3 # Copyright (C) 2007-2009 Martin A. Hansen.
5 # This program is free software; you can redistribute it and/or
6 # modify it under the terms of the GNU General Public License
7 # as published by the Free Software Foundation; either version 2
8 # of the License, or (at your option) any later version.
10 # This program is distributed in the hope that it will be useful,
11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 # GNU General Public License for more details.
15 # You should have received a copy of the GNU General Public License
16 # along with this program; if not, write to the Free Software
17 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
19 # http://www.gnu.org/copyleft/gpl.html
22 # >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> DESCRIPTION <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
24 # Introduce mutations into sequences in the stream.
26 # >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>><<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
32 use Maasha::Biopieces;
36 # >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>><<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
39 my ( $options, $in, $out, $type, $alph, $mutations, $seq_len, $record );
41 $options = Maasha::Biopieces::parse_options(
43 { long => 'number', short => 'n', type => 'uint', mandatory => 'no', default => undef, allowed => undef, disallowed => 0 },
44 { long => 'percent', short => 'p', type => 'float', mandatory => 'no', default => undef, allowed => undef, disallowed => 0 },
45 { long => 'type', short => 't', type => 'string', mandatory => 'no', default => undef, allowed => 'rna,dna,protein', disallowed => undef },
49 Maasha::Common::error( qq(both --number and --percent specified) ) if $options->{ "number" } and $options->{ "percent" };
50 Maasha::Common::error( qq(no --number or --percent specified) ) if not $options->{ "number" } and not $options->{ "percent" };
52 $in = Maasha::Biopieces::read_stream( $options->{ "stream_in" } );
53 $out = Maasha::Biopieces::write_stream( $options->{ "stream_out" } );
55 while ( $record = Maasha::Biopieces::get_record( $in ) )
57 if ( $record->{ "SEQ" } )
59 $seq_len = length $record->{ "SEQ" };
60 $type = $options->{ "type" } || Maasha::Seq::seq_guess_type( $record->{ "SEQ" } );
61 $alph = Maasha::Seq::seq_alph( $type );
62 $mutations = $options->{ "number" } || int( $seq_len * ( $options->{ "percent" } / 100 ) );
64 Maasha::Common::error( qq(mutations > sequence length: $mutations > $seq_len) ) if $mutations > $seq_len;
66 $record->{ "SEQ" } = Maasha::Seq::seq_mutate( $record->{ "SEQ" }, $mutations, $alph );
69 Maasha::Biopieces::put_record( $record, $out );
72 Maasha::Biopieces::close_stream( $in );
73 Maasha::Biopieces::close_stream( $out );
76 # >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>><<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
81 Maasha::Biopieces::status_set();
87 Maasha::Biopieces::status_log();
91 # >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>><<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<