+use Maasha::Filesys;
+use Maasha::TwoBit;
+
+
+# >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>><<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
+
+
+my ( $options, $in, $out, $record, $file, $data_in, $mask, $toc, $line, $num );
+
+$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' },
+ { long => 'no_mask', short => 'N', type => 'flag', mandatory => 'no', default => undef, allowed => undef, disallowed => undef },
+ ]
+);
+
+$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, $out );
+}
+
+$mask = 1 if not $options->{ "no_mask" };
+
+$num = 1;
+
+foreach $file ( @{ $options->{ "data_in" } } )
+{
+ $data_in = Maasha::Filesys::file_read_open( $file );
+
+ $toc = Maasha::TwoBit::twobit_get_TOC( $data_in );
+
+ foreach $line ( @{ $toc } )
+ {
+ $record->{ "SEQ_NAME" } = $line->[ 0 ];
+ $record->{ "SEQ" } = Maasha::TwoBit::twobit_get_seq( $data_in, $line->[ 1 ], undef, undef, $mask );
+ $record->{ "SEQ_LEN" } = length $record->{ "SEQ" };
+
+ Maasha::Biopieces::put_record( $record, $out );
+
+ goto NUM if $options->{ "num" } and $num == $options->{ "num" };
+
+ $num++;
+ }
+
+ close $data_in;
+}
+
+NUM:
+
+close $data_in if $data_in;
+
+Maasha::Biopieces::close_stream( $in );
+Maasha::Biopieces::close_stream( $out );
+
+
+# >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>><<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
+
+
+BEGIN
+{
+ Maasha::Biopieces::status_set();
+}
+
+
+END
+{
+ Maasha::Biopieces::status_log();
+}
+
+
+# >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>><<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
+
+
+__END__