babylon5:alaric:~:2 $ renum -t -d 4 -r foo bar* Unknown option: t Unknown option: d Unknown option: r Usage: renum [options] pattern files Options: -d digits Use digits in ordinal field -zero, -0 Begin numbering from 0 (default 1) -quiet Quiet (no progress messages) -reverse Reverse order -separator Use as separator character (default '-') -test, -n Do not make any actual changes All options may be abbreviated.