(command.CommandList
  children: [
    (command.ShFunction
      name: relpath
      body: 
        (BraceGroup
          left: <Id.Lit_LBrace '{'>
          children: [
            (command.AndOr
              ops: [Id.Op_DAmp Id.Op_DPipe]
              children: [
                (C {<Id.Lit_LBracket '['>} {($ Id.VSub_Pound '#')} {<-ge>} {<1>} {<Id.Lit_RBracket ']'>})
                (C {<Id.Lit_LBracket '['>} {($ Id.VSub_Pound '#')} {<-le>} {<2>} {<Id.Lit_RBracket ']'>})
                (command.ControlFlow
                  token: <Id.ControlFlow_Return return>
                  arg_word: {<1>}
                )
              ]
            )
            (command.ShAssignment
              pairs: [
                (assign_pair
                  lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'current='> name:current)
                  op: assign_op.Equal
                  rhs: 
                    {
                      (DQ 
                        (braced_var_sub
                          left: <Id.Left_DollarBrace '${'>
                          token: <Id.VSub_Number 2>
                          var_name: 2
                          suffix_op: 
                            (suffix_op.Unary
                              op: <Id.VTest_ColonPlus _>
                              arg_word: {(DQ ($ Id.VSub_Number 1))}
                            )
                          right: <Id.Right_DollarBrace '}'>
                        )
                      )
                    }
                  spids: [51]
                )
              ]
              redirects: []
            )
            (command.ShAssignment
              pairs: [
                (assign_pair
                  lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'target='> name:target)
                  op: assign_op.Equal
                  rhs: 
                    {
                      (DQ 
                        (braced_var_sub
                          left: <Id.Left_DollarBrace '${'>
                          token: <Id.VSub_Number 2>
                          var_name: 2
                          suffix_op: 
                            (suffix_op.Unary
                              op: <Id.VTest_ColonHyphen _>
                              arg_word: {(DQ ($ Id.VSub_Number 1))}
                            )
                          right: <Id.Right_DollarBrace '}'>
                        )
                      )
                    }
                  spids: [63]
                )
              ]
              redirects: []
            )
            (command.AndOr
              ops: [Id.Op_DPipe]
              children: [
                (C {<Id.Lit_LBracket '['>} {(DQ ($ Id.VSub_DollarName target))} 
                  {<Id.KW_Bang '!'> <Id.Lit_Equals '='>} {<.>} {<Id.Lit_RBracket ']'>}
                )
                (command.ShAssignment
                  pairs: [
                    (assign_pair
                      lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'target='> name:target)
                      op: assign_op.Equal
                      rhs: {<'/'>}
                      spids: [90]
                    )
                  ]
                  redirects: []
                )
              ]
            )
            (command.ShAssignment
              pairs: [
                (assign_pair
                  lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'target='> name:target)
                  op: assign_op.Equal
                  rhs: 
                    {
                      (DQ <'/'> 
                        (braced_var_sub
                          left: <Id.Left_DollarBrace '${'>
                          token: <Id.VSub_Name target>
                          var_name: target
                          suffix_op: 
                            (suffix_op.Unary
                              op: <Id.VOp1_DPound '##'>
                              arg_word: {<Id.Lit_Slash '/'>}
                            )
                          right: <Id.Right_DollarBrace '}'>
                        )
                      )
                    }
                  spids: [94]
                )
              ]
              redirects: []
            )
            (command.AndOr
              ops: [Id.Op_DPipe]
              children: [
                (C {<Id.Lit_LBracket '['>} {(DQ ($ Id.VSub_DollarName current))} 
                  {<Id.KW_Bang '!'> <Id.Lit_Equals '='>} {<.>} {<Id.Lit_RBracket ']'>}
                )
                (command.ShAssignment
                  pairs: [
                    (assign_pair
                      lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'current='> name:current)
                      op: assign_op.Equal
                      rhs: {<'/'>}
                      spids: [120]
                    )
                  ]
                  redirects: []
                )
              ]
            )
            (command.ShAssignment
              pairs: [
                (assign_pair
                  lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'current='> name:current)
                  op: assign_op.Equal
                  rhs: 
                    {
                      (DQ 
                        (braced_var_sub
                          left: <Id.Left_DollarBrace '${'>
                          token: <Id.VSub_Name current>
                          var_name: current
                          suffix_op: (suffix_op.Unary op:<Id.VTest_ColonEquals _> arg_word:{(DQ <'/'>)})
                          right: <Id.Right_DollarBrace '}'>
                        )
                      )
                    }
                  spids: [124]
                )
              ]
              redirects: []
            )
            (command.ShAssignment
              pairs: [
                (assign_pair
                  lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'current='> name:current)
                  op: assign_op.Equal
                  rhs: 
                    {
                      (DQ <'/'> 
                        (braced_var_sub
                          left: <Id.Left_DollarBrace '${'>
                          token: <Id.VSub_Name current>
