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Re: Merge the difference between two files and save it on the first file. Also update the first file with info in second file.

by hdb (Prior)
on Oct 14, 2013 at 07:03 UTC ( #1058134=note: print w/replies, xml ) Need Help??


in reply to Merge the difference between two files and save it on the first file. Also update the first file with info in second file.

As a one-liner: (make sure you keep a copy of file1 around...)

perl -ne "/^([^=]+)/ and $_{$1}=$_; END {print sort values %_}" file1 +file2 > file1
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