(command.CommandList
  children: [
    (command.ShAssignment
      pairs: [
        (assign_pair
          lhs: (sh_lhs_expr.Name name:flags)
          op: assign_op.Equal
          rhs: {(DQ )}
          spids: [14]
        )
      ]
    )
    (command.ShAssignment
      pairs: [
        (assign_pair
          lhs: (sh_lhs_expr.Name name:realquota)
          op: assign_op.Equal
          rhs: {(DQ (command_sub left_token:<Id.Left_DollarParen '$('> child:(C {<which>} {<quota>})))}
          spids: [18]
        )
      ]
    )
    (command.WhileUntil
      keyword: <Id.KW_While while>
      cond: 
        (condition.Shell
          commands: [
            (C {<Id.Lit_LBracket '['>} {($ Id.VSub_Pound '$#')} {<-gt>} {<0>} {<Id.Lit_RBracket ']'>})
          ]
        )
      body: 
        (command.DoGroup
          children: [
            (command.Case
              to_match: {($ Id.VSub_Number '$1')}
              arms: [
                (case_arm
                  pat_list: [{<--help>}]
                  action: [
                    (command.Simple
                      words: [
                        {<echo>}
                        {
                          (DQ <'Usage: '> ($ Id.VSub_Number '$0') <' [--group --verbose --quiet -gvq]'>)
                        }
                      ]
                      redirects: [(redir op:<Id.Redir_GreatAnd '>&'> loc:(redir_loc.Fd fd:1) arg:{<2>})]
                      do_fork: T
                    )
                    (command.ControlFlow
                      token: <Id.ControlFlow_Exit exit>
                      arg_word: {<1>}
                    )
                  ]
                  spids: [51 52 70 -1]
                )
                (case_arm
                  pat_list: [{<--group>}]
                  action: [
                    (command.Sentence
                      child: 
                        (command.ShAssignment
                          pairs: [
                            (assign_pair
                              lhs: (sh_lhs_expr.Name name:flags)
                              op: assign_op.Equal
                              rhs: {(DQ ($ Id.VSub_DollarName '$flags') <' -g'>)}
                              spids: [77]
                            )
                          ]
                        )
                      terminator: <Id.Op_Semi _>
                    )
                    (C {<shift>})
                  ]
                  spids: [73 75 86 -1]
                )
                (case_arm
                  pat_list: [{<--verbose>}]
                  action: [
                    (command.Sentence
                      child: 
                        (command.ShAssignment
                          pairs: [
                            (assign_pair
                              lhs: (sh_lhs_expr.Name name:flags)
                              op: assign_op.Equal
                              rhs: {(DQ ($ Id.VSub_DollarName '$flags') <' -v'>)}
                              spids: [92]
                            )
                          ]
                        )
                      terminator: <Id.Op_Semi _>
                    )
                    (C {<shift>})
                  ]
                  spids: [89 90 101 -1]
                )
                (case_arm
                  pat_list: [{<--quiet>}]
                  action: [
                    (command.Sentence
                      child: 
                        (command.ShAssignment
                          pairs: [
                            (assign_pair
                              lhs: (sh_lhs_expr.Name name:flags)
                              op: assign_op.Equal
                              rhs: {(DQ ($ Id.VSub_DollarName '$flags') <' -q'>)}
                              spids: [107]
                            )
                          ]
                        )
                      terminator: <Id.Op_Semi _>
                    )
                    (C {<shift>})
                  ]
                  spids: [104 105 116 -1]
                )
                (case_arm
                  pat_list: [{<-->}]
                  action: [
                    (command.Sentence
                      child: (C {<shift>})
                      terminator: <Id.Op_Semi _>
                    )
                    (command.ControlFlow token:<Id.ControlFlow_Break break>)
                  ]
                  spids: [119 120 127 -1]
                )
                (case_arm
                  pat_list: [{<Id.Lit_Star '*'>}]
                  action: [
                    (command.Sentence
                      child: (command.ControlFlow token:<Id.ControlFlow_Break break>)
                      terminator: <Id.Op_Semi _>
                    )
                  ]
                  spids: [130 131 -1 140]
                )
              ]
            )
          ]
        )
    )
    (C {<exec>} {($ Id.VSub_DollarName '$realquota')} {($ Id.VSub_DollarName '$flags')} 
      {(DQ ($ Id.VSub_At '$@'))}
    )
  ]
)