                          var_name: current
                          suffix_op: 
                            (suffix_op.Unary
                              op: <Id.VOp1_DPound '##'>
                              arg_word: {<Id.Lit_Slash '/'>}
                            )
                          right: <Id.Right_DollarBrace '}'>
                        )
                      )
                    }
                  spids: [136]
                )
              ]
              redirects: []
            )
            (command.ShAssignment
              pairs: [
                (assign_pair
                  lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'appendix='> name:appendix)
                  op: assign_op.Equal
                  rhs: 
                    {
                      (DQ 
                        (braced_var_sub
                          left: <Id.Left_DollarBrace '${'>
                          token: <Id.VSub_Name target>
                          var_name: target
                          suffix_op: 
                            (suffix_op.Unary
                              op: <Id.VOp1_DPound '##'>
                              arg_word: {<Id.Lit_Slash '/'>}
                            )
                          right: <Id.Right_DollarBrace '}'>
                        )
                      )
                    }
                  spids: [147]
                )
              ]
              redirects: []
            )
            (command.ShAssignment
              pairs: [
                (assign_pair
                  lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'relative='> name:relative)
                  op: assign_op.Equal
                  rhs: {(SQ )}
                  spids: [157]
                )
              ]
              redirects: []
            )
            (command.WhileUntil
              keyword: <Id.KW_While while>
              cond: 
                (condition.Shell
                  commands: [
                    (command.ShAssignment
                      pairs: [
                        (assign_pair
                          lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'appendix='> name:appendix)
                          op: assign_op.Equal
                          rhs: 
                            {
                              (DQ 
                                (braced_var_sub
                                  left: <Id.Left_DollarBrace '${'>
                                  token: <Id.VSub_Name target>
                                  var_name: target
                                  suffix_op: 
                                    (suffix_op.Unary
                                      op: <Id.VOp1_Pound '#'>
                                      arg_word: 
                                        {(DQ ($ Id.VSub_DollarName current)) <Id.Lit_Slash '/'>}
                                    )
                                  right: <Id.Right_DollarBrace '}'>
                                )
                              )
                            }
                          spids: [164]
                        )
                      ]
                      redirects: []
                    )
                    (command.Sentence
                      child: 
                        (command.AndOr
                          ops: [Id.Op_DAmp]
                          children: [
                            (C {<Id.Lit_LBracket '['>} {(DQ ($ Id.VSub_DollarName current))} 
                              {<Id.KW_Bang '!'> <Id.Lit_Equals '='>} {(SQ <'/'>)} {<Id.Lit_RBracket ']'>}
                            )
                            (C {<Id.Lit_LBracket '['>} {(DQ ($ Id.VSub_DollarName appendix))} 
                              {<Id.Lit_Equals '='>} {(DQ ($ Id.VSub_DollarName target))} {<Id.Lit_RBracket ']'>}
                            )
                          ]
                        )
                      terminator: <Id.Op_Semi _>
                    )
                  ]
                )
              body: 
                (command.DoGroup
                  children: [
                    (command.If
                      arms: [
                        (if_arm
                          cond: 
                            (condition.Shell
                              commands: [
                                (command.Sentence
                                  child: 
                                    (C {<Id.Lit_LBracket '['>} {(DQ ($ Id.VSub_DollarName current))} 
                                      {<Id.Lit_Equals '='>} {(DQ ($ Id.VSub_DollarName appendix))} {<Id.Lit_RBracket ']'>}
                                    )
                                  terminator: <Id.Op_Semi _>
                                )
                              ]
                            )
                          action: [
                            (command.ShAssignment
                              pairs: [
                                (assign_pair
                                  lhs: 
                                    (sh_lhs_expr.Name
                                      left: <Id.Lit_VarLike 'relative='>
                                      name: relative
                                    )
                                  op: assign_op.Equal
                                  rhs: 
                                    {
                                      (DQ 
                                        (braced_var_sub
                                          left: <Id.Left_DollarBrace '${'>
                                          token: <Id.VSub_Name relative>
                                          var_name: relative
                                          suffix_op: 
                                            (suffix_op.Unary
                                              op: <Id.VTest_ColonHyphen _>
                                              arg_word: {<.>}
                                            )
                                          right: <Id.Right_DollarBrace '}'>
                                        )
                                      )
                                    }
                                  spids: [232]
