[Bioperl-l] "jump" to the right sequence in a SeqIO object

Brian Osborne bosborne11 at verizon.net
Mon Jan 29 22:56:26 EST 2007


And http://www.bioperl.org/wiki/HOWTO:Beginners#Indexing_for_Fast_Retrieval.


On 1/29/07 10:12 PM, "Torsten Seemann"
<torsten.seemann at infotech.monash.edu.au> wrote:

>> This file contains 100 fasta sequences.  Right now I only want to deal with
>> two of them, with the display ID "X" and "Y" respectively.
>> My question is, is there some other way to do that? Is it possible to
>> locate the two sequences that have the display ID as "X" and "Y" directly,
>> without looping
>> through the whole list?
> 
> http://www.bioperl.org/wiki/Bptutorial.pl#Indexing_and_accessing_local_databas
> es_Bio::Index::.2A.2C_bp_index.pl.2C_bp_fetch.pl.2C_Bio::DB::.2A.29
> http://www.bioperl.org/wiki/Module:Bio::Index::Fasta
> http://www.bioperl.org/wiki/FAQ#How_do_I_use_Bio::Index::Fasta_and_index_on_di
> fferent_ids.3F
> 
> --Torsten
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