in reply to Use of uninitialized value in join or string

HTML code tags will look like <code> some_code(); </code> or, more briefly, <c> some_code(); </c> and they make your posting look a heck of a lot better and more readable — and more likely to garner a response. It should be pretty simple to put them in.

See also Writeup Formatting Tips and associated links if you haven't already.

Once you've taken a look at that stuff, please go back and edit your node: How do I change/delete my post?.