Thanks, but this wasn't what I wanted. My files looks like: 
ID1     50
ID2     60
ID3     100

FILE2:
ID1     20
ID2     100
ID3      10

OUTPUT:
ID1     50     20
ID2     60     100
ID3     100    10

[download]

In reply to Re^2: Join files using perl by linseyr
in thread Join files using perl by linseyr

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