(command.CommandList
  children: [
    (command.ShAssignment
      pairs: [
        (assign_pair
          lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'BIN='> name:BIN)
          op: assign_op.Equal
          rhs: 
            {
              (command_sub
                left_token: <Id.Left_Backtick '`'>
                child: (C {<dirname>} {($ Id.VSub_Number 0)})
                right: <Id.Backtick_Right '`'>
              )
            }
          spids: [85]
        )
      ]
      redirects: []
    )
    (command.ShAssignment
      pairs: [
        (assign_pair
          lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'cmd='> name:cmd)
          op: assign_op.Equal
          rhs: 
            {
              (command_sub
                left_token: <Id.Left_Backtick '`'>
                child: (C {<basename>} {($ Id.VSub_Number 0)})
                right: <Id.Backtick_Right '`'>
              )
            }
          spids: [94]
        )
      ]
      redirects: []
    )
    (command.ForEach
      iter_names: [d]
      iterable: 
        (for_iter.Words
          words: [
            {
              (command_sub
                left_token: <Id.Left_Backtick '`'>
                child: (C {<'/usr/bin/isalist'>})
                right: <Id.Backtick_Right '`'>
              )
            }
          ]
        )
      body: 
        (command.DoGroup
          children: [
            (command.If
              arms: [
                (if_arm
                  cond: 
                    (condition.Shell
                      commands: [
                        (command.Sentence
                          child: 
                            (C {<Id.Lit_LBracket '['>} {<-x>} 
                              {($ Id.VSub_DollarName BIN) <'/'> ($ Id.VSub_DollarName d) <'/'> 
                                ($ Id.VSub_DollarName cmd)
                              } {<Id.Lit_RBracket ']'>}
                            )
                          terminator: <Id.Op_Semi _>
                        )
                      ]
                    )
                  action: [
                    (C 
                      {($ Id.VSub_DollarName BIN) <'/'> ($ Id.VSub_DollarName d) <'/'> 
                        ($ Id.VSub_DollarName cmd)
                      } {(DQ ($ Id.VSub_At '@'))}
                    )
                    (command.ShAssignment
                      pairs: [
                        (assign_pair
                          lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'res='> name:res)
                          op: assign_op.Equal
                          rhs: {($ Id.VSub_QMark '?')}
                          spids: [148]
                        )
                      ]
                      redirects: []
                    )
                    (command.If
                      arms: [
                        (if_arm
                          cond: 
                            (condition.Shell
                              commands: [
                                (command.Sentence
                                  child: 
                                    (C {<Id.Lit_LBracket '['>} {($ Id.VSub_DollarName res)} 
                                      {<Id.KW_Bang '!'> <Id.Lit_Equals '='>} {<0>} {<Id.Lit_RBracket ']'>}
                                    )
                                  terminator: <Id.Op_Semi _>
                                )
                              ]
                            )
                          action: [
                            (command.ControlFlow
                              token: <Id.ControlFlow_Exit exit>
                              arg_word: {($ Id.VSub_DollarName res)}
                            )
                          ]
                          spids: [152 166]
                        )
                      ]
                      else_action: []
                      redirects: []
                    )
                  ]
                  spids: [119 134]
                )
              ]
              else_action: []
              redirects: []
            )
          ]
        )
      redirects: []
    )
    (command.ControlFlow token:<Id.ControlFlow_Exit exit> arg_word:{<0>})
  ]
)