equals '=') (NO)})]
                  spids: [622 628 635 -1]
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              ]
            )
          ]
        )
    )
    (command.Case
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      arms: [
        (case_arm
          pat_list: [{(/) (Id.Lit_Star '*')}]
          action: [
            (command.If
              arms: [
                (if_arm
                  cond: [
                    (command.Sentence
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                      terminator: (Token id:Id.Op_Semi val:';' span_id:664)
                    )
                  ]
                  action: [
                    (command.ShAssignment
                      pairs: [
                        (assign_pair
                          lhs: (sh_lhs_expr.Name name:dirlist)
                          op: assign_op.Equal
                          rhs: {(DQ ($ Id.VSub_DollarName '$arg'))}
                          spids: [669]
                        )
                      ]
                    )
                  ]
                  spids: [653 666]
                )
              ]
              else_action: [
                (command.Simple
                  words: [
                    {(echo)}
                    {(DQ ($ Id.VSub_Number '$0') (': ') ($ Id.VSub_DollarName '$arg') (' not found'))}
                  ]
                  redirects: [
                    (redir.Redir
                      op: (Token id:Id.Redir_GreatAnd val:'>&' span_id:687)
                      fd: -1
                      arg_word: {(2)}
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                  ]
                )
                (command.ControlFlow
                  token: (Token id:Id.ControlFlow_Continue val:continue span_id:691)
                )
              ]
            )
          ]
          spids: [649 651 697 -1]
        )
        (case_arm
          pat_list: [{(Id.Lit_Star '*')}]
          action: [
            (command.ShAssignment
              pairs: [
                (assign_pair
                  lhs: (sh_lhs_expr.Name name:dirlist)
                  op: assign_op.Equal
                  rhs: (word.Empty)
                  spids: [702]
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              ]
            )
            (command.ForEach
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              iter_words: [{(/etc/periodic)} {(${ Id.VSub_Name local_periodic)}]
              do_arg_iter: F
              body: 
                (command.DoGroup
                  children: [
                    (command.AndOr
                      ops: [Id.Op_DAmp]
                      children: [
                        (C {(Id.Lit_LBracket '[')} {(-d)} 
                          {($ Id.VSub_DollarName '$top') (/) ($ Id.VSub_DollarName '$arg')} {(Id.Lit_RBracket ']')}
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                        (command.ShAssignment
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                            (assign_pair
                              lhs: (sh_lhs_expr.Name name:dirlist)
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                                {
                                  (DQ ($ Id.VSub_DollarName '$dirlist') (' ') 
                                    ($ Id.VSub_DollarName '$top') (/) ($ Id.VSub_DollarName '$arg')
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                                }
                              spids: [733]
                            )
                          ]
                        )
                      ]
                    )
                  ]
                )
            )
          ]
          spids: [699 700 746 -1]
        )
      ]
    )
    (command.Pipeline
      children: [
        (command.BraceGroup
          children: [
            (command.ShAssignment
              pairs: [
                (assign_pair
                  lhs: (sh_lhs_expr.Name name:empty)
                  op: assign_op.Equal
                  rhs: {(TRUE)}
                  spids: [754]
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            )
            (command.ShAssignment
              pairs: [
                (assign_pair
                  lhs: (sh_lhs_expr.Name name:processed)
                  op: assign_op.Equal
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                  spids: [758]
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              ]
            )
            (command.ForEach
              iter_name: dir
              iter_words: [{($ Id.VSub_DollarName '$dirlist')}]
              do_arg_iter: F
              body: 
                (command.DoGroup
                  children: [
                    (command.ForEach
                      iter_name: file
                      iter_words: [{($ Id.VSub_DollarName '$dir') (/) (Id.Lit_Star '*')}]
                      do_arg_iter: F
                      body: 
                        (command.DoGroup
                          children: [
                            (command.If
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                                (if_arm
                                  cond: [
                                    (command.Sentence
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                                        )
                                      terminator: (Token id:Id.Op_Semi val:';' span_id:805)
                                    )
                                  ]
                                  action: [
                                    (command.ShAssignment
                                      pairs: [
                                        (assign_pair
                                          lhs: (sh_lhs_expr.Name name:output)
                                          op: assign_op.Equal
                                          rhs: {(TRUE)}
                                          spids: [810]
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                                      ]
                                    )
                                    (command.ShAssignment
                                      pairs: [
                                        (assign_pair
                                          lhs: (sh_lhs_expr.Name name:processed)
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                                          rhs: 
                                            {
                                              (word_part.ArithSub
                                                anode: 
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                                                    op_id: Id.Arith_Plus
                                                    left: 
                                                      (arith_expr.ArithWord
                                                        w: {($ Id.VSub_DollarName '$processed')}
                                                      )
                                                    right: (arith_expr.ArithWord w:{(Id.Lit_Digits 1)})
                                                  )
                                              )
                                            }
                                          spids: [814]
                                        )
                                      ]
                                    )
