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UGU: Unix Guru Universe - Unix Tip #4288- December 7, 2012 - Home : Help : Today's Tip
Unix Tip #4288- December 7, 2012

DIFFERENCES WITHOUT USING DIFF


Ever have two files that are lists
and want to find out what is in the
second list but not in the first list.

grep -v -f first.list second.list


NOTE: All tips provided are USE AT YOUR OWN RISK. Tips are submitted by various unix admins around the globe. UGU suggest you read and test each tip in a non-volitile environment before placing into production.


LAST 5 TIPS
4287 - WHAT AM I LISTENING FOR?
4286 - HIDING ECHO
4285 - LINE LENGTH / NUMBER OCCURRENCES
4284 - SAVING MAN PAGES
4283 - COUNTING BLANK LINES


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