(List
  (Com {[LIT_OTHER ":"]} {[LIT_CHARS convert]} {[LIT_CHARS command]} {[LIT_CHARS that]} {[LIT_CHARS operates]} {[LIT_CHARS on]} {[LIT_CHARS file]} {[LIT_CHARS args]} {[LIT_CHARS to]} {[LIT_CHARS pipeline]} {[LIT_CHARS filter]})
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('command', {[LIT_CHARS filter]})])
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('tmp', {[LIT_CHARS /tmp/] [VarSub command] [VarSub $]})])
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('suf', {[SQ ]})])
  (Case to_match={[ComSub (Subshell (List (Com {[LIT_CHARS getopts]} {[SQ <LIT_CHARS "[-][123:xyz]">]} {[LIT_CHARS opt]} {[LIT_CHARS --xyz]}) (Com {[LIT_CHARS echo]} {[LIT_CHARS 0] [VarSub opt]}) ) )]}, pat_word_list=[[{[LIT_CHARS 0123]}], [{[LIT_OTHER "*"]}]]
    (List
      (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('ARGV0', {[DQ [LIT_CHARS "-a "][VarSub command]]})])
      (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('USAGE', {[SQ <LIT_CHARS "\n"> <LIT_CHARS "[-?\n"> <LIT_CHARS "@(#)$Id: filter (AT&T Labs Research) 2001-05-31 $\n"> <LIT_CHARS "]\n">] [VarSub USAGE_LICENSE] [SQ <LIT_CHARS "\n"> <LIT_CHARS "[+NAME?filter - run a command in stdin/stdout mode]\n"> <LIT_CHARS "[+DESCRIPTION?\\bfilter\\b runs \\acommand\\a in a mode that takes input from\n"> <LIT_CHARS "\tthe \\afile\\a operands, or from the standard input if no \\afile\\a\n"> <LIT_CHARS "\toperands are specified, and writes the results to the standard output.\n"> <LIT_CHARS "\tIt can be used to run commands like \\bsplit\\b(1), that normally modify\n"> <LIT_CHARS "\t\\afile\\a operands in-place, in pipelines. The \\afile\\a operands are\n"> <LIT_CHARS "\tnot modified; \\acommand\\a is run on copies in \\b/tmp\\b.]\n"> <LIT_CHARS "\n"> <LIT_CHARS "command [ option ... ] [ file ... ]\n"> <LIT_CHARS "\n"> <LIT_CHARS "[+SEE ALSO?\\bstrip\\b(1)]\n">]})])
    )
    (List
      (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('ARGV0', {[DQ ]})])
      (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('USAGE', {[DQ [LIT_CHARS "command [ option ... ] [ file ... ]"]]})])
    )
  )
  (FunctionDef usage []
    (List
      (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('OPTIND', {[LIT_CHARS 0]})])
      (Com {[LIT_CHARS getopts]} {[VarSub ARGV0]} {[DQ [VarSub USAGE]]} {[LIT_CHARS OPT]} {[SQ <LIT_CHARS "-?">]})
      (Com {[LIT_CHARS exit]} {[LIT_CHARS 2]})
    )
  )
  (While
    (Com {[LIT_CHARS getopts]} {[VarSub ARGV0]} {[DQ [VarSub USAGE]]} {[LIT_CHARS OPT]})
    (Case to_match={[VarSub OPT]}, pat_word_list=[[{[LIT_OTHER "*"]}]]
      (Com {[LIT_CHARS usage]})
    )
  )
  (Com {[LIT_CHARS shift]} {[ComSub (Com {[LIT_CHARS expr]} {[VarSub OPTIND]} {[LIT_CHARS -]} {[LIT_CHARS 1]})]})
  (Case to_match={[VarSub #]}, pat_word_list=[[{[LIT_CHARS 0]}]]
    (Com {[LIT_CHARS usage]})
  )
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('cmd', {[VarSub 1]})])
  (While
    (Com {[LIT_OTHER ":"]})
    (List
      (Com {[LIT_CHARS shift]})
      (Case to_match={[VarSub #]}, pat_word_list=[[{[LIT_CHARS 0]}]]
        (Com {[LIT_CHARS break]})
      )
      (Case to_match={[VarSub 1]}, pat_word_list=[[{[LIT_CHARS -] [LIT_OTHER "*"]}], [{[LIT_OTHER "*"]}]]
        (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('cmd', {[DQ [VarSub cmd][LIT_CHARS " "][VarSub 1]]})])
        (Com {[LIT_CHARS break]})
      )
    )
  )
  (Com {[LIT_CHARS trap]} {[SQ <LIT_CHARS "rm -f $tmp$suf">]} {[LIT_CHARS 0]} {[LIT_CHARS 1]} {[LIT_CHARS 2]} {[LIT_CHARS 3]} {[LIT_CHARS 15]})
  (Case to_match={[VarSub #]}, pat_word_list=[[{[LIT_CHARS 0]}], [{[LIT_OTHER "*"]}]]
    (List
      (Com {[LIT_CHARS cat]}
        <
        (FilenameRedirectNode filename={[VarSub tmp]} <REDIR_GREAT ">"> 1),
        >
      )
      (Com {[VarSub cmd]} {[VarSub tmp]})
    )
    (For file do_arg_iter)
      (List
        (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('suf', {[VarSub file transform_ops=[VS_UNARY_DPOUND {[LIT_CHARS "*"] [LIT_SLASH /]}]]})])
        (Case to_match={[VarSub suf]}, pat_word_list=[[{[LIT_OTHER "*"] [LIT_CHARS .] [LIT_OTHER "*"]}], [{[LIT_OTHER "*"]}]]
          (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('suf', {[LIT_CHARS .] [VarSub suf transform_ops=[VS_UNARY_POUND {[LIT_CHARS "*."]}]]})])
          (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('suf', {[SQ ]})])
        )
        (AndOr OP_OR_IF
          (Com {[LIT_CHARS cp]} {[VarSub file]} {[VarSub tmp] [VarSub suf]})
          (Com {[LIT_CHARS exit]} {[LIT_CHARS 1]})
        )
        (AndOr OP_OR_IF
          (Com {[LIT_CHARS chmod]} {[LIT_CHARS u] [LIT_OTHER "+"] [LIT_CHARS rwx]} {[VarSub tmp] [VarSub suf]})
          (Com {[LIT_CHARS exit]} {[LIT_CHARS 1]})
        )
        (AndOr OP_OR_IF
          (Com {[VarSub cmd]} {[VarSub tmp] [VarSub suf]})
          (Com {[LIT_CHARS exit]} {[LIT_CHARS 1]})
        )
        (Com {[LIT_CHARS cat]} {[VarSub tmp] [VarSub suf]})
        (Com {[LIT_CHARS rm]} {[LIT_CHARS -f]} {[VarSub tmp] [VarSub suf]})
      )
    )
  )
)