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      name: sort_list
      body: 
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              ops: [Op_DAmp]
              children: [
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                      op_id: Arith_NEqual
                      left: (arith_expr.ArithWord w:{($ VSub_Pound '$#')})
                      right: (arith_expr.ArithWord w:{(Lit_Digits 2)})
                    )
                )
                (command.ControlFlow token:<ControlFlow_Return return> arg_word:{(1)})
              ]
            )
            (C {(typeset)} {(-i)} {(Lit_VarLike 'left=') ($ VSub_Number '$1')})
            (command.AndOr
              ops: [Op_DPipe Op_DAmp]
              children: [
                (command.DParen
                  child: 
                    (arith_expr.Binary
                      op_id: Arith_Less
                      left: (arith_expr.VarRef token:<Lit_ArithVarLike left>)
                      right: (arith_expr.ArithWord w:{(Lit_Digits 0)})
                    )
                )
                (command.DParen
                  child: 
                    (arith_expr.Binary
                      op_id: Arith_DEqual
                      left: (arith_expr.ArithWord w:{(Lit_Digits 0)})
                      right: 
                        (arith_expr.ArithWord
                          w: 
                            {
                              (braced_var_sub
                                token: <VSub_Name list>
                                prefix_op: VSub_Pound
                                bracket_op: (bracket_op.WholeArray op_id:Lit_At)
                              )
                            }
                        )
                    )
                )
                (command.ControlFlow token:<ControlFlow_Return return> arg_word:{(2)})
              ]
            )
            (C {(typeset)} {(-i)} {(Lit_VarLike 'right=') ($ VSub_Number '$2')})
            (command.AndOr
              ops: [Op_DAmp]
              children: [
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                  child: 
                    (arith_expr.Binary
                      op_id: Arith_GreatEqual
                      left: (arith_expr.VarRef token:<Lit_ArithVarLike right>)
                      right: 
                        (arith_expr.ArithWord
                          w: 
                            {
                              (braced_var_sub
                                token: <VSub_Name list>
                                prefix_op: VSub_Pound
                                bracket_op: (bracket_op.WholeArray op_id:Lit_At)
                              )
                            }
                        )
                    )
                )
                (command.ControlFlow token:<ControlFlow_Return return> arg_word:{(3)})
              ]
            )
            (command.Sentence
              child: (C {(typeset)} {(-i)} {(Lit_VarLike 'i=') ($ VSub_DollarName '$left')})
              terminator: <Op_Semi ';'>
            )
            (C {(typeset)} {(-i)} {(Lit_VarLike 'j=') ($ VSub_DollarName '$right')})
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              child: (C {(typeset)} {(-i)} {(mid)})
              terminator: <Op_Semi ';'>
            )
            (command.DParen
              child: 
                (arith_expr.BinaryAssign
                  op_id: Arith_Equal
                  left: (sh_lhs_expr.Name name:mid)
                  right: 
                    (arith_expr.Binary
                      op_id: Arith_Slash
                      left: 
                        (arith_expr.Binary
                          op_id: Arith_Plus
                          left: (arith_expr.VarRef token:<Lit_ArithVarLike left>)
                          right: (arith_expr.VarRef token:<Lit_ArithVarLike right>)
                        )
                      right: (arith_expr.ArithWord w:{(Lit_Digits 2)})
                    )
                )
            )
            (command.Sentence
              child: (C {(typeset)} {(partition_item)})
              terminator: <Op_Semi ';'>
            )
            (command.ShAssignment
              pairs: [
                (assign_pair
                  lhs: (sh_lhs_expr.Name name:partition_item)
                  op: Equal
                  rhs: 
                    {
                      (DQ 
                        (braced_var_sub
                          token: <VSub_Name list>
                          bracket_op: 
                            (bracket_op.ArrayIndex
                              expr: (arith_expr.ArithWord w:{($ VSub_DollarName '$mid')})
                            )
                        )
                      )
                    }
                )
              ]
            )
            (C {(typeset)} {(temp)})
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              keyword: <KW_While while>
              cond: [
                (command.Sentence
                  child: 
                    (command.DParen
                      child: 
                        (arith_expr.Binary
                          op_id: Arith_Great
                          left: (arith_expr.VarRef token:<Lit_ArithVarLike j>)
                          right: (arith_expr.VarRef token:<Lit_ArithVarLike i>)
                        )
                    )
                  terminator: <Op_Semi ';'>
                )
              ]
              body: 
                (command.DoGroup
                  children: [
                    (command.ShAssignment
                      pairs: [
                        (assign_pair
                          lhs: (sh_lhs_expr.Name name:item)
                          op: Equal
                          rhs: 
                            {
                              (braced_var_sub
                                token: <VSub_Name list>
                                bracket_op: 
                                  (bracket_op.ArrayIndex
                                    expr: (arith_expr.VarRef token:<Lit_ArithVarLike i>)
                                  )
                              )
                            }
                        )
                      ]
