Good point! I was aware that there are certain circumstances in which argv[0] might not contain the path to the executable but I didn't bother to look for an al

Good point! I was aware that there are certain circumstances in which argv[0] might not contain the path to the executable but I didn't bother to look for an alternative. When I get a chance, I'll incorporate your suggestion. Thanks. Thanks for sending your link, I'll take a look.