why ... $mc_value being printed ... after $p_value and not infront ...

That's the order you are printing in, isn't it? 

       if ($mc_value) {
        print "\t" . ' ' x length $p_value;}
        $mc_value=$line;
        print "\t$mc_value";

[download]

should I put OUT infront of every print

Yes, or you can select OUT; before your first print statement. That selects OUT as the default filehandle for output.

Another suggestion. You have instances like this: 

     } elsif ($line=~/\bProcessing\s/) {
            $line=~s/\bProcessing\s\d+\.tx\.\d+: //;
            $u_value = $line;

[download]

Which could be simplified: 

     } elsif ($line=~s/\bProcessing\s\d+\.tx\.\d+: //){
            $u_value = $line;

[download]

And you could simplify throughout with $_ instead of $line, but that's a matter of preference.

In reply to Re^11: tab delimited extraction, formatting the output by hbm
in thread tab delimited extraction, formatting the output by zzgulu

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