(command.CommandList
  children: [
    (command.Simple
      blame_tok: <Id.Lit_Colon ':'>
      more_env: []
      words: [
        {<Id.Lit_Colon ':'>}
        {<ie>}
        {<Id.Lit_Colon ':'>}
        {<execute>}
        {<a>}
        {<command>}
        {<with>}
        {<ksh-style>}
        {<input>}
        {<editing>}
      ]
      redirects: []
      do_fork: T
    )
    (command.Simple
      blame_tok: <typeset>
      more_env: []
      words: [
        {<typeset>}
        {<env>}
        {<histfile>}
        {<show>}
        {<command>}
        {<opt>}
        {<prefix>}
        {<dll>}
        {<suffix>}
        {<ifs>}
        {<root>}
        {<path>}
        {<s>}
      ]
      redirects: []
      do_fork: T
    )
    (command.Simple
      blame_tok: <typeset>
      more_env: []
      words: [{<typeset>} {<OPT>} {<ARGV0>} {<USAGE>}]
      redirects: []
      do_fork: T
    )
    (command.ShAssignment
      left: <Id.Lit_VarLike 'command='>
      pairs: [
        (AssignPair
          left: <Id.Lit_VarLike 'command='>
          lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'command='> name:command)
          op: assign_op.Equal
          rhs: {<ie>}
        )
      ]
      redirects: []
    )
    (command.Case
      case_kw: <Id.KW_Case case>
      to_match: 
        (case_arg.Word
          w: 
            {
              (CommandSub
                left_token: <Id.Left_DollarParen '$('>
                child: 
                  (command.CommandList
                    children: [
                      (command.Sentence
                        child: 
                          (command.Simple
                            blame_tok: <getopts>
                            more_env: []
                            words: [{<getopts>} {(SQ <'[-][123:xyz]'>)} {<opt>} {<--xyz>}]
                            redirects: [
                              (Redir
                                op: <Id.Redir_Great '2>'>
                                loc: (redir_loc.Fd fd:2)
                                arg: {<'/dev/null'>}
                              )
                            ]
                            do_fork: T
                          )
                        terminator: <Id.Op_Semi _>
                      )
                      (command.Simple
                        blame_tok: <echo>
                        more_env: []
                        words: [{<echo>} {<0> ($ Id.VSub_DollarName opt)}]
                        redirects: []
                        do_fork: T
                      )
                    ]
                  )
                right: <Id.Eof_RParen _>
              )
            }
        )
      arms_start: <Id.KW_In in>
      arms: [
        (CaseArm
          left: <0123>
          pattern: (pat.Words words:[{<0123>}])
          middle: <Id.Right_CasePat _>
          action: [
            (command.ShAssignment
              left: <Id.Lit_VarLike 'ARGV0='>
              pairs: [
                (AssignPair
                  left: <Id.Lit_VarLike 'ARGV0='>
                  lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'ARGV0='> name:ARGV0)
                  op: assign_op.Equal
                  rhs: {(DQ <'-a '> ($ Id.VSub_DollarName command))}
                )
              ]
              redirects: []
            )
            (command.ShAssignment
              left: <Id.Lit_VarLike 'USAGE='>
              pairs: [
                (AssignPair
                  left: <Id.Lit_VarLike 'USAGE='>
                  lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'USAGE='> name:USAGE)
                  op: assign_op.Equal
                  rhs: 
                    {
                      (SingleQuoted
                        left: <Id.Left_DollarSingleQuote '$\''>
                        tokens: [
                          <Id.Char_Literals '\n'>
                          <Id.Char_Literals '[-?\n'>
                          <Id.Char_Literals '@(#)$Id: ie (AT&T Labs Research) 1998-11-30 $\n'>
                          <Id.Char_Literals ']\n'>
                        ]
                        right: <Id.Right_SingleQuote '\''>
                      ) ($ Id.VSub_DollarName USAGE_LICENSE) 
                      (SingleQuoted
                        left: <Id.Left_DollarSingleQuote '$\''>
                        tokens: [
                          <Id.Char_Literals '\n'>
                          <Id.Char_Literals 
'[+NAME?ie - execute a command with ksh-style input editing]\n'
                          >
                          <Id.Char_Literals '[+DESCRIPTION?'>
                          <Id.Char_OneChar '\\b'>
                          <Id.Char_Literals ie>
                          <Id.Char_OneChar '\\b'>
                          <Id.Char_Literals ' executes a dynamically linked '>
                          <Id.Char_OneChar '\\a'>
                          <Id.Char_Literals command>
                          <Id.Char_OneChar '\\a'>
                          <Id.Char_Literals '\n'>
                          <Id.Char_Literals 
'\twith ksh-style input editing on the standard input terminal. The\n'
                          >
                          <Id.Char_Literals '\tdefault history file name is '>
                          <Id.Char_OneChar '\\b'>
                          <Id.Char_Literals '$HOME/.'>
                          <Id.Char_OneChar '\\a'>
                          <Id.Char_Literals base>
                          <Id.Char_OneChar '\\a'>
                          <Id.Char_Literals ', where '>
                          <Id.Char_OneChar '\\a'>
                          <Id.Char_Literals base>
                          <Id.Char_OneChar '\\a'>
                          <Id.Char_Literals ' is\n'>
                          <Id.Char_Literals '\tthe base name of '>
                          <Id.Char_OneChar '\\a'>
                          <Id.Char_Literals command>
                          <Id.Char_OneChar '\\a'>
                          <Id.Char_Literals ' with leading ['>
                          <Id.Char_OneChar '\\b'>
                          <Id.Char_Literals nox>
                          <Id.Char_OneChar '\\b'>
                          <Id.Char_Literals ']] deleted. All processes\n'>
                          <Id.Char_Literals '\texecuted by '>
                          <Id.Char_OneChar '\\a'>
                          <Id.Char_Literals command>
                          <Id.Char_OneChar '\\a'>
                          <Id.Char_Literals ' will have input editing enabled on the same\n'>
                          <Id.Char_Literals '\thistory file.]\n'>
                          <Id.Char_Literals '[h:history?Sets the history file name to '>
                          <Id.Char_OneChar '\\a'>
                          <Id.Char_Literals path>
                          <Id.Char_OneChar '\\a'>
                          <Id.Char_Literals '.]:[path]\n'>
                          <Id.Char_Literals '[n!:exec?Execute '>
                          <Id.Char_OneChar '\\a'>
                          <Id.Char_Literals command>
                          <Id.Char_OneChar '\\a'>
                          <Id.Char_Literals '. '>
                          <Id.Char_OneChar '\\b'>
                          <Id.Char_Literals --noexec>
                          <Id.Char_OneChar '\\b'>
                          <Id.Char_Literals ' shows how '>
                          <Id.Char_OneChar '\\a'>
                          <Id.Char_Literals command>
                          <Id.Char_OneChar '\\a'>
                          <Id.Char_Literals ' would be\n'>
                          <Id.Char_Literals '\tinvoked but does not execute.]\n'>
                          <Id.Char_Literals 
'[+DETAILS?Input editing is implemented by intercepting the '
                          >
                          <Id.Char_OneChar '\\b'>
                          <Id.Char_Literals read>
                          <Id.Char_OneChar '\\b'>
                          <Id.Char_Literals '(2) system call\n'>
                          <Id.Char_Literals 
'\ton file descriptor 0 with a dll that is preloaded at process startup\n'
                          >
                          <Id.Char_Literals '\tbefore '>
                          <Id.Char_OneChar '\\a'>
                          <Id.Char_Literals main>
                          <Id.Char_OneChar '\\a'>
                          <Id.Char_Literals 
'() is called. The interception mechanism may involve the\n'
                          >
                          <Id.Char_Literals 
'\tenvironment on some systems; in those cases commands like '
                          >
                          <Id.Char_OneChar '\\b'>
                          <Id.Char_Literals env>
                          <Id.Char_OneChar '\\b'>
                          <Id.Char_Literals '(1)\n'>
                          <Id.Char_Literals 
'\tthat clear the enviroment before execution may defeat the '
                          >
                          <Id.Char_OneChar '\\b'>
                          <Id.Char_Literals ie>
                          <Id.Char_OneChar '\\b'>
                          <Id.Char_Literals '\n'>
                          <Id.Char_Literals '\tintercept.]\n'>
