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| PerlMonks |
Re: Compare 3 files and print matches in Perlby vinoth.ree (Monsignor) |
| on Oct 26, 2015 at 03:25 UTC ( [id://1145908]=note: print w/replies, xml ) | Need Help?? |
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Hi,
If you files are sorted one, you can use linux command comm to find the common lines from all the three files, comm -12 fileA fileB | comm -12 - fileC
-1 : suppress lines unique to FILE1
-2 : suppress lines unique to FILE2
-3 : suppress lines that appear in both files
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