vc

vc [options] [keyword=value ...]

Copy lines from standard input to standard output under control of the vc keywords and arguments within the standard input. This command is obsolete.

Options

-a

Replace control keywords in all lines, including text lines.

-ck

Use k instead of : as the control character.

-s

Suppress warning messages.

-t

If any control characters are found before the first tab in the file, remove all characters up to the first tab.