                          <Id.Char_Literals '[+?Also intercepted are the '>
                          <Id.Char_OneChar '\\b'>
                          <Id.Char_Literals _>
                          <Id.Char_OneChar '\\b'>
                          <Id.Char_Literals ' and '>
                          <Id.Char_OneChar '\\b'>
                          <Id.Char_Literals _libc_>
                          <Id.Char_OneChar '\\b'>
                          <Id.Char_Literals ' name permutations of the\n'>
                          <Id.Char_Literals '\t'>
                          <Id.Char_OneChar '\\b'>
                          <Id.Char_Literals read>
                          <Id.Char_OneChar '\\b'>
                          <Id.Char_Literals ' call, as well as any 32-bit and 64-bit versions. '>
                          <Id.Char_OneChar '\\b'>
                          <Id.Char_Literals ie>
                          <Id.Char_OneChar '\\b'>
                          <Id.Char_Literals '\n'>
                          <Id.Char_Literals 
'\tignores calls not present in a particular host system. In addition,\n'
                          >
                          <Id.Char_Literals '\t'>
                          <Id.Char_OneChar '\\b'>
                          <Id.Char_Literals ie>
                          <Id.Char_OneChar '\\b'>
                          <Id.Char_Literals 
' only works on dynamically linked executables that have neither\n'
                          >
                          <Id.Char_Literals 
'\tset-uid nor set-gid permissions. It may not have the intended effect\n'
                          >
                          <Id.Char_Literals 
'\ton programs written in a language or linked with a language runtime\n'
                          >
                          <Id.Char_Literals 
'\tthat hides or mangles system call library symbols, or that\n'
                          >
                          <Id.Char_Literals 
'\tdirectly emit system call instruction sequences rather than using\n'
                          >
                          <Id.Char_Literals 
'\tthe corresponding library functions, or that dynamically link\n'
                          >
                          <Id.Char_Literals '\tlibraries outside of the scope of the '>
                          <Id.Char_OneChar '\\b'>
                          <Id.Char_Literals ie>
                          <Id.Char_OneChar '\\b'>
                          <Id.Char_Literals ' intercepts.]\n'>
                          <Id.Char_Literals 
'[+?Multi-process client-server applications may misbehave if the '
                          >
                          <Id.Char_OneChar '\\b'>
                          <Id.Char_Literals ie>
                          <Id.Char_OneChar '\\b'>
                          <Id.Char_Literals '\n'>
                          <Id.Char_Literals 
'\tenvironment between the related processes is not kept in sync.]\n'
                          >
                          <Id.Char_Literals '\n'>
                          <Id.Char_Literals 'command [ arg ... ]\n'>
                          <Id.Char_Literals '\n'>
                          <Id.Char_Literals '[+ENVIRONMENT?'>
                          <Id.Char_OneChar '\\b'>
                          <Id.Char_Literals ie>
                          <Id.Char_OneChar '\\b'>
                          <Id.Char_Literals ' is implemented by two components: the '>
                          <Id.Char_OneChar '\\b'>
                          <Id.Char_Literals ie>
                          <Id.Char_OneChar '\\b'>
                          <Id.Char_Literals ' script,\n'>
                          <Id.Char_Literals '\tlocated on '>
                          <Id.Char_OneChar '\\b'>
                          <Id.Char_Literals '$PATH'>
                          <Id.Char_OneChar '\\b'>
                          <Id.Char_Literals ' and the '>
                          <Id.Char_OneChar '\\b'>
                          <Id.Char_Literals ie>
                          <Id.Char_OneChar '\\b'>
                          <Id.Char_Literals ' dll (shared library), located\n'>
                          <Id.Char_Literals '\teither on '>
                          <Id.Char_OneChar '\\b'>
                          <Id.Char_Literals '$PATH'>
                          <Id.Char_OneChar '\\b'>
                          <Id.Char_Literals ' or in one of the '>
                          <Id.Char_OneChar '\\b'>
                          <Id.Char_Literals '../lib'>
                          <Id.Char_OneChar '\\b'>
                          <Id.Char_Literals '* directories on\n'>
                          <Id.Char_Literals '\t'>
                          <Id.Char_OneChar '\\b'>
                          <Id.Char_Literals '$PATH'>
                          <Id.Char_OneChar '\\b'>
                          <Id.Char_Literals 
', depending on local compilation system conventions. Systems\n'
                          >
                          <Id.Char_Literals '\tlike '>
                          <Id.Char_OneChar '\\b'>
                          <Id.Char_Literals sgi.mips3>
                          <Id.Char_OneChar '\\b'>
                          <Id.Char_Literals ' that support multiple a.out formats may have\n'>
                          <Id.Char_Literals '\tmultiple versions of the '>
                          <Id.Char_OneChar '\\b'>
                          <Id.Char_Literals ie>
                          <Id.Char_OneChar '\\b'>
                          <Id.Char_Literals ' dll. In all cases the '>
                          <Id.Char_OneChar '\\b'>
                          <Id.Char_Literals ie>
                          <Id.Char_OneChar '\\b'>
                          <Id.Char_Literals ' script\n'>
                          <Id.Char_Literals '\thandles the dll search.]\n'>
                          <Id.Char_Literals '[+SEE ALSO?'>
                          <Id.Char_OneChar '\\b'>
                          <Id.Char_Literals 3d>
                          <Id.Char_OneChar '\\b'>
                          <Id.Char_Literals '(1), '>
                          <Id.Char_OneChar '\\b'>
                          <Id.Char_Literals sh>
                          <Id.Char_OneChar '\\b'>
                          <Id.Char_Literals '(1), '>
                          <Id.Char_OneChar '\\b'>
                          <Id.Char_Literals trace>
                          <Id.Char_OneChar '\\b'>
                          <Id.Char_Literals '(1), '>
                          <Id.Char_OneChar '\\b'>
                          <Id.Char_Literals warp>
                          <Id.Char_OneChar '\\b'>
                          <Id.Char_Literals '(1), '>
                          <Id.Char_OneChar '\\b'>
                          <Id.Char_Literals read>
                          <Id.Char_OneChar '\\b'>
                          <Id.Char_Literals '(2)]\n'>
                        ]
                        right: <Id.Right_SingleQuote '\''>
                      )
                    }
                )
              ]
              redirects: []
            )
          ]
          right: <Id.Op_DSemi _>
        )
        (CaseArm
          left: <Id.Lit_Star '*'>
          pattern: (pat.Words words:[{<Id.Lit_Star '*'>}])
          middle: <Id.Right_CasePat _>
          action: [
            (command.ShAssignment
              left: <Id.Lit_VarLike 'ARGV0='>
              pairs: [
                (AssignPair
                  left: <Id.Lit_VarLike 'ARGV0='>
                  lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'ARGV0='> name:ARGV0)
                  op: assign_op.Equal
                  rhs: {(DQ )}
                )
              ]
              redirects: []
            )
            (command.ShAssignment
              left: <Id.Lit_VarLike 'USAGE='>
              pairs: [
                (AssignPair
                  left: <Id.Lit_VarLike 'USAGE='>
                  lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'USAGE='> name:USAGE)
                  op: assign_op.Equal
                  rhs: {(SQ <'h:[history]nt command [ arg ... ]'>)}
                )
              ]
              redirects: []
            )
          ]
          right: <Id.Op_DSemi _>
        )
      ]
      arms_end: <Id.KW_Esac esac>
      redirects: []
    )
    (command.Simple
      blame_tok: <Id.Lit_Colon ':'>
      more_env: []
      words: [{<Id.Lit_Colon ':'>} {<grab>} {<the>} {<options>}]
      redirects: []
      do_fork: T
    )
    (command.WhileUntil
      keyword: <Id.KW_While while>
      cond: 
        (condition.Shell
          commands: [
            (command.Simple
              blame_tok: <getopts>
              more_env: []
              words: [
                {<getopts>}
                {($ Id.VSub_DollarName ARGV0)}
                {(DQ ($ Id.VSub_DollarName USAGE))}
                {<OPT>}
              ]
              redirects: []
              do_fork: T
            )
          ]
        )
      body: 
        (command.DoGroup
          left: <Id.KW_Do do>
          children: [
            (command.Case
              case_kw: <Id.KW_Case case>
              to_match: (case_arg.Word w:{($ Id.VSub_DollarName OPT)})
              arms_start: <Id.KW_In in>