                                    (command.Simple
                                      words: [{($ Id.VSub_DollarName '$file')}]
                                      redirects: [
                                        (redir.Redir
                                          op: (Token id:Id.Redir_Less val:'<' span_id:827)
                                          fd: -1
                                          arg_word: {(/dev/null)}
                                        )
                                        (redir.Redir
                                          op: (Token id:Id.Redir_Great val:'>' span_id:830)
                                          fd: -1
                                          arg_word: {($ Id.VSub_DollarName '$tmp_output')}
                                        )
                                        (redir.Redir
                                          op: (Token id:Id.Redir_GreatAnd val:'2>&' span_id:833)
                                          fd: 2
                                          arg_word: {(1)}
                                        )
                                      ]
                                    )
                                    (command.ShAssignment
                                      pairs: [
                                        (assign_pair
                                          lhs: (sh_lhs_expr.Name name:rc)
                                          op: assign_op.Equal
                                          rhs: {($ Id.VSub_QMark '$?')}
                                          spids: [837]
                                        )
                                      ]
                                    )
                                    (command.If
                                      arms: [
                                        (if_arm
                                          cond: [
                                            (command.Sentence
                                              child: 
                                                (C {(Id.Lit_LBracket '[')} {(-s)} 
                                                  {($ Id.VSub_DollarName '$tmp_output')} {(Id.Lit_RBracket ']')}
                                                )
                                              terminator: (Token id:Id.Op_Semi val:';' span_id:850)
                                            )
                                          ]
                                          action: [
                                            (command.Case
                                              to_match: {($ Id.VSub_DollarName '$rc')}
                                              arms: [
                                                (case_arm
                                                  pat_list: [{(0)}]
                                                  action: [
                                                    (command.AndOr
                                                      ops: [Id.Op_DAmp]
                                                      children: [
                                                        (C {(Id.Lit_LBracket '[')} 
                                                          {($ Id.VSub_DollarName '$success')} {(Id.Lit_Equals '=')} {(NO)} {(Id.Lit_RBracket ']')}
                                                        )
                                                        (command.ShAssignment
                                                          pairs: [
                                                            (assign_pair
                                                              lhs: (sh_lhs_expr.Name name:output)
                                                              op: assign_op.Equal
                                                              rhs: {(FALSE)}
                                                              spids: [877]
                                                            )
                                                          ]
                                                        )
                                                      ]
                                                    )
                                                  ]
                                                  spids: [862 863 879 -1]
                                                )
                                                (case_arm
                                                  pat_list: [{(1)}]
                                                  action: [
                                                    (command.AndOr
                                                      ops: [Id.Op_DAmp]
                                                      children: [
                                                        (C {(Id.Lit_LBracket '[')} 
                                                          {($ Id.VSub_DollarName '$info')} {(Id.Lit_Equals '=')} {(NO)} {(Id.Lit_RBracket ']')}
                                                        )
                                                        (command.ShAssignment
                                                          pairs: [
                                                            (assign_pair
                                                              lhs: (sh_lhs_expr.Name name:output)
                                                              op: assign_op.Equal
                                                              rhs: {(FALSE)}
                                                              spids: [897]
                                                            )
                                                          ]
                                                        )
                                                      ]
                                                    )
                                                  ]
                                                  spids: [882 883 899 -1]
                                                )
                                                (case_arm
                                                  pat_list: [{(2)}]
                                                  action: [
                                                    (command.AndOr
                                                      ops: [Id.Op_DAmp]
                                                      children: [
                                                        (C {(Id.Lit_LBracket '[')} 
                                                          {($ Id.VSub_DollarName '$badconfig')} {(Id.Lit_Equals '=')} {(NO)} {(Id.Lit_RBracket ']')}
                                                        )
                                                        (command.ShAssignment
                                                          pairs: [
                                                            (assign_pair
                                                              lhs: (sh_lhs_expr.Name name:output)
                                                              op: assign_op.Equal
                                                              rhs: {(FALSE)}
                                                              spids: [917]
                                                            )
                                                          ]
                                                        )
