On Tue, 2006-09-05 at 16:04 +0100, Tim Waugh wrote: > You're comparing different grep package releases (RHEL 4 vs FC 3), with > different patches, so it's hard to know what to take from the test > results. > > Try comparing the same grep packages (name-version-release) so that you > know the same patches have been applied on both machines. > > Tim. > */ Check your LANG environment variable. I found that with a utf locale (eg 'en_IE.UTF-8'), many grep patterns became incredibly slow. Setting my locale to 'C' fixed the issue. I didn't have time to investigate further. Matt Davey When I read about the evils of drinking, I gave mcdavey@xxxxxxxxxxxxxx up reading. - Henny Youngman.