Help converting a Pine user

[Jesse F. Hughes]

Hey ho.

I'm working on getting my wife onto Gnus (and off of Pine).  She likes
some of the features (notably nnir), but she can't stand the fact that
Gnus won't automatically update the summary buffer when new mail comes
in.  I've tried googling for ideas on how to do this (seems like it's
a common wish), but I just don't have the google skills apparently.

I'm using the following function every three minutes or so.  I found
this code in a previous Google post from Karl Kleinpaste.

(defun gnus-demon-scan-mail-or-news-and-update (level)
"Scan for new mail, updating the *Group* buffer."
  (let ((win (current-window-configuration)))
    (unwind-protect
        (save-window-excursion
          (save-excursion
            (when (gnus-alive-p)
              (save-excursion
                (set-buffer gnus-group-buffer)
                (gnus-group-get-new-news level)))))
      (set-window-configuration win))))

Now I want to update every open summary buffer (and let's not assume
that there's just one).  I guess the easiest method is to form a list
of buffers beginning with "*Summary" and run gnus-summary-rescan-group
on each.  We can assume that the summary buffers are reasonably small
and that there is no sorting involved (aside from message numbers --
she doesn't like threading), so hopefully this won't be a big time
consideration.  

Any comments and tips?

Thanks.
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