A UNIX version of the DEC-2136 program “worms”.
The options are as follows:
-f Makes a “field” for the worm(s) to eat.
-t Makes each worm leave a trail behind it.
-d Specifies a delay, in milliseconds, between each update. This is useful for fast
terminals. Reasonable values are around 20-200. The default is 0.
-l Specifies a length for each worm; the default is 16.
-n Specifies the number of worms; the default is 3. May 31, 1993