Re: How to index arbitrary headers?

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+References:\r
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+       <20121001154309.GE26662@mit.edu> <87vceqh02v.fsf@kiwwwi.com.ar>\r
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+ <CANBHLUh+kJWgG0Z2TjyJznhU0YVD+C0WCQwwXP3ciX5V+cmLoQ@mail.gmail.com>\r
+Subject: Re: How to index arbitrary headers?\r
+From: Dmitrijs Ledkovs <xnox@debian.org>\r
+To: notmuch@notmuchmail.org\r
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+\r
+On 4 October 2012 13:51, Nicol=C3=A1s Reynolds <fauno@kiwwwi.com.ar> wrote:\r
+> Austin Clements <amdragon@MIT.EDU> writes:\r
+>\r
+>> Quoth Petri Savolainen on Oct 01 at  3:39 pm:\r
+>>>    Hello,\r
+>>>    I could not find information anywhere in notmuch docs about what is\r
+>>>    actually indexed - specifically, what email headers are indexed and\r
+>>>    searchable? If a header is not indexed, does searching for its value=\r
+ still\r
+>>>    result in a search hit?\r
+>>>    It would be nice if one could just provide the list of headers to be\r
+>>>    indexed in some configuration file or something.\r
+>>>    Thanks,\r
+>>>     Petri\r
+>>\r
+>> notmuch doesn't currently implement this, though it is an\r
+>> oft-requested feature.  One (not insurmountable) difficulty is that\r
+>> the database would have to be rebuilt if a user-configured list of\r
+>> headers changed and there are technical limitations that prevent us\r
+>> from simply indexing all headers.  Out of curiosity, what headers are\r
+>> you interested in indexing?\r
+>>\r
+>> The currently indexed headers are described in man\r
+>> notmuch-search-terms.\r
+>\r
+> maybe related: is it possible to index only the headers and not the mail\r
+> body?\r
+>\r
+\r
+Checkout project `afew` which pipes complete emails and assigns tags\r
+based on the parse result.\r
+It may be sufficient for your purpose.\r
+Or you can modify notmuch to index the stuff you want.\r
+\r
+Regards,\r
+\r
+Dmitrijs.\r