Cross posted on the Perl Guru Forum: http://perlguru.com/gforum.cgi?post=82700;sb=post_latest_reply;so=ASC;forum_view=forum_view_collapsed;;page=unread#unread

There is nothing wrong with cross-posting questions, but it is considered polite to inform people about that, in order to avoid the risk of work duplication at various places on the Internet.