On Fri, 23 Aug 2019 23:03:26 -0400
Chris Tyler <[email protected]> wrote:

> ...Which you can then compare your input file against using the comm
> command. (It runs in <5s on my chromebook here).

comm is fine, and it's faster than diff if the files are small enough
to fit in RAM. You'll have problems if comm starts paging which is why
I favor diff as a general purpose solution.

-- 
Rich Pieri
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