Unix Tip: DELETING BLANK LINES USING GREP

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UNIX GURU UNIVERSE
UNIX HOT TIP

Unix Tip 3321 - March 14, 2011

http://www.ugu.com/sui/ugu/show?tip.today

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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

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