              arms: [
                (CaseArm
                  left: <h>
                  pattern: (pat.Words words:[{<h>}])
                  middle: <Id.Right_CasePat _>
                  action: [
                    (command.ShAssignment
                      left: <Id.Lit_VarLike 'histfile='>
                      pairs: [
                        (AssignPair
                          left: <Id.Lit_VarLike 'histfile='>
                          lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'histfile='> name:histfile)
                          op: assign_op.Equal
                          rhs: {($ Id.VSub_DollarName OPTARG)}
                        )
                      ]
                      redirects: []
                    )
                  ]
                  right: <Id.Op_DSemi _>
                )
                (CaseArm
                  left: <n>
                  pattern: (pat.Words words:[{<n>}])
                  middle: <Id.Right_CasePat _>
                  action: [
                    (command.ShAssignment
                      left: <Id.Lit_VarLike 'show='>
                      pairs: [
                        (AssignPair
                          left: <Id.Lit_VarLike 'show='>
                          lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'show='> name:show)
                          op: assign_op.Equal
                          rhs: {<print>}
                        )
                      ]
                      redirects: []
                    )
                  ]
                  right: <Id.Op_DSemi _>
                )
                (CaseArm
                  left: <Id.Lit_Star '*'>
                  pattern: (pat.Words words:[{<Id.Lit_Star '*'>}])
                  middle: <Id.Right_CasePat _>
                  action: [(command.ControlFlow keyword:<Id.ControlFlow_Exit exit> arg_word:{<2>})]
                  right: <Id.Op_DSemi _>
                )
              ]
              arms_end: <Id.KW_Esac esac>
              redirects: []
            )
          ]
          right: <Id.KW_Done done>
        )
      redirects: []
    )
    (command.Simple
      blame_tok: <shift>
      more_env: []
      words: [{<shift>} {($ Id.VSub_DollarName OPTIND) <-1>}]
      redirects: []
      do_fork: T
    )
    (command.Case
      case_kw: <Id.KW_Case case>
      to_match: (case_arg.Word w:{($ Id.VSub_Pound '#')})
      arms_start: <Id.KW_In in>
      arms: [
        (CaseArm
          left: <0>
          pattern: (pat.Words words:[{<0>}])
          middle: <Id.Right_CasePat _>
          action: [
            (command.Sentence
              child: 
                (command.Simple
                  blame_tok: <set>
                  more_env: []
                  words: [{<set>} {<-->} {(SQ <'-?'>)}]
                  redirects: []
                  do_fork: T
                )
              terminator: <Id.Op_Semi _>
            )
            (command.Sentence
              child: 
                (command.Simple
                  blame_tok: <getopts>
                  more_env: []
                  words: [
                    {<getopts>}
                    {($ Id.VSub_DollarName ARGV0)}
                    {(DQ ($ Id.VSub_DollarName USAGE))}
                    {<OPT>}
                  ]
                  redirects: []
                  do_fork: T
                )
              terminator: <Id.Op_Semi _>
            )
            (command.ControlFlow keyword:<Id.ControlFlow_Exit exit> arg_word:{<2>})
          ]
          right: <Id.Op_DSemi _>
        )
      ]
      arms_end: <Id.KW_Esac esac>
      redirects: []
    )
    (command.Simple
      blame_tok: <Id.Lit_Colon ':'>
      more_env: []
      words: [{<Id.Lit_Colon ':'>} {<history>} {<file>} {<hooks>}]
      redirects: []
      do_fork: T
    )
    (command.If
      if_kw: <Id.KW_If if>
      arms: [
        (IfArm
          keyword: <Id.KW_If if>
          cond: 
            (condition.Shell
              commands: [
                (command.Simple
                  blame_tok: <test>
                  more_env: []
                  words: [{<test>} {<-x>} {(DQ ($ Id.VSub_Number 1))}]
                  redirects: []
                  do_fork: T
                )
              ]
            )
          then_kw: <Id.KW_Then then>
          action: [
            (command.ShAssignment
              left: <Id.Lit_VarLike 'command='>
              pairs: [
                (AssignPair
                  left: <Id.Lit_VarLike 'command='>
                  lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'command='> name:command)
                  op: assign_op.Equal
                  rhs: {($ Id.VSub_Number 1)}
                )
              ]
              redirects: []
            )
          ]
          spids: [491 501]
        )
      ]
      else_kw: <Id.KW_Else else>
      else_action: [
        (command.ShAssignment
          left: <Id.Lit_VarLike 'command='>
          pairs: [
            (AssignPair
              left: <Id.Lit_VarLike 'command='>
              lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'command='> name:command)
              op: assign_op.Equal
              rhs: 
                {
                  (CommandSub
                    left_token: <Id.Left_DollarParen '$('>
                    child: 
                      (command.Simple
                        blame_tok: <whence>
                        more_env: []
                        words: [{<whence>} {($ Id.VSub_Number 1)}]
                        redirects: []
                        do_fork: T
                      )
                    right: <Id.Eof_RParen _>
                  )
                }
            )
          ]
          redirects: []
        )
      ]
      fi_kw: <Id.KW_Fi fi>
      redirects: []
    )
    (command.Simple blame_tok:<shift> more_env:[] words:[{<shift>}] redirects:[] do_fork:T)
    (command.Case
      case_kw: <Id.KW_Case case>
      to_match: (case_arg.Word w:{($ Id.VSub_DollarName histfile)})
      arms_start: <Id.KW_In in>
      arms: [
        (CaseArm
          left: <Id.Left_SingleQuote '\''>
          pattern: (pat.Words words:[{(SQ )}])
          middle: <Id.Right_CasePat _>
          action: [
            (command.ShAssignment
              left: <Id.Lit_VarLike 'histfile='>
              pairs: [
                (AssignPair
                  left: <Id.Lit_VarLike 'histfile='>
                  lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'histfile='> name:histfile)
                  op: assign_op.Equal
                  rhs: 
                    {
                      (BracedVarSub
                        left: <Id.Left_DollarBrace '${'>
                        token: <Id.VSub_Name command>
                        var_name: command
                        suffix_op: 
                          (suffix_op.Unary
                            op: <Id.VOp1_DPound '##'>
                            arg_word: {<Id.Lit_Other '*'> <Id.Lit_Slash '/'>}
                          )
                        right: <Id.Right_DollarBrace '}'>
                      )
                    }
                )
              ]
              redirects: []
            )
            (command.Case
              case_kw: <Id.KW_Case case>
              to_match: (case_arg.Word w:{($ Id.VSub_DollarName histfile)})
              arms_start: <Id.KW_In in>
              arms: [
                (CaseArm
                  left: <Id.Lit_LBracket '['>
                  pattern: 
                    (pat.Words
                      words: [
                        {<Id.Lit_LBracket '['> <nox> <Id.Lit_RBracket ']'> <Id.Lit_QMark '?'> 
                          <Id.Lit_Star '*'>
                        }
                      ]
                    )
                  middle: <Id.Right_CasePat _>
                  action: [
                    (command.ShAssignment
                      left: <Id.Lit_VarLike 'histfile='>
                      pairs: [
                        (AssignPair
                          left: <Id.Lit_VarLike 'histfile='>
                          lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'histfile='> name:histfile)
                          op: assign_op.Equal
                          rhs: 
                            {
                              (BracedVarSub
                                left: <Id.Left_DollarBrace '${'>
                                token: <Id.VSub_Name histfile>
                                var_name: histfile
                                suffix_op: 
                                  (suffix_op.Unary
                                    op: <Id.VOp1_Pound '#'>
                                    arg_word: {<Id.Lit_Other '?'>}
                                  )
                                right: <Id.Right_DollarBrace '}'>
                              )
                            }
                        )
                      ]
                      redirects: []
                    )
                  ]
                  right: <Id.Op_DSemi _>
                )
              ]
              arms_end: <Id.KW_Esac esac>
              redirects: []
            )
            (command.ShAssignment
