(List
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('command', {[LIT_CHARS delta2patch]})])
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('USAGE', {[SQ <LIT_CHARS "\n"> <LIT_CHARS "[-?\n"> <LIT_CHARS "@(#)$Id: delta2patch (AT&T Research) 2007-12-11 $\n"> <LIT_CHARS "]\n">] [VarSub USAGE_LICENSE] [SQ <LIT_CHARS "\n"> <LIT_CHARS "[+NAME?delta2patch - generate patch script from pax delta+base archives]\n"> <LIT_CHARS "[+DESCRIPTION?\\bdelta2patch\\b generates a \\bpatch\\b(1) \\adiff -u\\a script\n"> <LIT_CHARS "\tgiven a \\bpax\\b(1) delta and base source archive to convert\n"> <LIT_CHARS "\tfiles extracted from the base archive to be equivalent to files\n"> <LIT_CHARS "\textracted from the delta archive with respect to the base archive.]\n"> <LIT_CHARS "\n"> <LIT_CHARS "delta base\n"> <LIT_CHARS "\n"> <LIT_CHARS "[+SEE ALSO?\\bpackage\\b(1), \\bpax\\b(1)]\n">]})])
  (FunctionDef usage []
    (List
      (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('OPTIND', {[LIT_CHARS 0]})])
      (Com {[LIT_CHARS getopts]} {[LIT_CHARS -a]} {[VarSub command]} {[DQ [VarSub USAGE]]} {[LIT_CHARS OPT]} {[SQ <LIT_CHARS "--??long">]})
      (Com {[LIT_CHARS exit]} {[LIT_CHARS 2]})
    )
  )
  (While
    (Com {[LIT_CHARS getopts]} {[LIT_CHARS -a]} {[VarSub command]} {[DQ [VarSub USAGE]]} {[LIT_CHARS OPT]})
    (Case to_match={[VarSub OPT]}, pat_word_list=[[{[LIT_OTHER "*"]}]]
      (Com {[LIT_CHARS usage]})
    )
  )
  (If
    (DParen {A2 AS_OP_NEQUAL {A Atom NODE_ARITH_WORD {[VarSub #]}} {A Atom NODE_ARITH_WORD {[AS_NUM_LITERAL 2]}}})
    (Com {[LIT_CHARS usage]})
  )
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('delta', {[VarSub 1]})])
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('base', {[VarSub 2]})])
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('changes', {[ComSub (Pipeline (Com redirects=[(FilenameRedirectNode filename={[LIT_CHARS /dev/null]} <REDIR_GREAT "2>"> 2)]{[LIT_CHARS pax]} {[LIT_CHARS --nosummary]} {[LIT_CHARS -f]} {[VarSub delta]}) (Com {[LIT_CHARS sed]} {[LIT_CHARS -e]} {[SQ <LIT_CHARS "/^\\(update\\|create\\) /!d">]} {[LIT_CHARS -e]} {[SQ <LIT_CHARS "s/^[^ ]* //">]}) )]})])
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('tmp', {[LIT_CHARS /tmp/d2p-] [VarSub $]})])
  (Com {[LIT_CHARS trap]} {[DQ [LIT_CHARS "rm -rf "][VarSub tmp]]} {[LIT_CHARS 0]})
  (AndOr OP_OR_IF
    (Com {[LIT_CHARS mkdir]} {[VarSub tmp]} {[VarSub tmp] [LIT_CHARS /old]} {[VarSub tmp] [LIT_CHARS /new]})
    (Com {[LIT_CHARS exit]})
  )
  (Com {[LIT_CHARS pax]} {[LIT_CHARS --nosummary]} {[LIT_CHARS -rf]} {[VarSub base]} {[LIT_CHARS -s]} {[DQ [LIT_CHARS ",.*,"][VarSub tmp][LIT_CHARS "/old/&,"]]} {[VarSub changes]})
  (Com {[LIT_CHARS pax]} {[LIT_CHARS --nosummary]} {[LIT_CHARS -rf]} {[VarSub delta]} {[LIT_CHARS -z]} {[VarSub base]} {[LIT_CHARS -s]} {[DQ [LIT_CHARS ",.*,"][VarSub tmp][LIT_CHARS "/new/&,"]]} {[VarSub changes]})
  (Pipeline
    (Com {[LIT_CHARS diff]} {[LIT_CHARS -r]} {[LIT_CHARS -N]} {[LIT_CHARS -u]} {[VarSub tmp] [LIT_CHARS /old]} {[VarSub tmp] [LIT_CHARS /new]})
    (Com {[LIT_CHARS sed]} {[LIT_CHARS -e]} {[DQ [LIT_CHARS "s,"][VarSub tmp][LIT_CHARS "/new/,,g"]]} {[LIT_CHARS -e]} {[DQ [LIT_CHARS "s,"][VarSub tmp][LIT_CHARS "/old/,,g"]]} {[LIT_CHARS -e]} {[SQ <LIT_CHARS "s/^--- \\\\([^\\t]*\\\\)/&.orig/">]} {[LIT_CHARS -e]} {[SQ <LIT_CHARS "/^diff /s/ [^ ]*$/.orig&/">]})
  )
)