Unix Tip #4668- December 22, 2014


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DELETING BLANK LINES USING GREP


For thos who are not familiar with
awk, but still want a quick and easy
way of removing blank lines from a
flat ascii file, remember that the
use of 'cat' in conjuction with
'grep' is just as effective.

cat file1 | grep -v '^$' >file2
mv -f file2 file1

This tip generously supported by: dave_tomkins@tands.co.uk


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.


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