(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]})
  (Com {[LIT_CHARS alias]} {[LIT_VAR_LIKE "foo="] [SQ <LIT_CHARS "print hello">] =})
  (If
    (DBracket {B2 BINARY_STRING_NOT_EQUAL {[ComSub (Com {[LIT_CHARS foo]})]} {[LIT_CHARS hello]}})
    (Com {[LIT_CHARS err_exit]} {[SQ <LIT_CHARS "foo, where foo is alias for \"print hello\" failed">]})
  )
  (If
    (DBracket {B2 BINARY_STRING_NOT_EQUAL {[ComSub (Com {[LIT_CHARS foo]} {[LIT_CHARS world]})]} {[SQ <LIT_CHARS "hello world">]}})
    (Com {[LIT_CHARS err_exit]} {[SQ <LIT_CHARS "foo world, where foo is alias for \"print hello\" failed">]})
  )
  (Com {[LIT_CHARS alias]} {[LIT_VAR_LIKE "foo="] [SQ <LIT_CHARS "print hello ">] =})
  (Com {[LIT_CHARS alias]} {[LIT_VAR_LIKE "bar="] [LIT_CHARS world] =})
  (If
    (DBracket {B2 BINARY_STRING_NOT_EQUAL {[ComSub (Com {[LIT_CHARS foo]} {[LIT_CHARS bar]})]} {[SQ <LIT_CHARS "hello world">]}})
    (Com {[LIT_CHARS err_exit]} {[SQ <LIT_CHARS "foo bar, where foo is alias for \"print hello \" failed">]})
  )
  (If
    (DBracket {B2 BINARY_STRING_NOT_EQUAL {[ComSub (Com {[LIT_CHARS foo]} {[\ LIT_ESCAPED_CHAR "\\b"] [LIT_CHARS ar]})]} {[SQ <LIT_CHARS "hello bar">]}})
    (Com {[LIT_CHARS err_exit]} {[SQ <LIT_CHARS "foo \\bar, where foo is alias for \"print hello \" failed">]})
  )
  (Com {[LIT_CHARS alias]} {[LIT_VAR_LIKE "bar="] [SQ <LIT_CHARS "foo world">] =})
  (If
    (DBracket {B2 BINARY_STRING_NOT_EQUAL {[ComSub (Com {[LIT_CHARS bar]})]} {[SQ <LIT_CHARS "hello world">]}})
    (Com {[LIT_CHARS err_exit]} {[SQ <LIT_CHARS "bar, where bar is alias for \"foo world\" failed">]})
  )
  (If
    (DBracket {B2 BINARY_STRING_NOT_EQUAL {[ComSub (Com {[LIT_CHARS alias]} {[LIT_CHARS bar]})]} {[DQ [LIT_CHARS "bar='foo world'"]]}})
    (Com {[LIT_CHARS err_exit]} {[SQ <LIT_CHARS "alias bar, where bar is alias for \"foo world\" failed">]})
  )
  (AndOr OP_OR_IF
    (Com {[LIT_CHARS unalias]} {[LIT_CHARS foo]})
    (Com {[LIT_CHARS err_exit]} {[DQ [LIT_CHARS "unalias foo failed"]]})
  )
  (AndOr OP_AND_IF
    (Com {[LIT_CHARS alias]} {[LIT_CHARS foo]}
      <
      (FilenameRedirectNode filename={[LIT_CHARS /dev/null]} <REDIR_GREAT "2>"> 2),
      >
    )
    (Com {[LIT_CHARS err_exit]} {[DQ [LIT_CHARS "alias for non-existent alias foo returns true"]]})
  )
  (Com {[LIT_CHARS unset]} {[LIT_CHARS bar]})
  (Com {[LIT_CHARS alias]} {[LIT_VAR_LIKE "bar="] [DQ [LIT_CHARS "print foo"][VarSub bar]] =})
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('bar', {[LIT_CHARS bar]})])
  (If
