minky arora wrote:
Gunnar Hjalmarsson wrote:
minky arora wrote:
I have been able to retrive all the info i need and in the format that I want.

Would you mind letting us know about that format? Doing so might help us help you with your next question...

Sure,

If i understand correctly,I am pasting a part of the file to give you
a better idea of wat I am trying to do:

<new file extract snipped>

No, that's not what I meant. Anyway, if the file is not huge, I think I would simply slurp it.

    my %diffs;
    {
        local $/;
        local $_ = <FILE>;
        while ( m/
                    gene\s+\d+\.\.(\d+).+?
                    gene="([^"]+)".+?
                    CDS\s+\d+\.\.(\d+)
                /gsx ) {
            $diffs{$2} = $1 - $3;
        }
    }
    print "$_ -> $diffs{$_}\n" for keys %diffs;

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Gunnar Hjalmarsson
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