              left: <Id.Lit_VarLike 'histfile='>
              pairs: [
                (AssignPair
                  left: <Id.Lit_VarLike 'histfile='>
                  lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'histfile='> name:histfile)
                  op: assign_op.Equal
                  rhs: {($ Id.VSub_DollarName HOME) <'/.'> ($ Id.VSub_DollarName histfile)}
                )
              ]
              redirects: []
            )
          ]
          right: <Id.Op_DSemi _>
        )
      ]
      arms_end: <Id.KW_Esac esac>
      redirects: []
    )
    (command.Simple
      blame_tok: <Id.Lit_Colon ':'>
      more_env: []
      words: [{<Id.Lit_Colon ':'>} {<find>} {<the>} {<dll>} {<root>} {<dir>}]
      redirects: []
      do_fork: T
    )
    (command.ShAssignment
      left: <Id.Lit_VarLike 'ifs='>
      pairs: [
        (AssignPair
          left: <Id.Lit_VarLike 'ifs='>
          lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'ifs='> name:ifs)
          op: assign_op.Equal
          rhs: 
            {
              (BracedVarSub
                left: <Id.Left_DollarBrace '${'>
                token: <Id.VSub_Name IFS>
                var_name: IFS
                suffix_op: (suffix_op.Unary op:<Id.VTest_Hyphen _> arg_word:{(SQ <'\n'> <'\t '>)})
                right: <Id.Right_DollarBrace '}'>
              )
            }
        )
      ]
      redirects: []
    )
    (command.ShAssignment
      left: <Id.Lit_VarLike 'IFS='>
      pairs: [
        (AssignPair
          left: <Id.Lit_VarLike 'IFS='>
          lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'IFS='> name:IFS)
          op: assign_op.Equal
          rhs: {<Id.Lit_Colon ':'>}
        )
      ]
      redirects: []
    )
    (command.Simple
      blame_tok: <set>
      more_env: []
      words: [{<set>} {<-A>} {<path>} {($ Id.VSub_DollarName PATH)}]
      redirects: []
      do_fork: T
    )
    (command.ShAssignment
      left: <Id.Lit_VarLike 'IFS='>
      pairs: [
        (AssignPair
          left: <Id.Lit_VarLike 'IFS='>
          lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'IFS='> name:IFS)
          op: assign_op.Equal
          rhs: {($ Id.VSub_DollarName ifs)}
        )
      ]
      redirects: []
    )
    (command.ForEach
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      iter_names: [root]
      iterable: 
        (for_iter.Words
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            {
              (BracedVarSub
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                token: <Id.VSub_Name path>
                var_name: path
                bracket_op: (bracket_op.WholeArray op_id:Id.Lit_At)
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              )
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          ]
        )
      body: 
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                  rhs: 
                    {
                      (BracedVarSub
                        left: <Id.Left_DollarBrace '${'>
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                        var_name: root
                        suffix_op: 
                          (suffix_op.Unary
                            op: <Id.VOp1_Percent '%'>
                            arg_word: {<Id.Lit_Slash '/'> <Id.Lit_Other '*'>}
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                        right: <Id.Right_DollarBrace '}'>
                      )
                    }
                )
              ]
              redirects: []
            )
            (command.Simple
              blame_tok: <set>
              more_env: []
              words: [
                {<set>}
                {<-A>}
                {<lib>}
                {($ Id.VSub_DollarName root) <'/'> 
                  (word_part.ExtGlob
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                    right: <Id.Right_ExtGlob _>
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                  (word_part.ExtGlob
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                    arms: [{<'[0-9]'>}]
                    right: <Id.Right_ExtGlob _>
                  ) <.> 
                  (word_part.ExtGlob
                    op: <Id.ExtGlob_At '@('>
                    arms: [
                      {<dll>}
                      {<'s[ol]'> 
                        (word_part.ExtGlob
                          op: <Id.ExtGlob_Star '*('>
                          arms: [{<'[0-9.]'>}]
                          right: <Id.Right_ExtGlob _>
                        )
                      }
                    ]
                    right: <Id.Right_ExtGlob _>
                  )
                }
              ]
              redirects: []
              do_fork: T
            )
            (command.ShAssignment
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              pairs: [
                (AssignPair
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                  lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'dll='> name:dll)
                  op: assign_op.Equal
                  rhs: 
                    {
                      (BracedVarSub
                        left: <Id.Left_DollarBrace '${'>
                        token: <Id.VSub_Name lib>
                        var_name: lib
                        bracket_op: 
                          (bracket_op.ArrayIndex
                            expr: 
                              (arith_expr.Binary
                                op_id: Id.Arith_Minus
                                left: 
                                  {
                                    (BracedVarSub
                                      left: <Id.Left_DollarBrace '${'>
                                      token: <Id.VSub_Name lib>
                                      var_name: lib
                                      prefix_op: <Id.VSub_Pound '#'>
                                      bracket_op: (bracket_op.WholeArray op_id:Id.Lit_At)
                                      right: <Id.Right_DollarBrace '}'>
                                    )
                                  }
                                right: {<Id.Lit_Digits 1>}
                              )
                          )
                        right: <Id.Right_DollarBrace '}'>
                      )
                    }
                )
              ]
              redirects: []
            )
            (command.If
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              arms: [
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                  cond: 
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                          more_env: []
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                          redirects: []
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                    )
                  then_kw: <Id.KW_Then then>
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              else_action: []
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              redirects: []
            )
          ]
          right: <Id.KW_Done done>
        )
      redirects: []
    )
    (command.ShAssignment
      left: <Id.Lit_VarLike 'prefix='>
      pairs: [
        (AssignPair
          left: <Id.Lit_VarLike 'prefix='>
          lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'prefix='> name:prefix)
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          rhs: 
            {
              (BracedVarSub
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                var_name: dll
                suffix_op: 
                  (suffix_op.Unary
                    op: <Id.VOp1_Percent '%'>
                    arg_word: 
                      {<.> 
                        (word_part.ExtGlob
                          op: <Id.ExtGlob_At '@('>
                          arms: [
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                            {<'s[ol]'> 
                              (word_part.ExtGlob
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                                right: <Id.Right_ExtGlob _>
                              )
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                          ]
                          right: <Id.Right_ExtGlob _>
                        )
                      }
                  )
                right: <Id.Right_DollarBrace '}'>
              )
            }
        )
      ]
      redirects: []
    )
    (command.ShAssignment
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      pairs: [
        (AssignPair
          left: <Id.Lit_VarLike 'suffix='>
          lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'suffix='> name:suffix)
          op: assign_op.Equal
          rhs: 
            {
              (BracedVarSub
                left: <Id.Left_DollarBrace '${'>
                token: <Id.VSub_Name dll>
                var_name: dll
                suffix_op: 
                  (suffix_op.Unary
                    op: <Id.VOp1_DPound '##'>
                    arg_word: {($ Id.VSub_DollarName prefix)}
                  )
                right: <Id.Right_DollarBrace '}'>
              )
            }
        )