    (DBracket {B2 BINARY_STRING_NOT_EQUAL {[ComSub (Com {[LIT_CHARS bar]})]} {[LIT_CHARS foo]}})
    (Com {[LIT_CHARS err_exit]} {[SQ <LIT_CHARS "alias bar, where bar is alias for \"print foo$bar\" failed">]})
  )
  (Com {[LIT_CHARS unset]} {[LIT_CHARS bar]})
  (Com {[LIT_CHARS alias]} {[LIT_VAR_LIKE "bar="] [SQ <LIT_CHARS "print hello">] =})
  (If
    (DBracket {B2 BINARY_STRING_NOT_EQUAL {[VarSub bar]} {[SQ ]}})
    (Com {[LIT_CHARS err_exit]} {[SQ <LIT_CHARS "alias bar cause variable bar to be set">]})
  )
  (Com {[LIT_CHARS alias]} {[LIT_OTHER "!"] [LIT_OTHER "!"] [LIT_OTHER "="] [LIT_CHARS print]})
  (If
    (DBracket {B2 BINARY_STRING_NOT_EQUAL {[ComSub (Com redirects=[(FilenameRedirectNode filename={[LIT_CHARS /dev/null]} <REDIR_GREAT "2>"> 2)]{[LIT_OTHER "!"] [LIT_OTHER "!"]} {[LIT_CHARS hello]})]} {[LIT_CHARS hello]}})
    (Com {[LIT_CHARS err_exit]} {[SQ <LIT_CHARS "alias for !!=print not working">]})
  )
  (Com {[LIT_CHARS alias]} {[LIT_VAR_LIKE "foo="] [LIT_CHARS echo] =})
  (If
    (DBracket {B2 BINARY_STRING_NOT_EQUAL {[ComSub (Com {[LIT_CHARS print]} {[DQ [ComSub (Com {[LIT_CHARS foo]} {[LIT_CHARS bar]})]]})]} {[LIT_CHARS bar]}})
    (Com {[LIT_CHARS err_exit]} {[SQ <LIT_CHARS "alias in command substitution not working">]})
  )
  (Subshell
    (Com {[LIT_CHARS unalias]} {[LIT_CHARS foo]})
  )
  (If
    (DBracket {B2 BINARY_STRING_NOT_EQUAL {[ComSub (Com redirects=[(FilenameRedirectNode filename={[LIT_CHARS /dev/null]} <REDIR_GREAT "2>"> 2)]{[LIT_CHARS foo]} {[LIT_CHARS bar]})]} {[LIT_CHARS bar]}})
    (Com {[LIT_CHARS err_exit]} {[SQ <LIT_CHARS "alias not working after unalias in subshell">]})
  )
  (Com {[LIT_CHARS builtin]} {[LIT_CHARS -d]} {[LIT_CHARS rm]}
    <
    (FilenameRedirectNode filename={[LIT_CHARS /dev/null]} <REDIR_GREAT "2>"> 2),
    >
  )
  (If
    (Com {[LIT_CHARS whence]} {[LIT_CHARS rm]}
      <
      (FilenameRedirectNode filename={[LIT_CHARS /dev/null]} <REDIR_GREAT ">"> 1),
      >
    )
    (List
      (AndOr OP_AND_IF
        (DBracket {B! {B1 UNARY_STRING_n {[ComSub (Pipeline (Com {[LIT_CHARS alias]} {[LIT_CHARS -t]}) (Com {[LIT_CHARS grep]} {[LIT_VAR_LIKE "rm="] =}) )]}}})
        (Com {[LIT_CHARS err_exit]} {[SQ <LIT_CHARS "tracked alias not set">]})
      )
      (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('PATH', {[VarSub PATH]})])
      (AndOr OP_AND_IF
        (DBracket {B1 UNARY_STRING_n {[ComSub (Pipeline (Com {[LIT_CHARS alias]} {[LIT_CHARS -t]}) (Com {[LIT_CHARS grep]} {[LIT_VAR_LIKE "rm="] =}) )]}})
