(command.CommandList
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      name_tok: <err_exit>
      name: err_exit
      body: 
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          left: <Id.Lit_LBrace '{'>
          children: [
            (command.Simple
              blame_tok: <print>
              more_env: []
              words: [{<print>} {<-u2>} {<-n>} {(DQ <Id.Lit_BadBackslash '\\'> <t>)}]
              redirects: []
              do_fork: T
            )
            (command.Simple
              blame_tok: <print>
              more_env: []
              words: [
                {<print>}
                {<-u2>}
                {<-r>}
                {(${ Id.VSub_Name Command) <Id.Lit_LBracket '['> ($ Id.VSub_Number 1) 
                  <Id.Lit_RBracket ']'> <Id.Lit_Colon ':'>
                }
                {
                  (DQ 
                    (BracedVarSub
                      left: <Id.Left_DollarBrace '${'>
                      token: <Id.VSub_At '@'>
                      var_name: '@'
                      suffix_op: (suffix_op.Slice begin:{<Id.Lit_Digits 2>})
                      right: <Id.Arith_RBrace _>
                    )
                  )
                }
              ]
              redirects: []
              do_fork: T
            )
            (command.Simple
              blame_tok: <let>
              more_env: []
              words: [{<let>} {<Id.Lit_VarLike 'Errors+='> <1>}]
              redirects: []
              do_fork: T
            )
          ]
          redirects: []
          right: <Id.Lit_RBrace '}'>
        )
    )
    (command.Simple
      blame_tok: <alias>
      more_env: []
      words: [{<alias>} {<Id.Lit_VarLike 'err_exit='> (SQ <'err_exit $LINENO'>)}]
      redirects: []
      do_fork: T
    )
    (command.ShAssignment
      left: <Id.Lit_VarLike 'Command='>
      pairs: [
        (AssignPair
          left: <Id.Lit_VarLike 'Command='>
          lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'Command='> name:Command)
          op: assign_op.Equal
          rhs: 
            {
              (BracedVarSub
                left: <Id.Left_DollarBrace '${'>
                token: <Id.VSub_Number 0>
                var_name: 0
                suffix_op: 
                  (suffix_op.Unary
                    op: <Id.VOp1_DPound '##'>
                    arg_word: {<Id.Lit_Other '*'> <Id.Lit_Slash '/'>}
                  )
                right: <Id.Right_DollarBrace '}'>
              )
            }
        )
      ]
      redirects: []
    )
    (command.Simple
      blame_tok: <integer>
      more_env: []
      words: [{<integer>} {<Id.Lit_VarLike 'Errors='> <0>}]
      redirects: []
      do_fork: T
    )
    (command.ShAssignment
      left: <Id.Lit_VarLike 'bar='>
      pairs: [
        (AssignPair
          left: <Id.Lit_VarLike 'bar='>
          lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'bar='> name:bar)
          op: assign_op.Equal
          rhs: {<foo2>}
        )
      ]
      redirects: []
    )
    (command.ShAssignment
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      pairs: [
        (AssignPair
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          lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'bam='> name:bam)
          op: assign_op.Equal
          rhs: {<Id.Lit_ArrayLhsOpen 'foo['> <3> <Id.Lit_RBracket ']'>}
        )
      ]
      redirects: []
    )
    (command.ForEach
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      iter_names: [i]
      iterable: (for_iter.Words words:[{<foo1>} {<foo2>} {<foo3>} {<foo4>} {<foo5>} {<foo6>}])
      body: 
        (command.DoGroup
          left: <Id.KW_Do do>
          children: [
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              pairs: [
                (AssignPair
                  left: <Id.Lit_VarLike 'foo='>
                  lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'foo='> name:foo)
                  op: assign_op.Equal
                  rhs: {<0>}
                )
              ]
              redirects: []
            )
            (command.Case
              case_kw: <Id.KW_Case case>
              to_match: (case_arg.Word w:{($ Id.VSub_DollarName i)})
              arms_start: <Id.KW_In in>
              arms: [
                (CaseArm
                  left: <foo1>
                  pattern: (pat.Words words:[{<foo1>}])
                  middle: <Id.Right_CasePat _>
                  action: [
                    (command.ShAssignment
                      left: <Id.Lit_VarLike 'foo='>
                      pairs: [
                        (AssignPair
                          left: <Id.Lit_VarLike 'foo='>
                          lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'foo='> name:foo)
                          op: assign_op.Equal
                          rhs: {<1>}
                        )
                      ]
                      redirects: []
                    )
                  ]
                  right: <Id.Op_DSemi _>
                )
                (CaseArm
                  left: <Id.VSub_DollarName '$bar'>
                  pattern: (pat.Words words:[{($ Id.VSub_DollarName bar)}])
                  middle: <Id.Right_CasePat _>
                  action: [
                    (command.ShAssignment
