Christopher Fields > BioPerl-1.6.922 > Bio::SeqIO::fasta

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Module Version: 1.006922   Source   Latest Release: BioPerl-1.6.924

NAME ^

Bio::SeqIO::fasta - fasta sequence input/output stream

SYNOPSIS ^

Do not use this module directly. Use it via the Bio::SeqIO class.

DESCRIPTION ^

This object can transform Bio::Seq objects to and from fasta flat file databases.

FEEDBACK ^

Mailing Lists

User feedback is an integral part of the evolution of this and other Bioperl modules. Send your comments and suggestions preferably to one of the Bioperl mailing lists. Your participation is much appreciated.

  bioperl-l@bioperl.org                  - General discussion
  http://bioperl.org/wiki/Mailing_lists  - About the mailing lists

Support

Please direct usage questions or support issues to the mailing list:

bioperl-l@bioperl.org

rather than to the module maintainer directly. Many experienced and reponsive experts will be able look at the problem and quickly address it. Please include a thorough description of the problem with code and data examples if at all possible.

Reporting Bugs

Report bugs to the Bioperl bug tracking system to help us keep track the bugs and their resolution. Bug reports can be submitted via the web:

  https://redmine.open-bio.org/projects/bioperl/

AUTHORS - Ewan Birney & Lincoln Stein ^

Email: birney@ebi.ac.uk lstein@cshl.org

CONTRIBUTORS ^

Jason Stajich, jason-at-bioperl.org

APPENDIX ^

The rest of the documentation details each of the object methods. Internal methods are usually preceded with a _

next_seq

 Title   : next_seq
 Usage   : $seq = $stream->next_seq()
 Function: returns the next sequence in the stream
 Returns : Bio::Seq object, or nothing if no more available
 Args    : NONE

write_seq

 Title   : write_seq
 Usage   : $stream->write_seq(@seq)
 Function: Writes the $seq object into the stream
 Returns : 1 for success and 0 for error
 Args    : Array of 1 or more Bio::PrimarySeqI objects

width

 Title   : width
 Usage   : $obj->width($newval)
 Function: Get/Set the line width for FASTA output (not counting whitespace).
 Returns : value of width
 Args    : newvalue (optional)

block

 Title   : block
 Usage   : $obj->block($newval)
 Function: Get/Set the length of each block for FASTA output. Sequence blocks
           will be split with a space. Configuring block, to a value of 10 for
           example, allows to easily indentify a position in a sequence by eye.
 Default : same value used for width.
 Returns : value of block
 Args    : newvalue (optional)

preferred_id_type

 Title   : preferred_id_type
 Usage   : $obj->preferred_id_type('accession')
 Function: Get/Set the preferred type of identifier to use in the ">ID" position
           for FASTA output.
 Returns : string, one of values defined in @Bio::SeqIO::fasta::SEQ_ID_TYPES.
 Default : display
 Args    : string when setting. This must be one of values defined in
           @Bio::SeqIO::fasta::SEQ_ID_TYPES. Allowable values:
           accession, accession.version, display, primary
 Throws  : fatal exception if the supplied id type is not in @SEQ_ID_TYPES.
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