      ]
      redirects: []
    )
    (command.ShAssignment
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      pairs: [
        (AssignPair
          left: <Id.Lit_VarLike 'prefix='>
          lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'prefix='> name:prefix)
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          rhs: 
            {
              (BracedVarSub
                left: <Id.Left_DollarBrace '${'>
                token: <Id.VSub_Name prefix>
                var_name: prefix
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                  (suffix_op.Unary
                    op: <Id.VOp1_Pound '#'>
                    arg_word: {($ Id.VSub_DollarName root) <Id.Lit_Slash '/'>}
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              )
            }
        )
      ]
      redirects: []
    )
    (command.Simple
      blame_tok: <Id.Lit_Colon ':'>
      more_env: []
      words: [
        {<Id.Lit_Colon ':'>}
        {<hack>}
        {<the>}
        {<preload>}
        {<magic> <Id.Lit_Comma ','>}
        {<and>}
        {<we>}
        {<mean>}
        {<hack>}
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      redirects: []
      do_fork: T
    )
    (command.ShAssignment
      left: <Id.Lit_VarLike 'env='>
      pairs: [
        (AssignPair
          left: <Id.Lit_VarLike 'env='>
          lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'env='> name:env)
          op: assign_op.Equal
          rhs: 
            {
              (DQ <'HISTFILE=\''> ($ Id.VSub_DollarName histfile) <'\' LD_PRELOAD=\''> 
                ($ Id.VSub_DollarName root) <'/'> ($ Id.VSub_DollarName prefix) ($ Id.VSub_DollarName suffix) 
                (BracedVarSub
                  left: <Id.Left_DollarBrace '${'>
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                  var_name: LD_PRELOAD
                  suffix_op: 
                    (suffix_op.Unary
                      op: <Id.VTest_ColonPlus _>
                      arg_word: {<' '> ($ Id.VSub_DollarName LD_PRELOAD)}
                    )
                  right: <Id.Right_DollarBrace '}'>
                ) <'\''>
              )
            }
        )
      ]
      redirects: []
    )
    (command.Case
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      to_match: (case_arg.Word w:{($ Id.VSub_DollarName root)})
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              pairs: [
                (AssignPair
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                    {
                      (DQ ($ Id.VSub_DollarName env) <' _RLDN32_LIST='> ($ Id.VSub_DollarName root) 
                        <'/'> ($ Id.VSub_DollarName prefix) ($ Id.VSub_DollarName suffix)
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                )
              ]
              redirects: []
            )
            (command.Case
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              to_match: (case_arg.Word w:{($ Id.VSub_DollarName _RLDN32_LIST)})
              arms_start: <Id.KW_In in>
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                  pattern: (pat.Words words:[{(DQ )}])
                  middle: <Id.Right_CasePat _>
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                      pairs: [
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                      redirects: []
                    )
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                  right: <Id.Op_DSemi _>
                )
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                  pattern: (pat.Words words:[{<Id.Lit_Star '*'>}])
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                      pairs: [
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                          rhs: 
                            {
                              (DQ ($ Id.VSub_DollarName env) <':'> ($ Id.VSub_DollarName _RLDN32_LIST))
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                        )
                      ]
                      redirects: []
                    )
                  ]
                  right: <Id.Op_DSemi _>
                )
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              arms_end: <Id.KW_Esac esac>
              redirects: []
            )
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          right: <Id.Op_DSemi _>
        )
        (CaseArm
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          middle: <Id.Right_CasePat _>
          action: [
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              arms: [
                (IfArm
                  keyword: <Id.KW_If if>
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                              (DQ ($ Id.VSub_DollarName env) <' _RLD64_LIST='> 
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                        )
                      ]
                      redirects: []
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                              redirects: []
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                          right: <Id.Op_DSemi _>
                        )
                        (CaseArm
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                                        ($ Id.VSub_DollarName _RLD64_LIST)
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                              redirects: []
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                      arms_end: <Id.KW_Esac esac>
                      redirects: []
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                            {
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                      redirects: []
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                    (command.Case
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                      to_match: (case_arg.Word w:{($ Id.VSub_DollarName _RLDN32_LIST)})
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                              redirects: []
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                        )
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                                    {
                                      (DQ ($ Id.VSub_DollarName env) <':'> 
                                        ($ Id.VSub_DollarName _RLDN32_LIST)
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                                )
                              ]
                              redirects: []
                            )
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                          right: <Id.Op_DSemi _>
                        )
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                            {
                              (DQ ($ Id.VSub_DollarName env) <' _RLD_LIST='> 
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                      ]
                      redirects: []
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                      to_match: (case_arg.Word w:{($ Id.VSub_DollarName _RLD_LIST)})
                      arms_start: <Id.KW_In in>
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                        )
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                      redirects: []
                    )
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                              ($ Id.VSub_DollarName suffix)
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                              )
                            }
                        )
                      ]
                      redirects: []
                    )
                    (command.Case
                      case_kw: <Id.KW_Case case>
                      to_match: (case_arg.Word w:{($ Id.VSub_DollarName _RLD64_LIST)})
                      arms_start: <Id.KW_In in>
                      arms: [
                        (CaseArm
                          left: <Id.Left_DoubleQuote '"'>
                          pattern: (pat.Words words:[{(DQ )}])
                          middle: <Id.Right_CasePat _>
                          action: [
                            (command.ShAssignment
                              left: <Id.Lit_VarLike 'env='>
                              pairs: [
                                (AssignPair
                                  left: <Id.Lit_VarLike 'env='>
                                  lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'env='> name:env)
                                  op: assign_op.Equal
                                  rhs: {(DQ ($ Id.VSub_DollarName env) <':DEFAULT'>)}
                                )
                              ]
                              redirects: []
                            )
                          ]
                          right: <Id.Op_DSemi _>
                        )
                        (CaseArm
                          left: <Id.Lit_Star '*'>
                          pattern: (pat.Words words:[{<Id.Lit_Star '*'>}])
                          middle: <Id.Right_CasePat _>
                          action: [
                            (command.ShAssignment
                              left: <Id.Lit_VarLike 'env='>
