From: Tim Bunce [mailto:Tim.Bunce@ig.co.uk] ... > I have a vague memory that using the warnings pramga will make the code > use slightly more memory. It that still true (was it ever) and, if so, > what kind of typical percentage overhead is there? The overhead is still there but I've gone to lengths to minimise the impact. The cases below and the case where the pragma hasn't been used at all will add 4 bytes per line of code. use warnings ; use warnings 'all'; no warnings ; no warnings 'all' ; Any other variations on the use of the pragma will add about 13 bytes per line. Paul