I don’t have anything interesting to say today, so instead I’m going to link to an oldish post on my junkcode wiki (rss feed). Namely redcat — a program that merges ed-format diffs, so they can be applied in a single pass. That makes a big difference when dealing with anywhere more than a few small patches to a single large file, most particularly when working with apt and pdiffs. There’s no actual plans to improve apt along these lines as far as I know — at least, there wasn’t any response when I poked the apt list some time ago — but it’s still got a couple of interesting coding techniques folks might find interesting.

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