Provided by: libbio-perl-perl_1.6.923-1_all bug


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


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

         use Bio::SeqIO;

         # read the metafasta file
         $io = Bio::SeqIO->new(-file => "test.metafasta",
                               -format => "metafasta" );

         $seq = $io->next_seq;


       This object can transform Bio::Seq::Meta objects to and from metafasta flat file

       For sequence part the code is an exact copy of Bio::SeqIO::fasta module. The only added
       bits deal with meta data IO.

       The format of a metafasta file is


       where the sequence block is followed by one or several meta blocks.  Each meta block
       starts with the ampersand character '&' in the first column and is immediately followed by
       the name of the meta data which continues until the new line. The meta data follows it.
       All characters, except new line, are important in meta data.


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AUTHOR - Heikki Lehvaslaiho

       Email heikki-at-bioperl-dot-org


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

        Title   : next_seq
        Usage   : $seq = $stream->next_seq()
        Function: returns the next sequence in the stream
        Returns : Bio::Seq object
        Args    : NONE

        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 to n Bio::PrimarySeqI objects

        Title   : width
        Usage   : $obj->width($newval)
        Function: Get/Set the line width for METAFASTA output
        Returns : value of width
        Args    : newvalue (optional)