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              update: (arith_expr.UnaryAssign op_id:Id.Node_PostDPlus child:(sh_lhs_expr.Name name:i))
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            )
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                              child: {(DQ ($ Id.VSub_DollarName '$command'))}
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                        )
                      terminator: (Token id:Id.Op_Semi val:';' span_id:126)
                    )
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                  action: [
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                      arms: [
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                          action: [
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                                  lhs: (sh_lhs_expr.Name name:COMPREPLY)
                                  op: assign_op.Equal
                                  rhs: 
                                    {
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                                        left: (Token id:Id.Op_LParen val:'(' span_id:145)
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                                            (command_sub
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                                                (Token
                                                  id: Id.Left_DollarParen
                                                  val: '$('
                                                  span_id: 147
                                                )
                                              command_list: 
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                                                    (C {(compgen)} {(-W)} 
                                                      {
                                                        (SQ 
                                                          (Token
                                                            id: Id.Lit_Chars
                                                            val: '--f --buildfile --p --project'
                                                            span_id: 154
                                                          )
                                                        )
                                                      } {(-S) (DQ (':'))} {(--)} {(DQ ($ Id.VSub_DollarName '$cur'))}
                                                    )
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                                                )
                                            )
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                                )
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                            )
                            (command.ControlFlow
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                              arg_word: {(0)}
                            )
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                          spids: [138 141 224 -1]
                        )
                        (case_arm
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                          action: [
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                            (command.ShAssignment
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                                  lhs: (sh_lhs_expr.Name name:COMPREPLY)
                                  op: assign_op.Equal
                                  rhs: 
                                    {
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                                            (command_sub
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                                                (Token
                                                  id: Id.Left_DollarParen
                                                  val: '$('
                                                  span_id: 243
                                                )
                                              command_list: 
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                                                      {(-G) (DQ ('*.mds'))} {(--)} {(DQ ($ Id.VSub_DollarName '$cur'))}
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                                          expr: 
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                                              op_id: Id.BoolBinary_GlobDEqual
                                              left: {(DQ ($ Id.VSub_DollarName '$prev'))}
                                              right: {(Id.Lit_Other '*') (mds)}
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                                        )
                                      terminator: (Token id:Id.Op_Semi val:';' span_id:281)
                                    )
                                  ]
                                  action: [
                                    (command.ShAssignment
                                      pairs: [
                                        (assign_pair
                                          lhs: (sh_lhs_expr.Name name:COMPREPLY)
                                          op: assign_op.Equal
                                          rhs: 
                                            {
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                                                words: [
                                                  {
                                                    (command_sub
                                                      left_token: 
                                                        (Token
                                                          id: Id.Left_DollarParen
                                                          val: '$('
                                                          span_id: 289
                                                        )
                                                      command_list: 
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                                                          children: [
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                                                              {
                                                                (SQ 
                                                                  (Token
                                                                    id: Id.Lit_Chars
                                                                    val: 
'--simple-makefiles --s --d:'
                                                                    span_id: 296
                                                                  )
                                                                )
                                                              } {(--)} {(DQ ($ Id.VSub_DollarName '$cur'))}
                                                            )
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                                                        )
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                            )
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                              arg_word: {(0)}
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                        )
                        (case_arm
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                          action: [
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                                  op: assign_op.Equal
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                                                  id: Id.Left_DollarParen
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                                              command_list: 
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                                                    (C {(compgen)} {(-W)} 
                                                      {
                                                        (SQ 
                                                          (Token
                                                            id: Id.Lit_Chars
                                                            val: 
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                                                            span_id: 343
                                                          ) 
                                                          (Token
                                                            id: Id.Lit_Chars
                                                            val: 
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                                                            span_id: 344
                                                          ) 
                                                          (Token
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                                                            val: 
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                                                          ) 
                                                          (Token
                                                            id: Id.Lit_Chars
                                                            val: 
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                                                            span_id: 346
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                            (command.ControlFlow
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                            (command_sub
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                                      {
                                        (SQ 
                                          (Token
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              arg_word: {(0)}
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    )
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