        (Com {[LIT_CHARS err_exit]} {[SQ <LIT_CHARS "tracked alias not cleared">]})
      )
    )
  )
  (If
    (AndOr OP_AND_IF
      (Com {[LIT_CHARS hash]} {[LIT_CHARS -r]}
        <
        (FilenameRedirectNode filename={[LIT_CHARS /dev/null]} <REDIR_GREAT "2>"> 2),
        >
      )
      (DBracket {B! {B1 UNARY_STRING_n {[ComSub (Com {[LIT_CHARS hash]})]}}})
    )
    (List
      (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('PATH', {[VarSub tmp] [LIT_OTHER ":"] [LIT_CHARS /bin] [LIT_OTHER ":"] [LIT_CHARS /usr/bin]})])
      (For i [{[LIT_CHARS foo]}, {[LIT_CHARS -foo]}, {[LIT_CHARS --]}])
        (List
          (Com {[LIT_CHARS print]} {[SQ <LIT_CHARS ":">]}
            <
            (FilenameRedirectNode filename={[VarSub tmp] [LIT_CHARS /] [VarSub i]} <REDIR_GREAT ">"> 1),
            >
          )
          (Com {[LIT_CHARS chmod]} {[LIT_OTHER "+"] [LIT_CHARS x]} {[VarSub tmp] [LIT_CHARS /] [VarSub i]})
          (AndOr OP_OR_IF
            (Com {[LIT_CHARS hash]} {[LIT_CHARS -r]} {[LIT_CHARS --]} {[VarSub i]}
              <
              (FilenameRedirectNode filename={[LIT_CHARS /dev/null]} <REDIR_GREAT "2>"> 2),
              >
            )
            (Com {[LIT_CHARS err_exit]} {[DQ [LIT_CHARS "hash -r -- "][VarSub i][LIT_CHARS " failed"]]})
          )
          (AndOr OP_OR_IF
            (DBracket {B2 BINARY_STRING_EQUAL {[ComSub (Com {[LIT_CHARS hash]})]} {[VarSub i] [LIT_EQUAL "="] [VarSub tmp] [LIT_CHARS /] [VarSub i]}})
            (Com {[LIT_CHARS err_exit]} {[DQ [LIT_CHARS "hash -r -- "][VarSub i][LIT_CHARS " failed, expected "][VarSub i][LIT_CHARS "="][VarSub tmp][LIT_CHARS /][VarSub i][LIT_CHARS ", got "][ComSub (Com {[LIT_CHARS hash]})]]})
          )
        )
      )
    )
    (ElseTrue)
    (Com {[LIT_CHARS err_exit]} {[SQ <LIT_CHARS "hash -r failed">]})
  )
  (AndOr OP_OR_IF
    (Subshell
      (Com {[LIT_CHARS alias]} {[LIT_OTHER ":"] [LIT_VAR_LIKE "pr="] [LIT_CHARS print]})
    )
    (Com {[LIT_CHARS err_exit]} {[SQ <LIT_CHARS "alias beginning with : fails">]})
  )
  (AndOr OP_OR_IF
    (Subshell
      (Com {[LIT_CHARS alias]} {[LIT_CHARS p] [LIT_OTHER ":"] [LIT_VAR_LIKE "r="] [LIT_CHARS print]})
    )
    (Com {[LIT_CHARS err_exit]} {[SQ <LIT_CHARS "alias with : in name fails">]})
  )
  (AndOr OP_AND_IF
    (Com {[LIT_CHARS unalias]} {[LIT_CHARS no_such_alias]})
    (Com {[LIT_CHARS err_exit]} {[SQ <LIT_CHARS "unalias should return non-zero for unknown alias">]})
  )
  (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]}}}]})
)