                                                      ]
                                                    )
                                                  ]
                                                  spids: [902 903 919 -1]
                                                )
                                              ]
                                            )
                                            (command.AndOr
                                              ops: [Id.Op_DAmp]
                                              children: [
                                                (C {(Id.Lit_LBracket '[')} 
                                                  {($ Id.VSub_DollarName '$output')} {(Id.Lit_Equals '=')} {(TRUE)} {(Id.Lit_RBracket ']')}
                                                )
                                                (command.BraceGroup
                                                  children: [
                                                    (command.Sentence
                                                      child: 
                                                        (C {(cat)} 
                                                          {($ Id.VSub_DollarName '$tmp_output')}
                                                        )
                                                      terminator: 
                                                        (Token
                                                          id: Id.Op_Semi
                                                          val: ';'
                                                          span_id: 942
                                                        )
                                                    )
                                                    (command.Sentence
                                                      child: 
                                                        (command.ShAssignment
                                                          pairs: [
                                                            (assign_pair
                                                              lhs: (sh_lhs_expr.Name name:empty)
                                                              op: assign_op.Equal
                                                              rhs: {(FALSE)}
                                                              spids: [944]
                                                            )
                                                          ]
                                                        )
                                                      terminator: 
                                                        (Token
                                                          id: Id.Op_Semi
                                                          val: ';'
                                                          span_id: 946
                                                        )
                                                    )
                                                  ]
                                                )
                                              ]
                                            )
                                          ]
                                          spids: [841 852]
                                        )
                                      ]
                                    )
                                    (C {(cp)} {(/dev/null)} {($ Id.VSub_DollarName '$tmp_output')})
                                  ]
                                  spids: [788 807]
                                )
                              ]
                            )
                          ]
                        )
                    )
                  ]
                )
            )
            (command.If
              arms: [
                (if_arm
                  cond: [
                    (command.Sentence
                      child: 
                        (C {(Id.Lit_LBracket '[')} {($ Id.VSub_DollarName '$empty')} 
                          {(Id.Lit_Equals '=')} {(TRUE)} {(Id.Lit_RBracket ']')}
                        )
                      terminator: (Token id:Id.Op_Semi val:';' span_id:981)
                    )
                  ]
                  action: [
                    (command.If
                      arms: [
                        (if_arm
                          cond: [
                            (command.Sentence
                              child: 
                                (C {(Id.Lit_LBracket '[')} {($ Id.VSub_DollarName '$empty_output')} 
                                  {(Id.Lit_Equals '=')} {(TRUE)} {(Id.Lit_RBracket ']')}
                                )
                              terminator: (Token id:Id.Op_Semi val:';' span_id:997)
                            )
                          ]
                          action: [
                            (command.AndOr
                              ops: [Id.Op_DAmp Id.Op_DPipe]
                              children: [
                                (C {(Id.Lit_LBracket '[')} {($ Id.VSub_DollarName '$processed')} 
                                  {(Id.Lit_Equals '=')} {(1)} {(Id.Lit_RBracket ']')}
                                )
                                (command.ShAssignment
                                  pairs: [
                                    (assign_pair
                                      lhs: (sh_lhs_expr.Name name:plural)
                                      op: assign_op.Equal
                                      rhs: (word.Empty)
                                      spids: [1014]
                                    )
                                  ]
                                )
                                (command.ShAssignment
                                  pairs: [
                                    (assign_pair
                                      lhs: (sh_lhs_expr.Name name:plural)
                                      op: assign_op.Equal
                                      rhs: {(s)}
                                      spids: [1018]
                                    )
                                  ]
                                )
                              ]
                            )
                            (C {(echo)} 
                              {
                                (DQ ('No output from the ') ($ Id.VSub_DollarName '$processed') 
                                  (' file') ($ Id.VSub_DollarName '$plural') (' processed')
                                )
                              }
                            )
                          ]
                          spids: [986 999]
                        )
                      ]
                    )
                  ]
                  spids: [970 983]
                )
              ]
              else_action: [
                (C {(echo)} {(DQ )})
                (C {(echo)} {(DQ ('-- End of ') ($ Id.VSub_DollarName '$arg') (' output --'))})
              ]
            )
          ]
        )
        (C {(output_pipe)} {($ Id.VSub_DollarName '$arg')} {(DQ ($ Id.VSub_DollarName '$context'))})
      ]
      negated: F
    )
    (C {(rm)} {(-f)} {($ Id.VSub_DollarName '$tmp_output')})
    (C {(rm)} {(-f)} {($ Id.VSub_DollarName '$PERIODIC_ANTICONGESTION_FILE')})
  ]
)