                      left: <Id.Lit_VarLike 'foo='>
                      pairs: [
                        (AssignPair
                          left: <Id.Lit_VarLike 'foo='>
                          lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'foo='> name:foo)
                          op: assign_op.Equal
                          rhs: {<2>}
                        )
                      ]
                      redirects: []
                    )
                  ]
                  right: <Id.Op_DSemi _>
                )
                (CaseArm
                  left: <Id.VSub_DollarName '$bam'>
                  pattern: (pat.Words words:[{($ Id.VSub_DollarName bam)}])
                  middle: <Id.Right_CasePat _>
                  action: [
                    (command.ShAssignment
                      left: <Id.Lit_VarLike 'foo='>
                      pairs: [
                        (AssignPair
                          left: <Id.Lit_VarLike 'foo='>
                          lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'foo='> name:foo)
                          op: assign_op.Equal
                          rhs: {<3>}
                        )
                      ]
                      redirects: []
                    )
                  ]
                  right: <Id.Op_DSemi _>
                )
                (CaseArm
                  left: <Id.Lit_ArrayLhsOpen 'foo['>
                  pattern: 
                    (pat.Words
                      words: [{<Id.Lit_ArrayLhsOpen 'foo['> <4> <Id.Lit_RBracket ']'>}]
                    )
                  middle: <Id.Right_CasePat _>
                  action: [
                    (command.ShAssignment
                      left: <Id.Lit_VarLike 'foo='>
                      pairs: [
                        (AssignPair
                          left: <Id.Lit_VarLike 'foo='>
                          lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'foo='> name:foo)
                          op: assign_op.Equal
                          rhs: {<4>}
                        )
                      ]
                      redirects: []
                    )
                  ]
                  right: <Id.Op_DSemi _>
                )
                (CaseArm
                  left: <Id.Left_DollarBrace '${'>
                  pattern: 
                    (pat.Words
                      words: [
                        {
                          (BracedVarSub
                            left: <Id.Left_DollarBrace '${'>
                            token: <Id.VSub_Name bar>
                            var_name: bar
                            suffix_op: 
                              (suffix_op.Unary
                                op: <Id.VOp1_Percent '%'>
                                arg_word: {<Id.Lit_Other '?'>}
                              )
                            right: <Id.Right_DollarBrace '}'>
                          ) <5>
                        }
                      ]
                    )
                  middle: <Id.Right_CasePat _>
                  action: [
                    (command.ShAssignment
                      left: <Id.Lit_VarLike 'foo='>
                      pairs: [
                        (AssignPair
                          left: <Id.Lit_VarLike 'foo='>
                          lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'foo='> name:foo)
                          op: assign_op.Equal
                          rhs: {<5>}
                        )
                      ]
                      redirects: []
                    )
                  ]
                  right: <Id.Op_DSemi _>
                )
                (CaseArm
                  left: <Id.Left_DoubleQuote '"'>
                  pattern: 
                    (pat.Words
                      words: [
                        {
                          (DQ 
                            (BracedVarSub
                              left: <Id.Left_DollarBrace '${'>
                              token: <Id.VSub_Name bar>
                              var_name: bar
                              suffix_op: 
                                (suffix_op.Unary
                                  op: <Id.VOp1_Percent '%'>
                                  arg_word: {<Id.Lit_Other '?'>}
                                )
                              right: <Id.Right_DollarBrace '}'>
                            ) <6>
                          )
                        }
                      ]
                    )
                  middle: <Id.Right_CasePat _>
                  action: [
                    (command.ShAssignment
                      left: <Id.Lit_VarLike 'foo='>
                      pairs: [
                        (AssignPair
                          left: <Id.Lit_VarLike 'foo='>
                          lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'foo='> name:foo)
                          op: assign_op.Equal
                          rhs: {<6>}
                        )
                      ]
                      redirects: []
                    )
                  ]
                  right: <Id.Op_DSemi _>
                )
              ]
              arms_end: <Id.KW_Esac esac>
              redirects: []
            )
            (command.If
