+use Maasha::Biopieces;
+
+
+# >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>><<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
+
+
+my ( $options, $in, $out, $record, @join, $i );
+
+$options = Maasha::Biopieces::parse_options(
+ [
+ { long => 'keys', short => 'k', type => 'list', mandatory => 'yes', default => undef, allowed => undef, disallowed => undef },
+ { long => 'delimit', short => 'd', type => 'string', mandatory => 'no', default => '_', 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 ) )
+{
+ if ( exists $record->{ $options->{ "keys" }->[ 0 ] } )
+ {
+ @join = $record->{ $options->{ "keys" }->[ 0 ] };
+
+ for ( $i = 1; $i < @{ $options->{ "keys" } }; $i++ ) {
+ push @join, $record->{ $options->{ "keys" }->[ $i ] } if exists $record->{ $options->{ "keys" }->[ $i ] };
+ }
+
+ $record->{ $options->{ "keys" }->[ 0 ] } = join $options->{ "delimit" }, @join;
+ }
+
+ Maasha::Biopieces::put_record( $record, $out );
+}
+
+Maasha::Biopieces::close_stream( $in );
+Maasha::Biopieces::close_stream( $out );
+
+
+# >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>><<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
+
+
+BEGIN
+{
+ Maasha::Biopieces::status_set();
+}
+
+
+END
+{
+ Maasha::Biopieces::status_log();
+}
+
+
+# >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>><<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
+