Unix: Can some command or script subtract lines in one file from another faster than grep?

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Peter Schneider
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Can some command or script subtract lines in one file from another faster than grep?
I hope you found a solution that worked for you :)
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Thanks to all those great people for their contributions!

(unix.stackexchange.com/users/511365/darius-dauer)Darius Dauer
(unix.stackexchange.com/users/364760/anthony-de-vellis)Anthony De Vellis
A special thanks goes out to the (https://unix.stackexchange.com/questions/752732/can-some-command-or-script-subtract-lines-in-one-file-from-another-faster-than-g)Stackexchange community

I wish you all a wonderful day! Stay safe :)

performance text-processing



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