                              pairs: [
                                (AssignPair
                                  left: <Id.Lit_VarLike 'env='>
                                  lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'env='> name:env)
                                  op: assign_op.Equal
                                  rhs: 
                                    {
                                      (DQ ($ Id.VSub_DollarName env) <':'> 
                                        ($ Id.VSub_DollarName _RLD64_LIST)
                                      )
                                    }
                                )
                              ]
                              redirects: []
                            )
                          ]
                          right: <Id.Op_DSemi _>
                        )
                      ]
                      arms_end: <Id.KW_Esac esac>
                      redirects: []
                    )
                    (command.ShAssignment
                      left: <Id.Lit_VarLike 'env='>
                      pairs: [
                        (AssignPair
                          left: <Id.Lit_VarLike 'env='>
                          lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'env='> name:env)
                          op: assign_op.Equal
                          rhs: 
                            {
                              (DQ ($ Id.VSub_DollarName env) <' _RLDN32_LIST='> 
                                ($ Id.VSub_DollarName dll)
                              )
                            }
                        )
                      ]
                      redirects: []
                    )
                    (command.Case
                      case_kw: <Id.KW_Case case>
                      to_match: (case_arg.Word w:{($ Id.VSub_DollarName _RLDN32_LIST)})
                      arms_start: <Id.KW_In in>
                      arms: [
                        (CaseArm
                          left: <Id.Left_DoubleQuote '"'>
                          pattern: (pat.Words words:[{(DQ )}])
                          middle: <Id.Right_CasePat _>
                          action: [
                            (command.ShAssignment
                              left: <Id.Lit_VarLike 'env='>
                              pairs: [
                                (AssignPair
                                  left: <Id.Lit_VarLike 'env='>
                                  lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'env='> name:env)
                                  op: assign_op.Equal
                                  rhs: {(DQ ($ Id.VSub_DollarName env) <':DEFAULT'>)}
                                )
                              ]
                              redirects: []
                            )
                          ]
                          right: <Id.Op_DSemi _>
                        )
                        (CaseArm
                          left: <Id.Lit_Star '*'>
                          pattern: (pat.Words words:[{<Id.Lit_Star '*'>}])
                          middle: <Id.Right_CasePat _>
                          action: [
                            (command.ShAssignment
                              left: <Id.Lit_VarLike 'env='>
                              pairs: [
                                (AssignPair
                                  left: <Id.Lit_VarLike 'env='>
                                  lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'env='> name:env)
                                  op: assign_op.Equal
                                  rhs: 
                                    {
                                      (DQ ($ Id.VSub_DollarName env) <':'> 
                                        ($ Id.VSub_DollarName _RLDN32_LIST)
                                      )
                                    }
                                )
                              ]
                              redirects: []
                            )
                          ]
                          right: <Id.Op_DSemi _>
                        )
                      ]
                      arms_end: <Id.KW_Esac esac>
                      redirects: []
                    )
                    (command.ShAssignment
                      left: <Id.Lit_VarLike 'env='>
                      pairs: [
                        (AssignPair
                          left: <Id.Lit_VarLike 'env='>
                          lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'env='> name:env)
                          op: assign_op.Equal
                          rhs: 
                            {
                              (DQ ($ Id.VSub_DollarName env) <' _RLD_LIST='> 
                                ($ Id.VSub_DollarName root) <'/'> ($ Id.VSub_DollarName prefix) <-o32> ($ Id.VSub_DollarName suffix)
                              )
                            }
                        )
                      ]
                      redirects: []
                    )
                    (command.Case
                      case_kw: <Id.KW_Case case>
                      to_match: (case_arg.Word w:{($ Id.VSub_DollarName _RLD_LIST)})
                      arms_start: <Id.KW_In in>
                      arms: [
                        (CaseArm
                          left: <Id.Left_DoubleQuote '"'>
                          pattern: (pat.Words words:[{(DQ )}])
                          middle: <Id.Right_CasePat _>
                          action: [
                            (command.ShAssignment
                              left: <Id.Lit_VarLike 'env='>
                              pairs: [
                                (AssignPair
                                  left: <Id.Lit_VarLike 'env='>
                                  lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'env='> name:env)
                                  op: assign_op.Equal
                                  rhs: {(DQ ($ Id.VSub_DollarName env) <':DEFAULT'>)}
                                )
                              ]
                              redirects: []
                            )
                          ]
                          right: <Id.Op_DSemi _>
                        )
                        (CaseArm
                          left: <Id.Lit_Star '*'>
                          pattern: (pat.Words words:[{<Id.Lit_Star '*'>}])
                          middle: <Id.Right_CasePat _>
                          action: [
                            (command.ShAssignment
                              left: <Id.Lit_VarLike 'env='>
                              pairs: [
                                (AssignPair
                                  left: <Id.Lit_VarLike 'env='>
                                  lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'env='> name:env)
                                  op: assign_op.Equal
                                  rhs: 
                                    {
                                      (DQ ($ Id.VSub_DollarName env) <':'> 
                                        ($ Id.VSub_DollarName _RLD_LIST)
                                      )
                                    }
                                )
                              ]
                              redirects: []
                            )
                          ]
                          right: <Id.Op_DSemi _>
                        )
                      ]
                      arms_end: <Id.KW_Esac esac>
                      redirects: []
                    )
                  ]
                  spids: [991 1014]
                )
              ]
              else_kw: <Id.KW_Else else>
              else_action: [
                (command.Case
                  case_kw: <Id.KW_Case case>
                  to_match: (case_arg.Word w:{($ Id.VSub_DollarName root)})
                  arms_start: <Id.KW_In in>
                  arms: [
                    (CaseArm
                      left: <Id.Lit_Star '*'>
                      pattern: 
                        (pat.Words
                          words: [
                            {<Id.Lit_Star '*'> <'/sgi.mips'> <Id.Lit_LBracket '['> <2-9> 
                              <Id.Lit_RBracket ']'> <Id.Lit_Star '*'>
                            }
                          ]
                        )
                      middle: <Id.Right_CasePat _>
                      action: [
                        (command.ShAssignment
                          left: <Id.Lit_VarLike 'root='>
                          pairs: [
                            (AssignPair
                              left: <Id.Lit_VarLike 'root='>
                              lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'root='> name:root)
                              op: assign_op.Equal
                              rhs: 
                                {
                                  (BracedVarSub
                                    left: <Id.Left_DollarBrace '${'>
                                    token: <Id.VSub_Name root>
                                    var_name: root
