Re: Procmail regex group reuse

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+Date: Wed, 13 Mar 2013 23:09:44 +0100\r
+From: guyzmo+notmuch@m0g.net\r
+To: Istvan Marko <notmuch@kismala.com>\r
+Subject: Re: Procmail regex group reuse\r
+Message-ID: <20130313220943.GH14028@vilya.m0g.net>\r
+References: <20130313151630.GE14028@vilya.m0g.net>\r
+       <m31ubjrtyq.fsf@zsu.kismala.com>\r
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+\r
+Hello,\r
+\r
+On Wed, Mar 13, 2013 at 12:16:29PM -0700, Istvan Marko wrote:\r
+> Guyzmo <guyzmo+notmuch@m0g.net> writes:\r
+> > Would it be possible to reuse a part of the match regexp in procmail\r
+> > so it can be reused in the action part of the rule. \r
+[...]\r
+> So you get everything between \/ to the end of the whole regexp. In your\r
+> case this will get hairy because you need to match stuff after the part\r
+> you want to extract. The ?? construct might help to further trim it\r
+> down, maybe something like:\r
+> \r
+> * ^TO\/foo\+[a-z]+@mydomain\.tld\r
+> * MATCH ?? ^foo\+\/[a-z]+\r
+> {\r
+>   TAG=$MATCH\r
+> }\r
+\r
+interesting, I'll try hacking around that…\r
+\r
+> Or if you are willing to switch to maildrop it has pcre and proper\r
+> submatches.\r
+\r
+or I may switch to maildrop, I used it at one point with courier for my\r
+imag installation, but always stuck to procmail before switching to sup,\r
+and naturally got back to procmail when I installed notmuch.\r
+\r
+> Are you tagging with notmuch-deliver?\r
+\r
+Yes, I am, is there best ways to filter incoming mails, as I'm using\r
+notmuch on the same host as my MTA?\r
+\r
+Thanks,\r
+\r
+-- \r
+Guyzmo\r