Joining Multiple Fields Using Unix Join

Posted by neversaint on Stack Overflow See other posts from Stack Overflow or by neversaint
Published on 2010-04-12T02:30:00Z Indexed on 2010/04/12 2:33 UTC
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How can I do it?

I have a file that looks like this

foo 1 scaf 3 
bar 2 scaf 3.3

File2 looks like this

foo 1 scaf 4.5
foo 1 boo 2.3
bar 2 scaf 1.00

What I want to do is to fine lines that co-occur in file1 and file2 when field 1,2,3 are the same.

Is there a way to do it?

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