                                )
                              ]
                              redirects: []
                            )
                            (C {<echo>} 
                              {
                                (DQ 
                                  (braced_var_sub
                                    left: <Id.Left_DollarBrace '${'>
                                    token: <Id.VSub_Name relative>
                                    var_name: relative
                                    suffix_op: 
                                      (suffix_op.Unary
                                        op: <Id.VOp1_Pound '#'>
                                        arg_word: {<Id.Lit_Slash '/'>}
                                      )
                                    right: <Id.Right_DollarBrace '}'>
                                  )
                                )
                              }
                            )
                            (command.ControlFlow
                              token: <Id.ControlFlow_Return return>
                              arg_word: {<0>}
                            )
                          ]
                          spids: [212 229]
                        )
                      ]
                      else_action: []
                      redirects: []
                    )
                    (command.ShAssignment
                      pairs: [
                        (assign_pair
                          lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'current='> name:current)
                          op: assign_op.Equal
                          rhs: 
                            {
                              (DQ 
                                (braced_var_sub
                                  left: <Id.Left_DollarBrace '${'>
                                  token: <Id.VSub_Name current>
                                  var_name: current
                                  suffix_op: 
                                    (suffix_op.Unary
                                      op: <Id.VOp1_Percent '%'>
                                      arg_word: {<Id.Lit_Slash '/'> <Id.Lit_Other '*'>}
                                    )
                                  right: <Id.Right_DollarBrace '}'>
                                )
                              )
                            }
                          spids: [261]
                        )
                      ]
                      redirects: []
                    )
                    (command.ShAssignment
                      pairs: [
                        (assign_pair
                          lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'relative='> name:relative)
                          op: assign_op.Equal
                          rhs: 
                            {
                              (DQ ($ Id.VSub_DollarName relative) 
                                (braced_var_sub
                                  left: <Id.Left_DollarBrace '${'>
                                  token: <Id.VSub_Name relative>
                                  var_name: relative
                                  suffix_op: 
                                    (suffix_op.Unary
                                      op: <Id.VTest_ColonPlus _>
                                      arg_word: {<Id.Lit_Slash '/'>}
                                    )
                                  right: <Id.Right_DollarBrace '}'>
                                ) <..>
                              )
                            }
                          spids: [272]
                        )
                      ]
                      redirects: []
                    )
                  ]
                )
              redirects: []
            )
            (command.ShAssignment
              pairs: [
                (assign_pair
                  lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'relative='> name:relative)
                  op: assign_op.Equal
                  rhs: 
                    {
                      (DQ ($ Id.VSub_DollarName relative) 
                        (braced_var_sub
                          left: <Id.Left_DollarBrace '${'>
                          token: <Id.VSub_Name relative>
                          var_name: relative
                          suffix_op: 
                            (suffix_op.Unary
                              op: <Id.VTest_ColonPlus _>
                              arg_word: 
                                {
                                  (braced_var_sub
                                    left: <Id.Left_DollarBrace '${'>
                                    token: <Id.VSub_Name appendix>
                                    var_name: appendix
                                    suffix_op: 
                                      (suffix_op.Unary
                                        op: <Id.VTest_ColonPlus _>
                                        arg_word: {<Id.Lit_Slash '/'>}
                                      )
                                    right: <Id.Right_DollarBrace '}'>
                                  )
                                }
                            )
                          right: <Id.Right_DollarBrace '}'>
                        ) 
                        (braced_var_sub
                          left: <Id.Left_DollarBrace '${'>
                          token: <Id.VSub_Name appendix>
                          var_name: appendix
                          suffix_op: 
                            (suffix_op.Unary
                              op: <Id.VOp1_Pound '#'>
                              arg_word: {<Id.Lit_Slash '/'>}
                            )
                          right: <Id.Right_DollarBrace '}'>
                        )
                      )
                    }
                  spids: [287]
                )
              ]
              redirects: []
            )
            (C {<echo>} {(DQ ($ Id.VSub_DollarName relative))})
          ]
          redirects: []
          right: <Id.Lit_RBrace '}'>
        )
    )
    (C {<relpath>} {(DQ ($ Id.VSub_At '@'))})
  ]
)