(CommandList
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                  pairs: [
                    (assign_pair lhs:(LhsName name:cur) op:Equal spids:[13])
                    (assign_pair lhs:(LhsName name:prev) op:Equal spids:[15])
                    (assign_pair lhs:(LhsName name:words) op:Equal spids:[17])
                    (assign_pair lhs:(LhsName name:cword) op:Equal spids:[19])
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                  spids: [11]
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                (AndOr
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                )
                (Case
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                    (case_arm
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                      action: [(C {(_filedir)}) (ControlFlow token:<ControlFlow_Return return>)]
                      spids: [37 38 47 16777215]
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                                  right: {(-) (Lit_Other '*')}
                                )
                            )
                          terminator: <Op_Semi ';'>
                        )
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                      action: [
                        (Assignment
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                            (assign_pair
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                              op: Equal
                              rhs: 
                                {
                                  (ArrayLiteralPart
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                                      {
                                        (CommandSubPart
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                                            (CommandList
                                              children: [
                                                (C {(compgen)} {(-W)} 
                                                  {
                                                    (SQ 
                                                      <
'$( _parse_help "$1" -h | sed -e "/#/d" ) -B{4..7} -i{1..9}'
                                                      >
                                                    )
                                                  } {(--)} {(DQ ($ VSub_Name '$cur'))}
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                                            )
                                          left_token: <Left_CommandSub '$('>
                                          spids: [76 96]
                                        )
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                          spids: [73]
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                        (ControlFlow token:<ControlFlow_Return return>)
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                      spids: [16777215 70]
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                  spids: [16777215 104]
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                    (assign_pair lhs:(LhsName name:word) op:Equal spids:[112])
                    (assign_pair
                      lhs: (LhsName name:xspec)
                      op: Equal
                      rhs: {(DQ ('*.?(t)lz4'))}
                      spids: [114]
                    )
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                  spids: [108]
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                (C {(_count_args)})
                (AndOr
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                      expr: (BoolBinary op_id:BoolBinary_gt left:{($ VSub_Name '$args')} right:{(2)})
                    )
                    (ControlFlow token:<ControlFlow_Return return>)
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                  op_id: Op_DAmp
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                (ForEach
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                      (BracedVarSub
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                        bracket_op: (WholeArray op_id:Lit_At)
                        spids: [145 150]
                      )
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                  do_arg_iter: False
                  body: 
                    (DoGroup
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                        (Case
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                          arms: [
                            (case_arm
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                                {(-) (Lit_Other '*') (Lit_Other '[') (dt) (Lit_Other ']') 
                                  (Lit_Other '*')
                                }
                              ]
                              action: [
                                (Case
                                  to_match: {($ VSub_Name '$args')}
                                  arms: [
                                    (case_arm
                                      pat_list: [{(1)}]
                                      action: [
                                        (Assignment
                                          keyword: Assign_None
                                          pairs: [
                                            (assign_pair
                                              lhs: (LhsName name:xspec)
                                              op: Equal
                                              rhs: {(DQ ('!')) ($ VSub_Name '$xspec')}
                                              spids: [182]
                                            )
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                                          spids: [182]
                                        )
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                                      spids: [179 180 188 16777215]
                                    )
                                    (case_arm
                                      pat_list: [{(2)}]
                                      action: [
                                        (AndOr
                                          children: [
                                            (DBracket
                                              expr: 
                                                (BoolBinary
                                                  op_id: BoolBinary_GlobDEqual
                                                  left: {($ VSub_Name '$word')}
                                                  right: {(Lit_Other '*') (t) (Lit_Other '*')}
                                                )
                                            )
                                            (ControlFlow
                                              token: <ControlFlow_Return return>
                                            )
                                          ]
                                          op_id: Op_DAmp
                                        )
                                      ]
                                      spids: [191 192 16777215 211]
                                    )
                                  ]
                                  spids: [172 176 211]
                                )
                                (ControlFlow
                                  token: <ControlFlow_Break break>
                                )
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                              spids: [163 169 217 16777215]
                            )
                            (case_arm
                              pat_list: [{(-z)}]
                              action: [
                                (Case
                                  to_match: {($ VSub_Name '$args')}
                                  arms: [
                                    (case_arm
                                      pat_list: [{(1)}]
                                      action: [
                                        (Assignment
                                          keyword: Assign_None
                                          pairs: [
                                            (assign_pair
                                              lhs: (LhsName name:xspec)
                                              op: Equal
                                              rhs: {(SQ )}
                                              spids: [234]
                                            )
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                                          spids: [234]
                                        )
                                      ]
                                      spids: [231 232 236 16777215]
                                    )
                                    (case_arm
                                      pat_list: [{(2)}]
                                      action: [
                                        (Assignment
                                          keyword: Assign_None
                                          pairs: [
                                            (assign_pair
                                              lhs: (LhsName name:xspec)
                                              op: Equal
                                              rhs: {(DQ ('!')) ($ VSub_Name '$xspec')}
                                              spids: [242]
                                            )
                                          ]
                                          spids: [242]
                                        )
                                      ]
                                      spids: [239 240 248 16777215]
                                    )
                                  ]
                                  spids: [224 228 251]
                                )
                                (ControlFlow
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                              spids: [220 221 257 16777215]
                            )
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                          spids: [156 160 260]
                        )
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                      spids: [153 263]
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                  spids: [144 151]
                )
                (AndOr
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                    (C {(_expand)})
                    (ControlFlow token:<ControlFlow_Return return> arg_word:{(0)})
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                  op_id: Op_DPipe
                )
                (Assignment
                  keyword: Assign_Local
                  pairs: [
                    (assign_pair
                      lhs: (LhsName name:IFS)
                      op: Equal
                      rhs: {(SQ <Lit_EscapedChar '\\n'>)}
                      spids: [278]
                    )
                  ]
                  spids: [276]
                )
                (C {(compopt)} {(-o)} {(filenames)})
                (Assignment
                  keyword: Assign_None
                  pairs: [
                    (assign_pair
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                      op: Equal
                      rhs: 
                        {
                          (ArrayLiteralPart
                            words: [
                              {
                                (CommandSubPart
                                  command_list: 
                                    (CommandList
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                                          {(DQ ($ VSub_Name '$cur'))}
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                                    )
                                  left_token: <Left_CommandSub '$('>
                                  spids: [294 312]
                                )
                              }
                              {
                                (CommandSubPart
                                  command_list: 
                                    (CommandList
                                      children: [
                                        (C {(compgen)} {(-d)} {(--)} {(DQ ($ VSub_Name '$cur'))})
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                                    )
                                  left_token: <Left_CommandSub '$('>
                                  spids: [316 328]
                                )
                              }
                            ]
                          )
                        }
                      spids: [291]
                    )
                  ]
                  spids: [291]
                )
              ]
              spids: [8]
            )
          spids: [4 7]
        )
        (C {(complete)} {(-F)} {(_lz4)} {(lz4)} {(lz4c)})
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      op_id: Op_DAmp
    )
  ]
)