              if_kw: <Id.KW_If if>
              arms: [
                (IfArm
                  keyword: <Id.KW_If if>
                  cond: 
                    (condition.Shell
                      commands: [
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                          expr: 
                            (bool_expr.Binary
                              op_id: Id.BoolBinary_GlobNEqual
                              left: {($ Id.VSub_DollarName i)}
                              right: {<foo> ($ Id.VSub_DollarName foo)}
                            )
                          right: <Id.Lit_DRightBracket ']]'>
                          redirects: []
                        )
                      ]
                    )
                  then_kw: <Id.KW_Then then>
                  action: [
                    (command.Simple
                      blame_tok: <err_exit>
                      more_env: []
                      words: [
                        {<err_exit>}
                        {(DQ ($ Id.VSub_DollarName i) <' not matching correct pattern'>)}
                      ]
                      redirects: []
                      do_fork: T
                    )
                  ]
                  spids: [234 248]
                )
              ]
              else_action: []
              fi_kw: <Id.KW_Fi fi>
              redirects: []
            )
          ]
          right: <Id.KW_Done done>
        )
      redirects: []
    )
    (command.ShAssignment
      left: <Id.Lit_VarLike 'f='>
      pairs: [
        (AssignPair
          left: <Id.Lit_VarLike 'f='>
          lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'f='> name:f)
          op: assign_op.Equal
          rhs: {(DQ <'[ksh92]'>)}
        )
      ]
      redirects: []
    )
    (command.Case
      case_kw: <Id.KW_Case case>
      to_match: (case_arg.Word w:{($ Id.VSub_DollarName f)})
      arms_start: <Id.KW_In in>
      arms: [
        (CaseArm
          left: <Id.Lit_EscapedChar '\\['>
          pattern: 
            (pat.Words
              words: [
                {(word_part.EscapedLiteral token:<Id.Lit_EscapedChar '\\['> ch:'[') <Id.Lit_Star '*'> 
                  (word_part.EscapedLiteral
                    token: <Id.Lit_EscapedChar '\\]'>
                    ch: ']'
                  )
                }
              ]
            )
          middle: <Id.Right_CasePat _>
          action: []
          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: <err_exit>
              more_env: []
              words: [
                {<err_exit>}
                {
                  (DQ ($ Id.VSub_DollarName f) <' does not match '> <Id.Lit_BadBackslash '\\'> <'[*'> 
                    <Id.Lit_BadBackslash '\\'> <']'>
                  )
                }
              ]
              redirects: []
              do_fork: T
            )
          ]
          right: <Id.Op_DSemi _>
        )
      ]
      arms_end: <Id.KW_Esac esac>
      redirects: []
    )
    (command.If
      if_kw: <Id.KW_If if>
      arms: [
        (IfArm
          keyword: <Id.KW_If if>
          cond: 
            (condition.Shell
              commands: [
                (command.DBracket
                  left: <Id.KW_DLeftBracket '[['>
                  expr: 
                    (bool_expr.Binary
                      op_id: Id.BoolBinary_GlobNEqual
                      left: 
                        {
                          (CommandSub
                            left_token: <Id.Left_DollarParen '$('>
                            child: 
                              (command.Simple
                                blame_tok: <Id.VSub_DollarName '$SHELL'>
                                more_env: []
                                words: [
                                  {($ Id.VSub_DollarName SHELL)}
                                  {<-c>}
                                  {
                                    (SQ <'\n'> <'\t\tx=$(case abc {\n'> 
                                      <'\t\t\tabc)\t{ print yes;};;\n'> <'\t\t\t*)\t print no;;\n'> <'\t\t\t}\n'> <'\t\t)\n'> <'\t\tprint -r -- "$x"'>
                                    )
                                  }
                                ]
                                redirects: [
                                  (Redir
                                    op: <Id.Redir_Great '2>'>
                                    loc: (redir_loc.Fd fd:2)
                                    arg: {<'/dev/null'>}
                                  )
                                ]
                                do_fork: T
                              )
                            right: <Id.Eof_RParen _>
                          )
                        }
                      right: {<yes>}
                    )
                  right: <Id.Lit_DRightBracket ']]'>
                  redirects: []
                )
              ]
            )
          then_kw: <Id.KW_Then then>
          action: [
            (command.Simple
              blame_tok: <err_exit>
              more_env: []
              words: [{<err_exit>} {(SQ <'case abc {...} not working'>)}]
              redirects: []
              do_fork: T
            )
          ]
          spids: [298 328]
        )
      ]
      else_action: []
      fi_kw: <Id.KW_Fi fi>
