Συντάκτης: Kjetil Torgrim Homme Ημερομηνία: Προς: exim-users Υ/ο: Stephen Gran Αντικείμενο: Re: [exim] How to disable logging unroutable addresses?
On Wed, 2006-08-16 at 10:56 +0200, Jakob Hirsch wrote: > Quoting Kjetil Torgrim Homme:
>
> > most people these days use GNU grep ("the fastest grep in the West", as
> > the slogan goes):
> > $ ls -l /bin/egrep /bin/fgrep
> > lrwxrwxrwx 1 root root 4 2006-08-11 05:53 /bin/egrep -> grep
> > lrwxrwxrwx 1 root root 4 2006-08-11 05:53 /bin/fgrep -> grep
>
> Sure, and fgrep is the same as grep -F. But matching fixed strings is
> usually faster than matching regexes (depending on CPU and IO speed).
yes, but the expression used was a fixed string. GNU grep does this
analysis for you, it doesn't need any help.
--
Kjetil T.