ben(a)666.com wrote: I guess I didn't make it clear enough: I left the .patch extension as octet-stream because there are valid binary files (on the PC) whose file extensions may be ".patch". However, your idea of dynamically determining the type based upon file contents in an excellent suggestion (and would also solve the current .diff/.patch dichotomy). Just a simple text/binary test (ala Perl) would be sufficient for a large number of cases. I'll try to get something working in a couple of days or so. -- Darryl Okahata Internet: darrylo(a)sr.hp.com DISCLAIMER: this message is the author's personal opinion and does not constitute the support, opinion, or policy of Hewlett-Packard, or of the little green men that have been following him all day.