Re: Alternative to no longer supported folder:foo* wildcard matching ?

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+From: David Bremner <david@tethera.net>\r
+To: Jean-Marc Liotier <jm@liotier.org>, notmuch@notmuchmail.org\r
+Subject: Re: Alternative to no longer supported folder:foo* wildcard matching\r
+ ?\r
+In-Reply-To: <54FE37F4.7090605@liotier.org>\r
+References: <54FDFAAB.9080504@liotier.org>\r
+       <877fupzuzc.fsf@maritornes.cs.unb.ca> <54FE37F4.7090605@liotier.org>\r
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+Date: Tue, 10 Mar 2015 08:10:33 +0100\r
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+\r
+Jean-Marc Liotier <jm@liotier.org> writes:\r
+\r
+>\r
+> % cd ~/Maildir\r
+> % mkdir .NM_myTopLevelFolder\r
+> % ln -rs .myTopLevelFolder* -t .NM_myTopLevelFolder\r
+\r
+This is doing one level of links. If you want more hierarchy\r
+you'll have to create subdirectories with links to only some of your\r
+folders. In fact the NM_myTopLevelFolder doesn't seem useful to me,\r
+since you don't gain any new queries that way.\r
+\r
+So if you have .foo.*  and .bar.*, I would\r
+\r
+mkdir foo\r
+ln -rs .foo.* -t foo\r
+mkdir bar\r
+ln -rs .bar.* -t bar\r
+\r
+> On the downside:\r
+> - It doubles the number of messages to index (though then even=20\r
+> multiplied by two, my 300k messages are Not Much Mail=E2=84=A2 - but stil=\r
+l...)\r
+\r
+Conceivably this has to do with duplicating the top level folder, not\r
+sure; I don't see an increase. In particular I don't see in increase in\r
+the output of "notmuch count", so in notmuch jargon, the number of\r
+_messages_ does not increase but rather the number of _files_. There\r
+will obviously be some growth in the database size, but there was\r
+nothing too shocking in my experiments (I didn't measure carefully, but\r
+my database is still at around 30% of the raw mail size)\r
+\r
+> - myTopLevelFolder gets a NM_myTopLevelFolder twin and restricting the=20\r
+> search scope to it requires using its twin's name\r
+\r
+yes, I suppose that's true. But for "nice" symlink names this doesn't\r
+seem so terrible. But *shrug* it's a matter of taste.\r
+\r
+> - The additional messages are duplicates, so --remove-dups becomes=20\r
+> mandatory in any search query\r
+\r
+Based on the name, I'd suspect "remove-dups" corresponds roughly to the\r
+default behaviour of notmuch in reporting results.\r
+\r
+> - This method is good for restricting the search scope to a directory,\r
+> but not for excluding a directory from the search scope... Which alas\r
+> is what I desire most...\r
+\r
+Either I don't understand what you want, or this might again be\r
+something to do with notmuch-mutt. For me, queries like\r
+\r
+        notmuch count not 'path:list/**'=20\r
+\r
+and\r
+        notmuch count not 'path:list/**' and from:bremner\r
+\r
+work as expected.\r
+\r
+Hope this helps,\r
+\r
+d\r