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UGU: Unix Guru Universe - Unix Tip #4290- December 9, 2012
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Unix Tip #4290- December 9, 2012
MERGING TWO FILES
The following concatenates two
files but does not print duplicate lines.
$ awk 's[$0]++==0' file1 file2
(It stores/compares all line in/with the s array.)
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LAST 5 TIPS
4289
- BACKING UP PASSWORDS
4288
- DIFFERENCES WITHOUT USING DIFF
4287
- WHAT AM I LISTENING FOR?
4286
- HIDING ECHO
4285
- LINE LENGTH / NUMBER OCCURRENCES
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