rcs: ident

 
 2.4 Invoking ident
 ==================
 
      ident [options] [file ...]
 
 If no FILE is specified, scan standard input.  The ident command scans
 its input for keywords (⇒Concepts), displaying to standard output
 what it finds.
 
 -q
      Normally, if no patterns are found for a file, ident emits a
      warning.  This option suppresses the warning.
 
 -V
      Note that ‘-VN’ is _not_ a valid option for ident, in contrast to
      most other RCS commands (⇒Misc common options).
 
    In addition to the normal keyword pattern, for Subversion 1.2 (and
 later) compatibility(1), ident also recognizes patterns having one of
 the forms:
 
      $KEYWORD:: TEXT $
      ;; two colons and space after keyword
      ;; space before ending $
 
      $KEYWORD:: TEXT#$
      ;; two colons and space after keyword
      ;; hash before ending $
 
    ---------- Footnotes ----------
 
    (1) The “fixed-length keyword syntax” is described in detail in
 Version Control with Subversion, chapter “Advanced Topics”, section
 “Keyword Substitution”.