(List
  (Com {[LIT_CHARS set]} {[LIT_CHARS -e]})
  (= scope=<EAssignScope.GLOBAL 1> flags=1 words=[] bindings=[('PATH', {[DQ [LIT_CHARS "/usr/bin:/usr/sbin:/bin:/sbin"]]})])
  (Com {[LIT_CHARS echo]} {[DQ [VarSub $]]})
  (If
    (Com {[LIT_OTHER "["]} {[VarSub #]} {[LIT_CHARS -ne]} {[LIT_CHARS 1]} {[LIT_OTHER "]"]})
    (List
      (Com {[LIT_CHARS echo]} {[DQ [LIT_CHARS "usage: "][VarSub 0][LIT_CHARS " APP"]]}
        <
        (DescriptorRedirectNode target={[LIT_CHARS 2]} <REDIR_GREATAND ">&"> 1),
        >
      )
      (Com {[LIT_CHARS exit]} {[LIT_CHARS 2]})
    )
  )
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('APP', {[DQ [VarSub 1]]})])
  (If
    (AndOr OP_OR_IF
      (Com {[LIT_OTHER "["]} {[LIT_CHARS -z]} {[DQ [VarSub APP]]} {[LIT_OTHER "]"]})
      (AndOr OP_OR_IF
        (Com {[LIT_OTHER "["]} {[DQ [VarSub APP transform_ops=[Slice {A Atom NODE_ARITH_WORD {[AS_NUM_LITERAL 0]}} {A Atom NODE_ARITH_WORD {[AS_NUM_LITERAL 1]}}]]]} {[LIT_OTHER "!"] [LIT_OTHER "="]} {[DQ [LIT_CHARS /]]} {[LIT_OTHER "]"]})
        (Com {[LIT_OTHER "["]} {[LIT_OTHER "!"]} {[LIT_CHARS -d]} {[DQ [VarSub APP]]} {[LIT_OTHER "]"]})
      )
    )
    (List
      (Com {[LIT_CHARS echo]} {[DQ [VarSub 0][LIT_CHARS ": must provide an absolute path naming an extant directory"]]}
        <
        (DescriptorRedirectNode target={[LIT_CHARS 2]} <REDIR_GREATAND ">&"> 1),
        >
      )
      (Com {[LIT_CHARS exit]} {[LIT_CHARS 3]})
    )
  )
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('OWNER_GROUP', {[DQ [LIT_CHARS "root:wheel"]]})])
  (Com {[LIT_CHARS chown]} {[LIT_CHARS -Rh]} {[DQ [VarSub OWNER_GROUP]]} {[DQ [VarSub APP]]}
    <
    (DescriptorRedirectNode target={[LIT_CHARS /dev/null]} <REDIR_GREATAND ">&"> 1),
    >
  )
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('CHMOD_MODE', {[DQ [LIT_CHARS "a+rX,u+w,go-w"]]})])
  (Com {[LIT_CHARS chmod]} {[LIT_CHARS -R]} {[DQ [VarSub CHMOD_MODE]]} {[DQ [VarSub APP]]}
    <
    (DescriptorRedirectNode target={[LIT_CHARS /dev/null]} <REDIR_GREATAND ">&"> 1),
    >
  )
  (Com {[LIT_CHARS find]} {[DQ [VarSub APP]]} {[LIT_CHARS -type]} {[LIT_CHARS l]} {[LIT_CHARS -exec]} {[LIT_CHARS chmod]} {[LIT_CHARS -h]} {[DQ [VarSub CHMOD_MODE]]} {[LIT_LBRACE "{"] [LIT_RBRACE "}"]} {[LIT_OTHER "+"]}
    <
    (DescriptorRedirectNode target={[LIT_CHARS /dev/null]} <REDIR_GREATAND ">&"> 1),
    >
  )
  (Com {[LIT_CHARS exit]} {[LIT_CHARS 0]})
)