                                    suffix_op: 
                                      (suffix_op.Unary
                                        op: <Id.VOp1_Percent '%'>
                                        arg_word: {<-> <Id.Lit_Other '*'>}
                                      )
                                    right: <Id.Right_DollarBrace '}'>
                                  )
                                }
                            )
                          ]
                          redirects: []
                        )
                        (command.ShAssignment
                          left: <Id.Lit_VarLike 'root='>
                          pairs: [
                            (AssignPair
                              left: <Id.Lit_VarLike 'root='>
                              lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'root='> name:root)
                              op: assign_op.Equal
                              rhs: 
                                {
                                  (BracedVarSub
                                    left: <Id.Left_DollarBrace '${'>
                                    token: <Id.VSub_Name root>
                                    var_name: root
                                    suffix_op: 
                                      (suffix_op.Unary
                                        op: <Id.VOp1_Percent '%'>
                                        arg_word: {<Id.Lit_Other '?'>}
                                      )
                                    right: <Id.Right_DollarBrace '}'>
                                  )
                                }
                            )
                          ]
                          redirects: []
                        )
                        (command.ShAssignment
                          left: <Id.Lit_VarLike 'env='>
                          pairs: [
                            (AssignPair
                              left: <Id.Lit_VarLike 'env='>
                              lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'env='> name:env)
                              op: assign_op.Equal
                              rhs: 
                                {
                                  (DQ ($ Id.VSub_DollarName env) <' _RLD64_LIST='> 
                                    (${ Id.VSub_Name root) <'4/'> ($ Id.VSub_DollarName prefix) ($ Id.VSub_DollarName suffix)
                                  )
                                }
                            )
                          ]
                          redirects: []
                        )
                        (command.Case
                          case_kw: <Id.KW_Case case>
                          to_match: (case_arg.Word w:{($ Id.VSub_DollarName _RLD64_LIST)})
                          arms_start: <Id.KW_In in>
                          arms: [
                            (CaseArm
                              left: <Id.Left_DoubleQuote '"'>
                              pattern: (pat.Words words:[{(DQ )}])
                              middle: <Id.Right_CasePat _>
                              action: [
                                (command.ShAssignment
                                  left: <Id.Lit_VarLike 'env='>
                                  pairs: [
                                    (AssignPair
                                      left: <Id.Lit_VarLike 'env='>
                                      lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'env='> name:env)
                                      op: assign_op.Equal
                                      rhs: {(DQ ($ Id.VSub_DollarName env) <':DEFAULT'>)}
                                    )
                                  ]
                                  redirects: []
                                )
                              ]
                              right: <Id.Op_DSemi _>
                            )
                            (CaseArm
                              left: <Id.Lit_Star '*'>
                              pattern: (pat.Words words:[{<Id.Lit_Star '*'>}])
                              middle: <Id.Right_CasePat _>
                              action: [
                                (command.ShAssignment
                                  left: <Id.Lit_VarLike 'env='>
                                  pairs: [
                                    (AssignPair
                                      left: <Id.Lit_VarLike 'env='>
                                      lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'env='> name:env)
                                      op: assign_op.Equal
                                      rhs: 
                                        {
                                          (DQ ($ Id.VSub_DollarName env) <':'> 
                                            ($ Id.VSub_DollarName _RLD64_LIST)
                                          )
                                        }
                                    )
                                  ]
                                  redirects: []
                                )
                              ]
                              right: <Id.Op_DSemi _>
                            )
                          ]
                          arms_end: <Id.KW_Esac esac>
                          redirects: []
                        )
                        (command.ShAssignment
                          left: <Id.Lit_VarLike 'env='>
                          pairs: [
                            (AssignPair
                              left: <Id.Lit_VarLike 'env='>
                              lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'env='> name:env)
                              op: assign_op.Equal
                              rhs: 
                                {
                                  (DQ ($ Id.VSub_DollarName env) <' _RLDN32_LIST='> 
                                    (${ Id.VSub_Name root) <'3/'> ($ Id.VSub_DollarName prefix) ($ Id.VSub_DollarName suffix)
                                  )
                                }
                            )
                          ]
                          redirects: []
                        )
                        (command.Case
                          case_kw: <Id.KW_Case case>
                          to_match: (case_arg.Word w:{($ Id.VSub_DollarName _RLDN32_LIST)})
                          arms_start: <Id.KW_In in>
                          arms: [
                            (CaseArm
                              left: <Id.Left_DoubleQuote '"'>
                              pattern: (pat.Words words:[{(DQ )}])
                              middle: <Id.Right_CasePat _>
                              action: [
                                (command.ShAssignment
                                  left: <Id.Lit_VarLike 'env='>
                                  pairs: [
                                    (AssignPair
                                      left: <Id.Lit_VarLike 'env='>
                                      lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'env='> name:env)
                                      op: assign_op.Equal
                                      rhs: {(DQ ($ Id.VSub_DollarName env) <':DEFAULT'>)}
                                    )
                                  ]
                                  redirects: []
                                )
                              ]
                              right: <Id.Op_DSemi _>
                            )
                            (CaseArm
                              left: <Id.Lit_Star '*'>
                              pattern: (pat.Words words:[{<Id.Lit_Star '*'>}])
                              middle: <Id.Right_CasePat _>
                              action: [
                                (command.ShAssignment
                                  left: <Id.Lit_VarLike 'env='>
                                  pairs: [
                                    (AssignPair
                                      left: <Id.Lit_VarLike 'env='>
                                      lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'env='> name:env)
                                      op: assign_op.Equal
                                      rhs: 
                                        {
                                          (DQ ($ Id.VSub_DollarName env) <':'> 
                                            ($ Id.VSub_DollarName _RLDN32_LIST)
                                          )
                                        }
                                    )
                                  ]
                                  redirects: []
                                )
                              ]
                              right: <Id.Op_DSemi _>
                            )
                          ]
                          arms_end: <Id.KW_Esac esac>
                          redirects: []
                        )
                        (command.ShAssignment
                          left: <Id.Lit_VarLike 'env='>
                          pairs: [
                            (AssignPair
