(CommandList
  children: [
    (Assignment
      keyword: Assign_None
      pairs: [(assign_pair lhs:(LhsName name:dict) op:Equal rhs:{(words)} spids:[13])]
      spids: [13]
    )
    (While
      cond: [(C {(getopts)} {(SQ <'d:'>)} {(opt)})]
      body: 
        (DoGroup
          children: [
            (Case
              to_match: {($ VSub_Name '$opt')}
              arms: [
                (case_arm
                  pat_list: [{(d)}]
                  action: [
                    (Assignment
                      keyword: Assign_None
                      pairs: [
                        (assign_pair
                          lhs: (LhsName name:dict)
                          op: Equal
                          rhs: {(DQ ($ VSub_Name '$OPTARG'))}
                          spids: [40]
                        )
                      ]
                      spids: [40]
                    )
                  ]
                  spids: [37 38 46 16777215]
                )
                (case_arm
                  pat_list: [{(Lit_Other '?')}]
                  action: [
                    (Sentence
                      child: 
                        (SimpleCommand
                          words: [{(echo)} {(DQ ('Usage: spell [-d dict] [file ...]'))}]
                          redirects: [
                            (Redir
                              op_id: Redir_GreatAnd
                              fd: 16777215
                              arg_word: {(2)}
                              spids: [58]
                            )
                          ]
                        )
                      terminator: <Op_Semi ';'>
                    )
                    (ControlFlow token:<ControlFlow_Exit exit> arg_word:{(1)})
                  ]
                  spids: [49 50 16777215 67]
                )
              ]
              spids: [30 34 67]
            )
          ]
          spids: [27 69]
        )
    )
    (C {(shift)} 
      {
        (CommandSubPart
          command_list: (CommandList children:[(C {(expr)} {($ VSub_Name '$OPTIND')} {(-)} {(1)})])
          left_token: <Left_Backtick '`'>
          spids: [73 81]
        )
      }
    )
    (Case
      to_match: {(DQ ($ VSub_Name '$dict'))}
      arms: [
        (case_arm pat_list:[{(Lit_Other '*') (/) (Lit_Other '*')}] spids:[92 95 97 16777215])
        (case_arm
          pat_list: [{(Lit_Other '*')}]
          action: [
            (Assignment
              keyword: Assign_None
              pairs: [
                (assign_pair
                  lhs: (LhsName name:dict)
                  op: Equal
                  rhs: {(DQ (/usr/lib/dict/) ($ VSub_Name '$dict'))}
                  spids: [102]
                )
              ]
              spids: [102]
            )
          ]
          spids: [99 100 16777215 108]
        )
      ]
      spids: [84 90 108]
    )
    (Pipeline
      children: [
        (BraceGroup
          children: [
            (If
              arms: [
                (if_arm
                  cond: [
                    (C {(Lit_Other '[')} {($ VSub_Pound '$#')} {(Lit_Other '=')} {(0)} {(Lit_Other ']')})
                  ]
                  action: [(C {(prep)})]
                  spids: [16777215 127]
                )
              ]
              else_action: [
                (ForEach
                  iter_name: file
                  do_arg_iter: T
                  body: 
                    (DoGroup
                      children: [(C {(prep)} {(DQ ($ VSub_Name '$file'))})]
                      spids: [141 151]
                    )
                  spids: [16777215 16777215]
                )
              ]
              spids: [133 154]
            )
          ]
          spids: [111]
        )
        (BraceGroup
          children: [
            (Pipeline
              children: [(C {(sort)} {(-u)}) (C {(comm)} {(-23)} {(-)} {(DQ ($ VSub_Name '$dict'))})]
              negated: F
            )
          ]
          spids: [160]
        )
      ]
      negated: F
    )
  ]
)