                    )
                    (command.WhileUntil
                      keyword: <KW_While while>
                      cond: [
                        (command.Sentence
                          child: 
                            (command.DBracket
                              expr: 
                                (bool_expr.Binary
                                  op_id: Op_Less
                                  left: 
                                    {
                                      (DQ 
                                        (braced_var_sub
                                          token: <VSub_Name list>
                                          bracket_op: 
                                            (bracket_op.ArrayIndex
                                              expr: (arith_expr.ArithWord w:{($ VSub_DollarName '$i')})
                                            )
                                        )
                                      )
                                    }
                                  right: {(DQ ($ VSub_DollarName '$partition_item'))}
                                )
                            )
                          terminator: <Op_Semi ';'>
                        )
                      ]
                      body: 
                        (command.DoGroup
                          children: [
                            (command.DParen
                              child: 
                                (arith_expr.UnaryAssign
                                  op_id: Node_PostDPlus
                                  child: (sh_lhs_expr.Name name:i)
                                )
                            )
                          ]
                        )
                    )
                    (command.WhileUntil
                      keyword: <KW_While while>
                      cond: [
                        (command.Sentence
                          child: 
                            (command.DBracket
                              expr: 
                                (bool_expr.Binary
                                  op_id: Op_Great
                                  left: 
                                    {
                                      (DQ 
                                        (braced_var_sub
                                          token: <VSub_Name list>
                                          bracket_op: 
                                            (bracket_op.ArrayIndex
                                              expr: (arith_expr.ArithWord w:{($ VSub_DollarName '$j')})
                                            )
                                        )
                                      )
                                    }
                                  right: {(DQ ($ VSub_DollarName '$partition_item'))}
                                )
                            )
                          terminator: <Op_Semi ';'>
                        )
                      ]
                      body: 
                        (command.DoGroup
                          children: [
                            (command.DParen
                              child: 
                                (arith_expr.UnaryAssign
                                  op_id: Node_PostDMinus
                                  child: (sh_lhs_expr.Name name:j)
                                )
                            )
                          ]
                        )
                    )
                    (command.If
                      arms: [
                        (if_arm
                          cond: [
                            (command.Sentence
                              child: 
                                (command.DParen
                                  child: 
                                    (arith_expr.Binary
                                      op_id: Arith_LessEqual
                                      left: (arith_expr.VarRef token:<Lit_ArithVarLike i>)
                                      right: (arith_expr.VarRef token:<Lit_ArithVarLike j>)
                                    )
                                )
                              terminator: <Op_Semi ';'>
                            )
                          ]
                          action: [
                            (command.Sentence
                              child: 
                                (command.ShAssignment
                                  pairs: [
                                    (assign_pair
                                      lhs: (sh_lhs_expr.Name name:temp)
                                      op: Equal
                                      rhs: 
                                        {
                                          (DQ 
                                            (braced_var_sub
                                              token: <VSub_Name list>
                                              bracket_op: 
                                                (bracket_op.ArrayIndex
                                                  expr: 
                                                    (arith_expr.ArithWord
                                                      w: {($ VSub_DollarName '$i')}
                                                    )
                                                )
                                            )
                                          )
                                        }
                                    )
                                  ]
                                )
                              terminator: <Op_Semi ';'>
                            )
                            (command.Sentence
                              child: 
                                (command.ShAssignment
                                  pairs: [
                                    (assign_pair
                                      lhs: 
                                        (sh_lhs_expr.IndexedName
                                          name: list
                                          index: (arith_expr.ArithWord w:{($ VSub_DollarName '$i')})
                                        )