      redirects: []
    )
    (command.AndOr
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        (command.DBracket
          left: <Id.KW_DLeftBracket '[['>
          expr: 
            (bool_expr.Binary
              op_id: Id.BoolBinary_GlobNEqual
              left: 
                {
                  (CommandSub
                    left_token: <Id.Left_DollarParen '$('>
                    child: 
                      (command.Simple
                        blame_tok: <Id.VSub_DollarName '$SHELL'>
                        more_env: []
                        words: [
                          {($ Id.VSub_DollarName SHELL)}
                          {<-c>}
                          {
                            (SQ <'case a in\n'> <'a)      print -n a > /dev/null ;&\n'> 
                              <'b)      print b;;\n'> <esac>
                            )
                          }
                        ]
                        redirects: []
                        do_fork: T
                      )
                    right: <Id.Eof_RParen _>
                  )
                }
              right: {<b>}
            )
          right: <Id.Lit_DRightBracket ']]'>
          redirects: []
        )
        (command.Simple
          blame_tok: <err_exit>
          more_env: []
          words: [{<err_exit>} {(SQ <'bug in ;& at end of script'>)}]
          redirects: []
          do_fork: T
        )
      ]
      ops: [<Id.Op_DAmp _>]
    )
    (command.AndOr
      children: [
        (command.DBracket
          left: <Id.KW_DLeftBracket '[['>
          expr: 
            (bool_expr.Binary
              op_id: Id.BoolBinary_GlobDEqual
              left: 
                {
                  (CommandSub
                    left_token: <Id.Left_DollarParen '$('>
                    child: 
                      (command.Simple
                        blame_tok: <Id.VSub_DollarName '$SHELL'>
                        more_env: [(EnvPair left:<Id.Lit_VarLike 'VMDEBUG='> name:VMDEBUG val:{<1>})]
                        words: [
                          {($ Id.VSub_DollarName SHELL)}
                          {<-c>}
                          {
                            (SQ <'\n'> <'\ttmp=foo\n'> <'\tfor i in a b\n'> <'\tdo\tcase $i in\n'> 
                              <'\t\ta)\t:  tmp=$tmp tmp.h=$tmp.h;;\n'> <'\t\tb)\t( tmp=bar )\n'> <'\t\t\tfor j in a\n'> <'\t\t\tdo\tprint -r -- $tmp.h\n'> <'\t\t\tdone\n'> 
                              <'\t\t\t;;\n'> <'\t\tesac\n'> <'\tdone\n'>
                            )
                          }
                        ]
                        redirects: []
                        do_fork: T
                      )
                    right: <Id.Eof_RParen _>
                  )
                }
              right: {<foo.h>}
            )
          right: <Id.Lit_DRightBracket ']]'>
          redirects: []
        )
        (command.Simple
          blame_tok: <err_exit>
          more_env: []
          words: [{<err_exit>} {(DQ <'optimizer bug'>)}]
          redirects: []
          do_fork: T
        )
      ]
      ops: [<Id.Op_DPipe _>]
    )
    (command.ShAssignment
      left: <Id.Lit_VarLike 'x='>
      pairs: [
        (AssignPair
          left: <Id.Lit_VarLike 'x='>
          lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'x='> name:x)
          op: assign_op.Equal
          rhs: 
            {
              (CommandSub
                left_token: <Id.Left_DollarParen '$('>
                child: 
                  (command.Simple
                    blame_tok: <Id.VSub_DollarName '$SHELL'>
                    more_env: []
                    words: [
                      {($ Id.VSub_DollarName SHELL)}
                      {<-ec>}
                      {(SQ <'case a in a) echo 1; false; echo 2 ;& b) echo 3;; esac'>)}
                    ]
                    redirects: []
                    do_fork: T
                  )
                right: <Id.Eof_RParen _>
              )
            }
        )
      ]
      redirects: []
    )
    (command.AndOr
      children: [
        (command.DBracket
          left: <Id.KW_DLeftBracket '[['>
          expr: 
            (bool_expr.Binary
              op_id: Id.BoolBinary_GlobDEqual
              left: {($ Id.VSub_DollarName x)}
              right: {<1>}
            )
          right: <Id.Lit_DRightBracket ']]'>
          redirects: []
        )
        (command.Simple
          blame_tok: <err_exit>
          more_env: []
          words: [{<err_exit>} {(SQ <'set -e ignored on case fail through'>)}]
          redirects: []
          do_fork: T
        )
      ]
      ops: [<Id.Op_DPipe _>]
    )
    (command.ControlFlow
      keyword: <Id.ControlFlow_Exit exit>
      arg_word: 
        {
          (word_part.ArithSub
            left: <Id.Left_DollarDParen '$(('>
            anode: 
              (arith_expr.TernaryOp
                cond: 
                  (arith_expr.Binary
                    op_id: Id.Arith_Less
                    left: ($ Id.Lit_ArithVarLike Errors)
                    right: {<Id.Lit_Digits 125>}
                  )
                true_expr: ($ Id.Lit_ArithVarLike Errors)
                false_expr: {<Id.Lit_Digits 125>}
              )
            right: <Id.Right_DollarDParen _>
          )
        }
    )
  ]
)