                              left: <Id.Lit_VarLike 'env='>
                              lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'env='> name:env)
                              op: assign_op.Equal
                              rhs: 
                                {
                                  (DQ ($ Id.VSub_DollarName env) <' _RLD_LIST='> (${ Id.VSub_Name root) 
                                    <'2/'> ($ Id.VSub_DollarName prefix) ($ Id.VSub_DollarName suffix)
                                  )
                                }
                            )
                          ]
                          redirects: []
                        )
                        (command.Case
                          case_kw: <Id.KW_Case case>
                          to_match: (case_arg.Word w:{($ Id.VSub_DollarName _RLD_LIST)})
                          arms_start: <Id.KW_In in>
                          arms: [
                            (CaseArm
                              left: <Id.Left_DoubleQuote '"'>
                              pattern: (pat.Words words:[{(DQ )}])
                              middle: <Id.Right_CasePat _>
                              action: [
                                (command.ShAssignment
                                  left: <Id.Lit_VarLike 'env='>
                                  pairs: [
                                    (AssignPair
                                      left: <Id.Lit_VarLike 'env='>
                                      lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'env='> name:env)
                                      op: assign_op.Equal
                                      rhs: {(DQ ($ Id.VSub_DollarName env) <':DEFAULT'>)}
                                    )
                                  ]
                                  redirects: []
                                )
                              ]
                              right: <Id.Op_DSemi _>
                            )
                            (CaseArm
                              left: <Id.Lit_Star '*'>
                              pattern: (pat.Words words:[{<Id.Lit_Star '*'>}])
                              middle: <Id.Right_CasePat _>
                              action: [
                                (command.ShAssignment
                                  left: <Id.Lit_VarLike 'env='>
                                  pairs: [
                                    (AssignPair
                                      left: <Id.Lit_VarLike 'env='>
                                      lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'env='> name:env)
                                      op: assign_op.Equal
                                      rhs: 
                                        {
                                          (DQ ($ Id.VSub_DollarName env) <':'> 
                                            ($ Id.VSub_DollarName _RLD_LIST)
                                          )
                                        }
                                    )
                                  ]
                                  redirects: []
                                )
                              ]
                              right: <Id.Op_DSemi _>
                            )
                          ]
                          arms_end: <Id.KW_Esac esac>
                          redirects: []
                        )
                      ]
                      right: <Id.Op_DSemi _>
                    )
                    (CaseArm
                      left: <Id.Lit_Star '*'>
                      pattern: (pat.Words words:[{<Id.Lit_Star '*'>}])
                      middle: <Id.Right_CasePat _>
                      action: [
                        (command.ShAssignment
                          left: <Id.Lit_VarLike 'env='>
                          pairs: [
                            (AssignPair
                              left: <Id.Lit_VarLike 'env='>
                              lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'env='> name:env)
                              op: assign_op.Equal
                              rhs: 
                                {
                                  (DQ ($ Id.VSub_DollarName env) <' _RLD_LIST='> (${ Id.VSub_Name root) 
                                    <'/'> ($ Id.VSub_DollarName prefix) ($ Id.VSub_DollarName suffix)
                                  )
                                }
                            )
                          ]
                          redirects: []
                        )
                        (command.Case
                          case_kw: <Id.KW_Case case>
                          to_match: (case_arg.Word w:{($ Id.VSub_DollarName _RLD_LIST)})
                          arms_start: <Id.KW_In in>
                          arms: [
                            (CaseArm
                              left: <Id.Left_DoubleQuote '"'>
                              pattern: (pat.Words words:[{(DQ )}])
                              middle: <Id.Right_CasePat _>
                              action: [
                                (command.ShAssignment
                                  left: <Id.Lit_VarLike 'env='>
                                  pairs: [
                                    (AssignPair
                                      left: <Id.Lit_VarLike 'env='>
                                      lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'env='> name:env)
                                      op: assign_op.Equal
                                      rhs: {(DQ ($ Id.VSub_DollarName env) <':DEFAULT'>)}
                                    )
                                  ]
                                  redirects: []
                                )
                              ]
                              right: <Id.Op_DSemi _>
                            )
                            (CaseArm
                              left: <Id.Lit_Star '*'>
                              pattern: (pat.Words words:[{<Id.Lit_Star '*'>}])
                              middle: <Id.Right_CasePat _>
                              action: [
                                (command.ShAssignment
                                  left: <Id.Lit_VarLike 'env='>
                                  pairs: [
                                    (AssignPair
                                      left: <Id.Lit_VarLike 'env='>
                                      lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'env='> name:env)
                                      op: assign_op.Equal
                                      rhs: 
                                        {
                                          (DQ ($ Id.VSub_DollarName env) <':'> 
                                            ($ Id.VSub_DollarName _RLD_LIST)
                                          )
                                        }
                                    )
                                  ]
                                  redirects: []
                                )
                              ]
                              right: <Id.Op_DSemi _>
                            )
                          ]
                          arms_end: <Id.KW_Esac esac>
                          redirects: []
                        )
                      ]
                    )
                  ]
                  arms_end: <Id.KW_Esac esac>
                  redirects: []
                )
              ]
              fi_kw: <Id.KW_Fi fi>
              redirects: []
            )
          ]
          right: <Id.Op_DSemi _>
        )
      ]
      arms_end: <Id.KW_Esac esac>
      redirects: []
    )
    (command.Simple
      blame_tok: <Id.Lit_Colon ':'>
      more_env: []
      words: [{<Id.Lit_Colon ':'>} {<engage>}]
      redirects: []
      do_fork: T
    )
    (command.Case
      case_kw: <Id.KW_Case case>
      to_match: (case_arg.Word w:{($ Id.VSub_DollarName show)})
      arms_start: <Id.KW_In in>
      arms: [
        (CaseArm
          left: <Id.Left_DoubleQuote '"'>
          pattern: (pat.Words words:[{(DQ )}])
          middle: <Id.Right_CasePat _>
          action: [
            (command.Simple
              blame_tok: <eval>
              more_env: []
              words: [{<eval>} {($ Id.VSub_DollarName env)} {(SQ <'$command "$@"'>)}]
              redirects: []
              do_fork: T
            )
          ]
          right: <Id.Op_DSemi _>
        )
        (CaseArm
          left: <Id.Lit_Star '*'>
          pattern: (pat.Words words:[{<Id.Lit_Star '*'>}])
          middle: <Id.Right_CasePat _>
          action: [
            (command.Simple
              blame_tok: <Id.VSub_DollarName '$show'>
              more_env: []
              words: [
                {($ Id.VSub_DollarName show)}
                {($ Id.VSub_DollarName env)}
                {($ Id.VSub_DollarName command)}
                {(DQ ($ Id.VSub_At '@'))}
              ]
              redirects: []
              do_fork: T
            )
          ]
          right: <Id.Op_DSemi _>
        )
      ]
      arms_end: <Id.KW_Esac esac>
      redirects: []
    )
  ]
)