(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] =})
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('bar', {[LIT_CHARS foo2]})])
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('bam', {[LIT_CHARS foo] [LIT_OTHER "["] [LIT_CHARS 3] [LIT_OTHER "]"]})])
  (For i [{[LIT_CHARS foo1]}, {[LIT_CHARS foo2]}, {[LIT_CHARS foo3]}, {[LIT_CHARS foo4]}, {[LIT_CHARS foo5]}, {[LIT_CHARS foo6]}])
    (List
      (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('foo', {[LIT_CHARS 0]})])
      (Case to_match={[VarSub i]}, pat_word_list=[[{[LIT_CHARS foo1]}], [{[VarSub bar]}], [{[VarSub bam]}], [{[LIT_CHARS foo] [LIT_OTHER "["] [LIT_CHARS 4] [LIT_OTHER "]"]}], [{[VarSub bar transform_ops=[VS_UNARY_PERCENT {[LIT_CHARS "?"]}]] [LIT_CHARS 5]}], [{[DQ [VarSub bar transform_ops=[VS_UNARY_PERCENT {[LIT_CHARS "?"]}]][LIT_CHARS 6]]}]]
        (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('foo', {[LIT_CHARS 1]})])
        (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('foo', {[LIT_CHARS 2]})])
        (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('foo', {[LIT_CHARS 3]})])
        (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('foo', {[LIT_CHARS 4]})])
        (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('foo', {[LIT_CHARS 5]})])
        (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('foo', {[LIT_CHARS 6]})])
      )
      (If
        (DBracket {B2 BINARY_STRING_NOT_EQUAL {[VarSub i]} {[LIT_CHARS foo] [VarSub foo]}})
        (Com {[LIT_CHARS err_exit]} {[DQ [VarSub i][LIT_CHARS " not matching correct pattern"]]})
      )
    )
  )
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('f', {[DQ [LIT_CHARS "[ksh92]"]]})])
  (Case to_match={[VarSub f]}, pat_word_list=[[{[\ LIT_ESCAPED_CHAR "\\["] [LIT_OTHER "*"] [\ LIT_ESCAPED_CHAR "\\]"]}], [{[LIT_OTHER "*"]}]]
    (ElseTrue)
    (Com {[LIT_CHARS err_exit]} {[DQ [VarSub f][LIT_CHARS " does not match "][\ LIT_ESCAPED_CHAR "\\["][LIT_CHARS "*"][\ LIT_ESCAPED_CHAR "\\]"]]})
  )
  (If
    (DBracket {B2 BINARY_STRING_NOT_EQUAL {[ComSub (Com redirects=[(FilenameRedirectNode filename={[LIT_CHARS /dev/null]} <REDIR_GREAT "2>"> 2)]{[VarSub SHELL]} {[LIT_CHARS -c]} {[SQ <LIT_CHARS "\n"> <LIT_CHARS "\t\tx=$(case abc {\n"> <LIT_CHARS "\t\t\tabc)\t{ print yes;};;\n"> <LIT_CHARS "\t\t\t*)\t print no;;\n"> <LIT_CHARS "\t\t\t}\n"> <LIT_CHARS "\t\t)\n"> <LIT_CHARS "\t\tprint -r -- \"$x\"">]})]} {[LIT_CHARS yes]}})
    (Com {[LIT_CHARS err_exit]} {[SQ <LIT_CHARS "case abc {...} not working">]})
  )
  (AndOr OP_AND_IF
    (DBracket {B2 BINARY_STRING_NOT_EQUAL {[ComSub (Com {[VarSub SHELL]} {[LIT_CHARS -c]} {[SQ <LIT_CHARS "case a in\n"> <LIT_CHARS "a)      print -n a > /dev/null ;&\n"> <LIT_CHARS "b)      print b;;\n"> <LIT_CHARS esac>]})]} {[LIT_CHARS b]}})
    (Com {[LIT_CHARS err_exit]} {[SQ <LIT_CHARS "bug in ;& at end of script">]})
  )
  (AndOr OP_OR_IF
    (DBracket {B2 BINARY_STRING_EQUAL {[ComSub (Com more_env=[('VMDEBUG', {[LIT_CHARS 1]})] {[VarSub SHELL]} {[LIT_CHARS -c]} {[SQ <LIT_CHARS "\n"> <LIT_CHARS "\ttmp=foo\n"> <LIT_CHARS "\tfor i in a b\n"> <LIT_CHARS "\tdo\tcase $i in\n"> <LIT_CHARS "\t\ta)\t:  tmp=$tmp tmp.h=$tmp.h;;\n"> <LIT_CHARS "\t\tb)\t( tmp=bar )\n"> <LIT_CHARS "\t\t\tfor j in a\n"> <LIT_CHARS "\t\t\tdo\tprint -r -- $tmp.h\n"> <LIT_CHARS "\t\t\tdone\n"> <LIT_CHARS "\t\t\t;;\n"> <LIT_CHARS "\t\tesac\n"> <LIT_CHARS "\tdone\n">]})]} {[LIT_CHARS foo.h]}})
    (Com {[LIT_CHARS err_exit]} {[DQ [LIT_CHARS "optimizer bug"]]})
  )
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('x', {[ComSub (Com {[VarSub SHELL]} {[LIT_CHARS -ec]} {[SQ <LIT_CHARS "case a in a) echo 1; false; echo 2 ;& b) echo 3;; esac">]})]})])
  (AndOr OP_OR_IF
    (DBracket {B2 BINARY_STRING_EQUAL {[VarSub x]} {[LIT_CHARS 1]}})
    (Com {[LIT_CHARS err_exit]} {[SQ <LIT_CHARS "set -e ignored on case fail through">]})
  )
  (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]}}}]})
)