+use Maasha::Fasta;
+use Maasha::Biopieces;
+use Maasha::Filesys;
+use Maasha::TwoBit;
+
+
+# >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>><<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
+
+
+my ( $options, $in, $out, $record, $mask, $tmp_dir, $tmp_file, $fh_tmp, $fh_in, $fh_out, $entry );
+
+$options = Maasha::Biopieces::parse_options(
+ [
+ { long => 'no_stream', short => 'x', type => 'flag', mandatory => 'no', default => undef, allowed => undef, disallowed => undef },
+ { long => 'data_out', short => 'o', type => 'file', mandatory => 'no', default => undef, allowed => undef, disallowed => undef },
+ { 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( $options->{ "stream_out" } );
+
+$mask = 1 if not $options->{ "no_mask" };
+
+$tmp_dir = Maasha::Biopieces::get_tmpdir();
+
+$tmp_file = "$tmp_dir/write_2bit.fna";
+
+$fh_tmp = Maasha::Filesys::file_write_open( $tmp_file );
+
+$fh_out = Maasha::Biopieces::write_stream( $options->{ "data_out" } );
+
+while ( $record = Maasha::Biopieces::get_record( $in ) )
+{
+ if ( $entry = Maasha::Fasta::biopiece2fasta( $record ) ) {
+ Maasha::Fasta::put_entry( $entry, $fh_tmp );
+ }
+
+ Maasha::Biopieces::put_record( $record, $out ) if not $options->{ "no_stream" };
+}
+
+close $fh_tmp;
+
+$fh_in = Maasha::Filesys::file_read_open( $tmp_file );
+
+Maasha::TwoBit::fasta2twobit( $fh_in, $fh_out, $mask );
+
+close $fh_in;
+close $fh_out;
+
+unlink $tmp_file;
+
+Maasha::Biopieces::close_stream( $in );
+Maasha::Biopieces::close_stream( $out );
+
+
+# >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>><<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
+
+
+BEGIN
+{
+ Maasha::Biopieces::status_set();
+}
+
+
+END
+{
+ Maasha::Biopieces::status_log();
+}
+
+
+# >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>><<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
+