my ( $options, $in, $out, $default, $terminals, $record, %data_hash, $max, @data_list, $i, $result, $fh );
$default = "Histogram";
-$terminals = "dumb,x11,aqua,post,svg";
+$terminals = "dumb,x11,aqua,post,svg,png";
$options = Maasha::Biopieces::parse_options(
[