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by jrockway 5980 days ago
The whole 'useless use of cat' meme is basically designed to let Randal Schwartz make fun of people.

So true.

My requirement for a shell command is that it be reasonably easy to assemble, return something resembling the correct answer, and that it run in a reasonable amount of time.

If your requirements are more strict than those, it's time to write a real program.