                                      op: Equal
                                      rhs: 
                                        {
                                          (DQ 
                                            (braced_var_sub
                                              token: <VSub_Name list>
                                              bracket_op: 
                                                (bracket_op.ArrayIndex
                                                  expr: 
                                                    (arith_expr.ArithWord
                                                      w: {($ VSub_DollarName '$j')}
                                                    )
                                                )
                                            )
                                          )
                                        }
                                    )
                                  ]
                                )
                              terminator: <Op_Semi ';'>
                            )
                            (command.ShAssignment
                              pairs: [
                                (assign_pair
                                  lhs: 
                                    (sh_lhs_expr.IndexedName
                                      name: list
                                      index: (arith_expr.ArithWord w:{($ VSub_DollarName '$j')})
                                    )
                                  op: Equal
                                  rhs: {(DQ ($ VSub_DollarName '$temp'))}
                                )
                              ]
                            )
                            (command.DParen
                              child: 
                                (arith_expr.UnaryAssign
                                  op_id: Node_PostDPlus
                                  child: (sh_lhs_expr.Name name:i)
                                )
                            )
                            (command.DParen
                              child: 
                                (arith_expr.UnaryAssign
                                  op_id: Node_PostDMinus
                                  child: (sh_lhs_expr.Name name:j)
                                )
                            )
                          ]
                        )
                      ]
                    )
                  ]
                )
            )
            (command.AndOr
              ops: [Op_DAmp]
              children: [
                (command.DParen
                  child: 
                    (arith_expr.Binary
                      op_id: Arith_Less
                      left: (arith_expr.VarRef token:<Lit_ArithVarLike left>)
                      right: (arith_expr.VarRef token:<Lit_ArithVarLike j>)
                    )
                )
                (C {(sort_list)} {($ VSub_DollarName '$left')} {($ VSub_DollarName '$j')})
              ]
            )
            (command.AndOr
              ops: [Op_DAmp]
              children: [
                (command.DParen
                  child: 
                    (arith_expr.Binary
                      op_id: Arith_Great
                      left: (arith_expr.VarRef token:<Lit_ArithVarLike right>)
                      right: (arith_expr.VarRef token:<Lit_ArithVarLike i>)
                    )
                )
                (C {(sort_list)} {($ VSub_DollarName '$i')} {($ VSub_DollarName '$right')})
              ]
            )
            (command.ControlFlow token:<ControlFlow_Return return> arg_word:{(0)})
          ]
        )
    )
    (command.If
      arms: [
        (if_arm
          cond: [
            (command.Sentence
              child: 
                (command.DBracket
                  expr: 
                    (bool_expr.Binary
                      op_id: BoolBinary_GlobDEqual
                      left: {($ VSub_Number '$0')}
                      right: {(Lit_Other '*') (sorting.sh)}
                    )
                )
              terminator: <Op_Semi ';'>
            )
          ]
          action: [
            (command.AndOr
              ops: [Op_DAmp]
              children: [
                (command.DBracket
                  expr: (bool_expr.Unary op_id:BoolUnary_n child:{($ VSub_DollarName '$ZSH_VERSION')})
                )
                (C {(setopt)} {(ksharrays)})
              ]
            )
            (C {(typeset)} {(-a)} {(list)})
            (command.ShAssignment
              pairs: [
                (assign_pair
                  lhs: (sh_lhs_expr.Name name:list)
                  op: Equal
                  rhs: {(sh_array_literal left:<Op_LParen '('>)}
                )
              ]
            )
            (C {(sort_list)} {(-1)} {(0)})
            (C {(typeset)} {(-p)} {(list)})
            (command.ShAssignment
              pairs: [
                (assign_pair
                  lhs: (sh_lhs_expr.Name name:list)
                  op: Equal
                  rhs: {(sh_array_literal left:<Op_LParen '('> words:[{(SQ <one>)}])}
                )
              ]
            )
            (C {(typeset)} {(-p)} {(list)})
            (C {(sort_list)} {(0)} {(0)})
            (C {(typeset)} {(-p)} {(list)})
            (command.ShAssignment
              pairs: [
                (assign_pair
                  lhs: (sh_lhs_expr.Name name:list)
                  op: Equal
                  rhs: 
                    {
                      (sh_array_literal
                        left: <Op_LParen '('>
                        words: [{(SQ <one>)} {(SQ <two>)} {(SQ <three>)}]
                      )
                    }
                )
              ]
            )
            (C {(sort_list)} {(0)} {(2)})
            (C {(typeset)} {(-p)} {(list)})
            (command.ShAssignment
              pairs: [
                (assign_pair
                  lhs: (sh_lhs_expr.Name name:list)
                  op: Equal
                  rhs: {(sh_array_literal left:<Op_LParen '('> words:[{(4)} {(3)} {(2)} {(1)}])}
                )
              ]
            )
            (C {(sort_list)} {(0)} {(3)})
            (C {(typeset)} {(-p)} {(list)})
          ]
        )
      ]
    )
  ]
)