>>>>> "Ronald" == Ronald J Kimball <[EMAIL PROTECTED]> writes:
Ronald> Why would it throw warnings? ref() returns empty string if the argument Ronald> isn't a reference. At one point, I'm sure it returned undef on a non-reference. Maybe I'm getting too old. -- Randal L. Schwartz - Stonehenge Consulting Services, Inc. - +1 503 777 0095 <merlyn@stonehenge.com> <URL:http://www.stonehenge.com/merlyn/> Perl/Unix/security consulting, Technical writing, Comedy, etc. etc. See PerlTraining.Stonehenge.com for onsite and open-enrollment Perl training!