Unix Tip #4288- December 7, 2012


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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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