(List
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('LC_ALL', {[LIT_CHARS C]})])
  (= scope=<EAssignScope.GLOBAL 1> flags=1 words=[{[LIT_CHARS LC_ALL]}] bindings=[])
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('datadir', {[DQ [LIT_CHARS tests/data]]})])
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('logfile', {[DQ [VarSub datadir][LIT_CHARS /copy.regression]]})])
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('reffile', {[DQ [VarSub 1]]})])
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('list', {[ComSub (Pipeline (Com {[LIT_CHARS grep]} {[LIT_CHARS -oh]} {[SQ <LIT_CHARS " ./tests/data/.*">]} {[LIT_CHARS tests/ref/] [LIT_LBRACE "{"] [LIT_CHARS acodec] [LIT_COMMA ","] [LIT_CHARS lavf] [LIT_COMMA ","] [LIT_CHARS vsynth1] [LIT_RBRACE "}"] [LIT_CHARS /] [LIT_OTHER "*"]}) (Com {[LIT_CHARS sort]}) )]})])
  (Com {[LIT_CHARS rm]} {[LIT_CHARS -f]} {[VarSub logfile]})
  (For i [{[VarSub list]}])
    (List
      (Com {[LIT_CHARS echo]} {[LIT_CHARS ----------------]}
        <
        (FilenameRedirectNode filename={[VarSub logfile]} <REDIR_DGREAT ">>"> 1),
        >
      )
      (Com {[LIT_CHARS echo]} {[VarSub i]}
        <
        (FilenameRedirectNode filename={[VarSub logfile]} <REDIR_DGREAT ">>"> 1),
        >
      )
      (Com {[LIT_CHARS ./ffmpeg_g]} {[LIT_CHARS -flags]} {[LIT_OTHER "+"] [LIT_CHARS bitexact]} {[LIT_CHARS -i]} {[VarSub i]} {[LIT_CHARS -acodec]} {[LIT_CHARS copy]} {[LIT_CHARS -vcodec]} {[LIT_CHARS copy]} {[LIT_CHARS -y]} {[LIT_CHARS first.nut]})
      (Com {[LIT_CHARS ./ffmpeg_g]} {[LIT_CHARS -flags]} {[LIT_OTHER "+"] [LIT_CHARS bitexact]} {[LIT_CHARS -i]} {[LIT_CHARS first.nut]} {[LIT_CHARS -acodec]} {[LIT_CHARS copy]} {[LIT_CHARS -vcodec]} {[LIT_CHARS copy]} {[LIT_CHARS -y]} {[LIT_CHARS second.nut]})
      (Com {[LIT_CHARS cmp]} {[LIT_CHARS first.nut]} {[LIT_CHARS second.nut]}
        <
        (FilenameRedirectNode filename={[VarSub logfile]} <REDIR_DGREAT ">>"> 1),
        >
      )
      (Com {[LIT_CHARS md5sum]} {[LIT_CHARS first.nut]}
        <
        (FilenameRedirectNode filename={[VarSub logfile]} <REDIR_DGREAT ">>"> 1),
        >
      )
    )
  )
  (If
    (Com {[LIT_CHARS diff]} {[LIT_CHARS -u]} {[LIT_CHARS -w]} {[DQ [VarSub reffile]]} {[DQ [VarSub logfile]]})
    (List
      (Com {[LIT_CHARS echo]})
      (Com {[LIT_CHARS echo]} {[LIT_CHARS copy]} {[LIT_CHARS regression]} {[LIT_CHARS test] [LIT_OTHER ":"]} {[LIT_CHARS success]})
      (Com {[LIT_CHARS exit]} {[LIT_CHARS 0]})
    )
    (ElseTrue)
    (List
      (Com {[LIT_CHARS echo]})
      (Com {[LIT_CHARS echo]} {[LIT_CHARS copy]} {[LIT_CHARS regression]} {[LIT_CHARS test] [LIT_OTHER ":"]} {[LIT_CHARS error]})
      (Com {[LIT_CHARS exit]} {[LIT_CHARS 1]})
    )
  )
)