Do it again

C-x z (repeat) is a little bit of a mystery to me.

That is, I don’t know when you would use it.

I mean, if you need to kill five lines, giving a numerical prefix to the kill line command, like M-5 C-k, makes good sense to me—you have an idea of how much you need to delete, do it all in one fell swoop.

Or if you’ve got a simple set of commands you need repeated, whip up a small keyboard macro, and then repeat it with C-x e (kmacro-end-and-call-macro), and then keep hitting e until you’re done.

But I’ve been trying to figure out when I’d need to use C-x z and I can’t come up with a situation where it’s not going to be as many keystrokes as whatever I was already going to do.

Still, hope springs eternal. Now that I’m aware of it, perhaps I’ll start noticing uses for it.

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