True, or even further, grep -xvFf, to not only match the entire line, but to treat the "patterns" from file2 as fixed strings rather than regexes. L~R has a good point about large file size limitations, though. I can't really speak to that point.

In reply to Re^4: Filtering lines from one file from another by bellaire
in thread Filtering lines from one file from another by antonn

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