[Bioperl-l] Fasta headers

[Ewan Birney]

On Mon, 3 Jan 2005, Rasa Gulbinaite wrote:

> Hello,
>
> i'm new to bioperl and a bit confused with fasta file headers. I'm working
> with SNPs and i would like to get only the fasta headers form the fasta
> file, not the sequences. What would be the best way to do this? Thank you.

The desc() method on a sequence object has this - eg:


$seqin = Bio::SeqIO->new( -file => 'my_filename' , -format => 'fasta');

while( ($seq = $seqin->next_seq()) ) {
   $header = $seq->desc();
}




>
> Rasa
>
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