Messages in this thread | | | Date | Wed, 26 Mar 2003 16:15:08 -0500 | From | Jeff Garzik <> | Subject | Re: BK-kernel-tools/shortlog update |
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On Wed, Mar 26, 2003 at 09:10:31PM +0100, Matthias Andree wrote: > On Wed, 26 Mar 2003, Linus Torvalds wrote: > > > Btw, one feature I'd like to see in shortlog is the ability to use > > regexps for email address matching, ie something like > > > > 'torvalds@.*transmeta.com' => 'Linus Torvalds' > > ... > > 'alan@.*swansea.linux.org.uk' => 'Alan Cox' > > ... > > 'bcrl@redhat.com' => 'Benjamin LaHaise', > > 'bcrl@.*' => '?? Benjamin LaHaise', > > .. > > > > I don't know whether you can force perl to do something like this, but if > > somebody were to try...
Perl is very regex-friendly. Sure it can do this :)
> I'd like to keep the hash for all those addresses that aren't wildcards > and that aren't regexps -- we have fast, that is O(1) to O(log n), > access to the hash (depending on Perl's implementation) and we have > worse than O(n) for regexp, where n is the count of address strings or > regexps. > > Would you agree to a version that has a set of fixed addresses and a > separate list of regexps, tries the hash first and then a list of > regexps? That sounds like a) easy addition, b) good performance to me > (before implementing it). If so, I could add some code for that feature.
Do we really care about performance here?
I think maintain-ability is probably more important.
In any case, splitting the lists into "fixed" and "regex" doesn't seem like a bad idea, provided that the change was fairly easy and self-contained.
Jeff
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