(List
  (FunctionDef err_exit []
    (List
      (Com {[LIT_CHARS print]} {[LIT_CHARS -u2]} {[LIT_CHARS -n]} {[DQ [\ LIT_ESCAPED_CHAR "\\t"]]})
      (Com {[LIT_CHARS print]} {[LIT_CHARS -u2]} {[LIT_CHARS -r]} {[VarSub Command] [LIT_OTHER "["] [VarSub 1] [LIT_OTHER "]"] [LIT_OTHER ":"]} {[DQ [VarSub @ transform_ops=[Slice {A Atom NODE_ARITH_WORD {[AS_NUM_LITERAL 2]}} None]]]})
      (Com {[LIT_CHARS let]} {[LIT_VAR_LIKE "Errors+="] [LIT_CHARS 1] =})
    )
  )
  (Com {[LIT_CHARS alias]} {[LIT_VAR_LIKE "err_exit="] [SQ <LIT_CHARS "err_exit $LINENO">] =})
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('Command', {[VarSub 0 transform_ops=[VS_UNARY_DPOUND {[LIT_CHARS "*"] [LIT_SLASH /]}]]})])
  (Com {[LIT_CHARS integer]} {[LIT_VAR_LIKE "Errors="] [LIT_CHARS 0] =})
  (AndOr OP_OR_IF
    (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('tmp', {[ComSub (Com {[LIT_CHARS mktemp]} {[LIT_CHARS -dt]})]})])
    (List
      (Com {[LIT_CHARS err_exit]} {[LIT_CHARS mktemp]} {[LIT_CHARS -dt]} {[LIT_CHARS failed]})
      (Com {[LIT_CHARS exit]} {[LIT_CHARS 1]})
    )
  )
  (Com {[LIT_CHARS trap]} {[DQ [LIT_CHARS "cd /; rm -rf "][VarSub tmp]]} {[LIT_CHARS EXIT]})
  (FunctionDef grep []
    (List
      (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('vflag', {[SQ ]}), ('xflag', {[SQ ]}), ('cflag', {[SQ ]}), ('lflag', {[SQ ]}), ('nflag', {[SQ ]})])
      (Com {[LIT_CHARS set]} {[LIT_CHARS -f]})
      (While
        (DParen {A Atom NODE_ARITH_WORD {[AS_NUM_LITERAL 1]}})
        (List
          (Case to_match={[DQ [VarSub 1]]}, pat_word_list=[[{[LIT_CHARS -v] [LIT_OTHER "*"]}], [{[LIT_CHARS -x] [LIT_OTHER "*"]}], [{[LIT_CHARS -c] [LIT_OTHER "*"]}], [{[LIT_CHARS -l] [LIT_OTHER "*"]}], [{[LIT_CHARS -n] [LIT_OTHER "*"]}], [{[LIT_CHARS -b] [LIT_OTHER "*"]}], [{[LIT_CHARS -e] [LIT_OTHER "*"]}], [{[LIT_CHARS -f] [LIT_OTHER "*"]}], [{[LIT_CHARS -] [LIT_OTHER "*"]}], [{[LIT_OTHER "*"]}]]
            (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('vflag', {[LIT_CHARS 1]})])
            (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('xflag', {[LIT_CHARS 1]})])
            (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('cflag', {[LIT_CHARS 1]})])
            (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('lflag', {[LIT_CHARS 1]})])
            (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('nflag', {[LIT_CHARS 1]})])
            (Com {[LIT_CHARS print]} {[SQ <LIT_CHARS "b option not supported">]})
            (List
              (Com {[LIT_CHARS shift]})
              (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('expr', {[DQ [VarSub 1]]})])
            )
            (List
              (Com {[LIT_CHARS shift]})
              (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('expr', {[ComSub (Com redirects=[(FilenameRedirectNode filename={[VarSub 1]} <REDIR_LESS "<"> 0)])]})])
            )
            (List
              (Com {[LIT_CHARS print]} {[VarSub 0] [LIT_OTHER ":"]} {[SQ <LIT_CHARS "unknown flag">]})
              (Com {[LIT_CHARS return]} {[LIT_CHARS 2]})
            )
            (List
              (If
                (Com {[LIT_CHARS test]} {[DQ [VarSub expr]]} {[LIT_OTHER "="]} {[SQ ]})
                (List
                  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('expr', {[DQ [VarSub 1]]})])
                  (Com {[LIT_CHARS shift]})
                )
              )
              (AndOr OP_OR_IF
                (Com {[LIT_CHARS test]} {[DQ [VarSub xflag]]})
                (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('expr', {[DQ [LIT_CHARS "*"][VarSub expr][LIT_CHARS "*"]]})])
              )
              (Com {[LIT_CHARS break]})
            )
          )
          (Com {[LIT_CHARS shift]})
        )
      )
      (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('noprint', {[VarSub vflag] [VarSub cflag] [VarSub lflag]})])
