def command_show_revision(self):
        modified = '$Date: 2010-01-13 13:03:18 -0500 (Wed, 13 Jan 2010) $'
        revision = '$Revision: 58983 $'

        import re
        re_keyword_value = re.compile( r'^\$\w+:\s+(.*)\s+\$$' )
        print '\n\tRevision: %s' % re_keyword_value.match( revision ).group( 1 )
        print '\tLast modified on: %s\n' % re_keyword_value.match( modified ).group( 1 )