On Sun, Jan 24, 2010 at 8:08 PM, Michael A. Alderete
<[email protected]> wrote:
> But not impossible, Spotlight has something BFS never did, per-file-type 
> importers. Save the files with the right file extension, create a custom 
> importer for the files, and the appropriate attributes should be created by 
> Spotlight. (At least, that's how I understand it.)

Spotlight has its own databases/indexes stored in a central location
(/.Spotlight-V100/...) and that is what Spotlight importers end up
writing to.  Mac OS X also supports extended attributes for individual
files stored in the filesystem itself, but unlike in BFS, those are
not indexed in the filesystem.

The closest match to the BeMail system on Mac OS X would be for the
mail fetcher daemon to parse the messages and write
to/from/subject/etc. information to extended attributes for each email
message file, then have the Spotlight importer for this file type
simply read the extended attributes (rather than having to parse the
entire message again) and index them in the centrally stored Spotlight
database.

-John
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