      (Com {[LIT_CHARS integer]} {[LIT_VAR_LIKE "n="] [LIT_CHARS 0] =} {[LIT_VAR_LIKE "c="] [LIT_CHARS 0] =} {[LIT_VAR_LIKE "tc="] [LIT_CHARS 0] =} {[LIT_VAR_LIKE "nargs="] [VarSub #] =})
      (For i [{[DQ [VarSub @]]}])
        (List
          (If
            (DParen {A2 AS_OP_LE {A Atom NODE_ARITH_WORD {[VarSub nargs]}} {A Atom NODE_ARITH_WORD {[AS_NUM_LITERAL 1]}}})
            (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('fname', {[SQ ]})])
            (ElseTrue)
            (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('fname', {[DQ [VarSub i]] [LIT_OTHER ":"]})])
          )
          (AndOr OP_AND_IF
            (Com {[LIT_CHARS test]} {[DQ [VarSub i]]})
            (Com {[LIT_CHARS exec]}
              <
              (FilenameRedirectNode filename={[VarSub i]} <REDIR_LESS "0<"> 0),
              >
            )
          )
          (While
            (Com {[LIT_CHARS read]} {[LIT_CHARS -r]} {[LIT_CHARS line]})
            (List
              (Com {[LIT_CHARS let]} {[LIT_VAR_LIKE "n="] [LIT_CHARS n] [LIT_OTHER "+"] [LIT_CHARS 1] =})
              (Case to_match={[DQ [VarSub line]]}, pat_word_list=[[{[VarSub expr]}], [{[LIT_OTHER "*"]}]]
                (List
                  (AndOr OP_OR_IF
                    (Com {[LIT_CHARS test]} {[DQ [VarSub noprint]]})
                    (Com {[LIT_CHARS print]} {[LIT_CHARS -r]} {[LIT_CHARS --]} {[DQ [VarSub fname][VarSub nflag test_op=VS_TEST_COLON_PLUS {[VarSub n] [LIT_CHARS ":"]}][VarSub line]]})
                  )
                  (Com {[LIT_CHARS let]} {[LIT_VAR_LIKE "c="] [LIT_CHARS c] [LIT_OTHER "+"] [LIT_CHARS 1] =})
                )
                (If
                  (Com {[LIT_CHARS test]} {[DQ [VarSub vflag]]})
                  (Com {[LIT_CHARS print]} {[LIT_CHARS -r]} {[LIT_CHARS --]} {[DQ [VarSub fname][VarSub nflag test_op=VS_TEST_COLON_PLUS {[VarSub n] [LIT_CHARS ":"]}][VarSub line]]})
                )
              )
            )
          )
          (If
            (AndOr OP_AND_IF
              (Com {[LIT_CHARS test]} {[DQ [VarSub lflag]]})
              (DParen {A Atom NODE_ARITH_WORD {[VarSub c]}})
            )
            (Com {[LIT_CHARS print]} {[LIT_CHARS -r]} {[LIT_CHARS --]} {[DQ [VarSub i]]})
          )
          (Com {[LIT_CHARS let]} {[LIT_VAR_LIKE "tc="] [LIT_CHARS tc] [LIT_OTHER "+"] [LIT_CHARS c] =} {[LIT_VAR_LIKE "n="] [LIT_CHARS 0] =} {[LIT_VAR_LIKE "c="] [LIT_CHARS 0] =})
        )
      )
      (AndOr OP_AND_IF
        (Com {[LIT_CHARS test]} {[DQ [VarSub cflag]]})
        (Com {[LIT_CHARS print]} {[VarSub tc]})
      )
      (Com {[LIT_CHARS let]} {[LIT_CHARS tc]})
    )
  )
  (Com {[LIT_CHARS cat]}
    <
    (FilenameRedirectNode filename={[VarSub tmp] [LIT_CHARS /grep]} <REDIR_GREAT ">"> 1),
    (HereDocRedirectNode here_end='!' do_expansion=False body_word={[LIT_CHARS "this is a food bar test\n"] [LIT_CHARS "to see how many lines find both foo and bar.\n"] [LIT_CHARS "Some line contain foo only,\n"] [LIT_CHARS "and some lines contain bar only.\n"] [LIT_CHARS "However, many lines contain both foo and also bar.\n"] [LIT_CHARS "A line containing foobar should also be counted.\n"] [LIT_CHARS "There should be six lines with foo and bar.\n"] [LIT_CHARS "There are only two line with out foo but with bar.\n"]} <REDIR_DLESS "<<"> 0),
    >
  )
  (If
    (DParen {A2 AS_OP_NEQUAL {A Atom NODE_ARITH_WORD {[ComSub (Com {[LIT_CHARS grep]} {[LIT_CHARS -c]} {[SQ <LIT_CHARS "foo*bar">]} {[VarSub tmp] [LIT_CHARS /grep]})]}} {A Atom NODE_ARITH_WORD {[AS_NUM_LITERAL 6]}}})
    (Com {[LIT_CHARS err_exit]})
  )
  (Com {[LIT_CHARS exit]} {[ArithSub {A3 AS_OP_QMARK {A2 AS_OP_LESS {A Atom NODE_ARITH_WORD {[VarSub Errors]}} {A Atom NODE_ARITH_WORD {[AS_NUM_LITERAL 125]}}} {A Atom NODE_ARITH_WORD {[VarSub Errors]}} {A Atom NODE_ARITH_WORD {[AS_NUM_LITERAL 125]}}}]})
)