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From: prj@po.cwru.edu (Paul Jarc)
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Subject: Re: problems with nnvirtual and marks
Date: Mon, 21 Jan 2002 17:31:12 -0500
Organization: What did you have in mind?  A short, blunt, human pyramid?
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In-Reply-To: <m3d706w2dw.fsf@quimbies.gnus.org> (Lars Magne Ingebrigtsen's
 message of "Sat, 19 Jan 2002 20:45:47 +0100")
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Lars Magne Ingebrigtsen <larsi@gnus.org> wrote:
> dme@dme.org writes:
>> 	(dolist (article (gnus-uncompress-range range))
...
> Yes, this sounds like the right solution to the problems.  But there
> should be a more efficient way of iterating over the articles than
> that...

nnmaildir iterates over a range list sort of like this:
(while articles   ;; "articles" is a range list
  (setq range (car articles) articles (cdr articles)) ;; pop off the first one
  (while (eq range (car articles))
    (setq articles (cdr articles))) ;; skip duplicates
  ;; Set "num" to the first one in this range and "stop" to the last.
  (if (numberp range) (setq num range stop range)
      (setq num (car range) stop (cdr range)))
  ;; Process each one between "num" and "stop"
  (while (<= num stop)
    ... ;; do something with "num"
    (setq num (1+ num))))


paul