fanbelt

They must have been moving very fast!

That looks like a different program named dog by coincidence. My dog had no bells and whistles. Do you happen to know where the source for this is?

I worked with some version of Unix in 1984 that had a program called dog. It would silently wait for a <CR> to be pressed after each screen of output. I've never seen it anywhere else.

For me, rule 11 conflicts with rules 59 and 63. There is a merge conflict.