@Anonymous Monk, thanks for your reply. But I get the following error. How can i fixed it? 
Use of uninitialized value in join or string at ./rmsd2.pl line 30, <$
+input_file1> line 14.

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In reply to Re^2: Adding some columns into a file from two files using perl by perlselami
in thread Adding some columns into a file from two files using perl by perlselami

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