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by derekp7
2662 days ago
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I can't tell you how many times a combination of sort and join, with a bit of awk has saved by bacon. Seems to be a rather rare skill to have among the various Unix admins I've worked with in the past. One thing to note, set LANG=C before doing operations with sort and join. I'm not sure if it is a bug, or if it is in all versions, but if you have for example LANG=en_US.utf8 then sort will use one order ("_" comes before '-"), but join uses ASCII order. Note, you don't have to export LANG=C, just put it prior to the command your are launching to export it to just that one command. LANG=C sort ...
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