(If
  (Com {[LIT_OTHER "["]} {[LIT_OTHER "!"]} {[LIT_CHARS -f]} {[LIT_CHARS secret_file]} {[LIT_OTHER "]"]})
  (List
    (Com {[LIT_CHARS echo]} {[DQ [LIT_CHARS " ** creating random encryption file in ./secret_file"]]})
    (Com {[LIT_CHARS touch]} {[LIT_CHARS secret_file]})
    (Com {[LIT_CHARS chmod]} {[LIT_CHARS 600]} {[LIT_CHARS secret_file]})
    (Pipeline
      (Com {[LIT_CHARS openssl]} {[LIT_CHARS rand]} {[LIT_CHARS -base64]} {[LIT_CHARS 512]})
      (Com {[LIT_CHARS tr]} {[LIT_CHARS -d]} {[SQ <LIT_CHARS "\\r\\n">]}
        <
        (FilenameRedirectNode filename={[LIT_CHARS secret_file]} <REDIR_DGREAT ">>"> 1),
        >
      )
    )
  )
  (ElseTrue)
  (Com {[LIT_CHARS echo]} {[DQ [LIT_CHARS " ** ./secret_file already exists"]]})
)