(List
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('BLACKLIST', {[LIT_CHARS ./BLACKLIST.txt]})])
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('CHECKER', {[LIT_CHARS ./idempotent]})])
  (If
    (Com {[LIT_OTHER "["]} {[LIT_OTHER "!"]} {[LIT_CHARS -r]} {[DQ [VarSub BLACKLIST]]} {[LIT_OTHER "]"]})
    (List
      (Com {[LIT_CHARS echo]} {[DQ [VarSub BLACKLIST][LIT_CHARS " is not found."]]})
      (Com {[LIT_CHARS exit]} {[LIT_CHARS 1]})
    )
  )
  (If
    (Com {[LIT_OTHER "["]} {[LIT_OTHER "!"]} {[LIT_CHARS -x]} {[DQ [VarSub CHECKER]]} {[LIT_OTHER "]"]})
    (List
      (Com {[LIT_CHARS echo]} {[DQ [VarSub CHECKER][LIT_CHARS " is not found."]]})
      (Com {[LIT_CHARS exit]} {[LIT_CHARS 1]})
    )
  )
  (If
    (Com {[LIT_OTHER "["]} {[VarSub #]} {[LIT_CHARS -eq]} {[LIT_CHARS 0]} {[LIT_OTHER "]"]})
    (List
      (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('BASE_DIR', {[LIT_CHARS /usr/share/fonts/truetype/]})])
      (If
        (Com {[LIT_OTHER "["]} {[LIT_OTHER "!"]} {[LIT_CHARS -d]} {[VarSub BASE_DIR]} {[LIT_OTHER "]"]})
        (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('BASE_DIR', {[DQ [LIT_CHARS "/Library/Fonts/ /System/Library/Fonts/"]]})])
      )
      (Com {[LIT_CHARS find]} {[VarSub BASE_DIR]} {[LIT_CHARS -type]} {[LIT_CHARS f]} {[LIT_CHARS -name]} {[SQ <LIT_CHARS "*tf">]} {[LIT_CHARS -exec]} {[DQ [VarSub 0]]} {[LIT_LBRACE "{"] [LIT_RBRACE "}"]} {[\ LIT_ESCAPED_CHAR "\\;"]})
      (Com {[LIT_CHARS echo]})
      (Com {[LIT_CHARS exit]} {[LIT_CHARS 0]})
    )
  )
  (If
    (Com {[LIT_OTHER "["]} {[VarSub #]} {[LIT_CHARS -gt]} {[LIT_CHARS 1]} {[LIT_OTHER "]"]})
    (List
      (Com {[LIT_CHARS echo]} {[DQ [LIT_CHARS "Usage: "][VarSub 0][LIT_CHARS " [ttf_or_otf_file_name]"]]})
      (Com {[LIT_CHARS exit]} {[LIT_CHARS 1]})
    )
  )
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('base', {[ComSub (Com {[LIT_CHARS basename]} {[DQ [VarSub 1]]})]})])
  (AndOr OP_OR_IF
    (Com {[LIT_CHARS egrep]} {[LIT_CHARS -i]} {[LIT_CHARS -e]} {[DQ [LIT_CHARS "^"][VarSub base]]} {[DQ [VarSub BLACKLIST]]}
      <
      (FilenameRedirectNode filename={[LIT_CHARS /dev/null]} <REDIR_GREAT ">"> 1),
      (DescriptorRedirectNode target={[LIT_CHARS 1]} <REDIR_GREATAND "2>&"> 2),
      >
    )
    (AndOr OP_OR_IF
      (Com {[DQ [VarSub CHECKER]]} {[DQ [VarSub 1]]}
        <
        (FilenameRedirectNode filename={[LIT_CHARS /dev/null]} <REDIR_GREAT ">"> 1),
        (DescriptorRedirectNode target={[LIT_CHARS 1]} <REDIR_GREATAND "2>&"> 2),
        >
      )
      (Subshell
        (List
          (Com {[LIT_CHARS echo]})
          (Com {[LIT_CHARS echo]} {[DQ [LIT_CHARS "FAIL: "][VarSub 1][LIT_CHARS " (Run "][VarSub CHECKER][LIT_CHARS " "][VarSub 1][LIT_CHARS " for more information.)"]]})
        )
      )
    )
  )
  (Com {[LIT_CHARS echo]} {[LIT_CHARS -n]} {[DQ [LIT_CHARS .]]})
)