Compare Columns of two files


 
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# 1  
Old 12-05-2011
Compare Columns of two files

Hi

I have file 1 like this

Quote:
1 kkiid 334 RRRR +
2 kkiii 4455 ssspp +
3 llold 9902 llopp -
4 aasas 1002 ACGT +
and file 2 like this

Quote:
23 iieer 334 TTRR -
44 wwe 9902 OORO +
I need to compare column 3 of both files and delete lines in file1 with same column 3 values in two files. So the output is

Quote:
2 kkiii 4455 ssspp +
4 aasas 1002 ACGT +
I tried with perl but didnt work. A perl code will be good as I am learning the language, but any other code would be just fine. thanks in advance. Smilie
# 2  
Old 12-05-2011
There are so many posts in this forum with the same query...
Code:
awk 'NR==FNR{_[$3]++;next}!_[$3]' file2 file1

--ahamed
This User Gave Thanks to ahamed101 For This Post:
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