I would love to see the output when you run this program first. 

use strict;
use warnings;

open my $fh, '<', 'kegg_pathway_title.txt' or die $!;
while (<$fh>) { print $.,' ',$_ if /\t/;}

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In reply to Re: Parsing csv without changing dimension of original file by huck
in thread Parsing csv without changing dimension of original file by zillur

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