[Bioperl-l] write_sequence

[Josh Lauricha]

On Mon 05/09/05 18:47, Ferdinand Marl?taz wrote:
> Sorry if my question is stupid !!!
> 
> I start programming using bioperl and I've a little problem with the
> function write_sequence. In fact I'd like to add sequence to
> pre-existing files  in a loop and I was convinced that re-do a
> write_seq on a already written file would only add the interest
> lines... But it's not the case and  it overwrites my previous files.
> What could be the solution to this problem ???

Use:
    my $in = new Bio::SeqIO( -filename => ">>foo" ... )
rather than.
    my $in = new Bio::SeqIO( -filename => "foo" ... )

the ">>" will tell Perl to append to the file.

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