Re: Using procmail to set tags

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+From: Tomi Ollila <tomi.ollila@iki.fi>\r
+To: Austin Clements <amdragon@MIT.EDU>, Robert Horn <rjhorn@alum.mit.edu>\r
+Subject: Re: Using procmail to set tags\r
+In-Reply-To: <20120515132238.GO11804@mit.edu>\r
+References: <m3vcjyl4kg.fsf@quad.robs.office> <20120515132238.GO11804@mit.edu>\r
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+Date: Tue, 15 May 2012 16:43:31 +0300\r
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+\r
+On Tue, May 15 2012, Austin Clements <amdragon@MIT.EDU> wrote:\r
+\r
+>\r
+> Alternatively, you can have procmail record the message ID and desired\r
+> tags of the message in a file and then apply those recorded tags in\r
+> your post-new hook.  This would achieve the tagging you want more\r
+> directly, without mixing in folders and multiple delivery.  The\r
+> difficulty would be getting a message ID you could later use in an id:\r
+> query.  Simply grabbing the value of the message-id header would work\r
+> most of the time, but there's a fair bit of logic for dealing with\r
+> strangely formed or completely malformed message-id headers\r
+> (see _parse_message_id).\r
+\r
+If procmail is delivering one mail at a time (without parallerism) and\r
+notmuch new is executed after each email delivered one could try\r
+\r
+  * put desired tags into environment (export NEW_TAGS='+foo +bar')\r
+  * execute notmuch new\r
+  * use the environment variables in post-new hook \r
+      (notmuch tags $NEW_TAGS -new tag:new)\r
+\r
+The risk with this approach (when not recording message-id) is that there\r
+ie not just one new mail (with 'new' tag) delivered...\r
+\r
+Then I sidedtacked to... wouldn't something like\r
+         notmuch new +<tags> -<tags> [path/to/filename]\r
+be so cool... ;) (yes, so non-trivial...)\r
+\r
+>\r
+> As far as I know, nobody has tried my second suggestion.  Most people\r
+> just switch to using notmuch queries (either to tag or simply to\r
+> search).\r
+\r
+Tomi\r