Kenneth Chiu sent the following at Monday, October 26, 2009 2:29 PM >>Considering that I only want to know whether or not two files differ, >this should not require any significant memory usage. (In other words, >don't use mmap().) If you only want to know whether or not they are identical, use cmp. - Barry "Get the right tool for the right job." Disclaimer: Statements made herein are not made on behalf of NIAID. -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple