-#!/usr/bin/env perl
+#!/usr/bin/env ruby
-# Copyright (C) 2007-2009 Martin A. Hansen.
+# Copyright (C) 2007-2010 Martin A. Hansen.
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# http://www.gnu.org/copyleft/gpl.html
-
-# >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> DESCRIPTION <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
-
-# Read FASTA entries from one or more files.
-
# >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>><<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
+# This program is part of the Biopieces framework (www.biopieces.org).
-use strict;
-use Maasha::Biopieces;
-use Maasha::Filesys;
-use Maasha::Fasta;
-
-
-# >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>><<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
-
-
-my ( $options, $in, $out, $record, $data_in, $num, $entry );
-
-$options = Maasha::Biopieces::parse_options(
- [
- { long => 'data_in', short => 'i', type => 'files!', mandatory => 'no', default => undef, allowed => undef, disallowed => undef },
- { long => 'num', short => 'n', type => 'uint', mandatory => 'no', default => undef, allowed => undef, disallowed => '0' },
- ]
-);
-
-$in = Maasha::Biopieces::read_stream( $options->{ "stream_in" } );
-$out = Maasha::Biopieces::write_stream( $options->{ "stream_out" } );
-
-while ( $record = Maasha::Biopieces::get_record( $in ) ) {
- Maasha::Biopieces::put_record( $record, $out );
-}
-
-if ( $options->{ 'data_in' } )
-{
- $data_in = Maasha::Filesys::files_read_open( $options->{ 'data_in' } );
-
- $num = 1;
-
- while ( $entry = Maasha::Fasta::get_entry( $data_in ) )
- {
- if ( $record = Maasha::Fasta::fasta2biopiece( $entry ) ) {
- Maasha::Biopieces::put_record( $record, $out );
- }
-
- last if $options->{ "num" } and $num == $options->{ "num" };
-
- $num++;
- }
-
- close $data_in;
-}
-
-Maasha::Biopieces::close_stream( $in );
-Maasha::Biopieces::close_stream( $out );
+# >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> DESCRIPTION <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
+# Read FASTA entries from one or more files.
# >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>><<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
-
-BEGIN
-{
- Maasha::Biopieces::status_set();
-}
-
-
-END
-{
- Maasha::Biopieces::status_log();
-}
+require 'maasha/biopieces'
+require 'maasha/fasta'
+
+casts = []
+casts << {:long=>'data_in', :short=>'i', :type=>'files!', :mandatory=>false, :default=>nil, :allowed=>nil, :disallowed=>nil}
+casts << {:long=>'num', :short=>'n', :type=>'uint', :mandatory=>false, :default=>nil, :allowed=>nil, :disallowed=>'0'}
+
+options = Biopieces.options_parse(ARGV, casts)
+
+Biopieces.open(options[:stream_in], options[:stream_out]) do |input, output|
+ unless options[:data_in] and options[:data_in].first == '-'
+ input.each_record do |record|
+ output.puts record
+ end
+ end
+
+ num = 0
+ last = false
+
+ if options.has_key? :data_in
+ options[:data_in].each do |file|
+ Fasta.open(file, mode='r') do |fasta|
+ fasta.each do |entry|
+ output.puts entry.to_bp
+ num += 1
+
+ if options.has_key? :num and options[:num] == num
+ last = true
+ break
+ end
+ end
+ end
+
+ break if last
+ end
+ end
+end
# >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>><<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<