On Wed, 03 Jul 2013 10:07:09 +0200 Tassilo Horn <[email protected]> wrote:
TH> Thanks. I've come up with this, and it seems to work:
TH> (defun gnus-registry-remove-extra-data (extra)
TH> "Remove tracked EXTRA data from the gnus registry.
TH> EXTRA is a list of symbols. Valid symbols are those contained in
TH> the docs of `gnus-registry-track-extra'. This command is useful
TH> if you stop tracking some extra data and now want to purge it
TH> from your existing entries."
TH> (interactive (list (mapcar 'intern
TH> (completing-read-multiple
TH> "Extra data: "
TH> '("subject" "sender" "recipient")))))
TH> (when extra
TH> (let ((db gnus-registry-db))
TH> (registry-reindex db)
TH> (loop for k being the hash-keys of (oref db :data)
TH> using (hash-value v)
TH> do (let ((newv (cl-remove-if #'(lambda (entry)
TH> (member (car entry) extra))
TH> v)))
TH> (registry-delete db (list k) nil)
TH> (gnus-registry-insert db k newv)))
TH> (registry-reindex db))))
TH> However, it didn't shrink the size of the registry that much (reduced
TH> the size by about one fourth).
TH> Anyway, I think it's useful. Should I add it to gnus-registry.el? (I
TH> guess I'll have to remove the `cl-remove-if' to stay compatible with
TH> older emacsen...)
Yes, please, and do what you can for older Emacsen... we can rewrite
that code altogether in a Gnus helper function if necessary.
Ted
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