Just now I needed a utility that would read standard input and emit
the same lines in a random order. “Eh,” I said. “Maybe Linux comes
with one already. I wonder if there's a
Have I been in this movie before? I was quite hopeful at this point;
I guessed that either that
to see what would happen, and it did nothing, presumably because it was waiting for standard input. Better and better!
It did turn out to be exactly what I wanted, and I had no idea that I had it. I wonder when was the last time I used it? It might have been a very long time ago:
Wow. It's even possible that this is the first time that I've used it since 2006.
In Vernor Vinge's novels there are people who make a living doing “software archaeology”: you need to do some complex task, and maybe you don't have enough time (or enough understanding) to write a program to do it, but maybe you do have time to exhume and refurbish some thousand-year-old piece of software that does do it.