(List
  (If
    (Com {[LIT_DBRACKET_LIKE "["]} {[LIT_CHARS 0] [VarSub V]} {[LIT_CHARS -ge]} {[LIT_CHARS 3]} {[LIT_DBRACKET_LIKE "]"]}    )
    (Com {[LIT_CHARS set]} {[LIT_CHARS -x]}    )
  )
  (Com {[LIT_CHARS set]} {[LIT_CHARS -e]}  )
  (Com {[LIT_CHARS xmllint]} {[DQ [VarSub @]]}
    <
    (FilenameRedirectNode filename={[ComSub (Com redirects=[(DescriptorRedirectNode target={[LIT_CHARS 2]} <REDIR_GREATAND "1>&"> 1)]{[LIT_CHARS grep]} {[LIT_CHARS -v]} {[LIT_CHARS --regexp] [LIT_DBRACKET_LIKE "="] [SQ <LIT_CHARS "validates$">]})]} <REDIR_GREAT "2>"> 2),
    >
  )
)