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Re: (gnus-summary-sort-by-recipient): new function

From: Reiner Steib
Subject: Re: (gnus-summary-sort-by-recipient): new function
Date: Thu, 24 Jun 2004 10:14:32 +0200
User-agent: Gnus/5.110003 (No Gnus v0.3) Emacs/21.3 (gnu/linux)

On Wed, Jun 23 2004, Uwe Brauer wrote:

> Signaling: (wrong-type-argument listp gnus-thread-sort-by-recipient)
>   gnus-make-sort-function(gnus-thread-sort-by-recipient)
>   gnus-sort-threads [...]

Well, I only tested it with threading turned off.  (Does it make sense
with threading?)

Does the following work?  Would it make sense to include the function
in Gnus?

--8<---------------cut here---------------start------------->8---
(defun rs-gnus-summary-sort-by-recipient (&optional reverse)
  "Sort the summary buffer by recipient name alphabetically.
If `case-fold-search' is non-nil, case of letters is ignored.
Argument REVERSE means reverse order."
  (interactive "P")
  (gnus-summary-sort 'recipient reverse))

(defsubst rs-gnus-article-sort-by-recipient (h1 h2)
  "Sort articles by recipient."
   (let ((extract (funcall
                   (or (cdr (assq 'To (mail-header-extra h1))) ""))))
     (or (car extract) (cadr extract)))
   (let ((extract (funcall
                   (or (cdr (assq 'To (mail-header-extra h2))) ""))))
     (or (car extract) (cadr extract)))))

(defun rs-gnus-thread-sort-by-recipient (h1 h2)
  "Sort threads by root recipient."
   (gnus-thread-header h1)
   (gnus-thread-header h2)))

;; Not using my own namespace prefix because `gnus-summary-sort' wants
;; gnus-thread-sort-by-%s" and "gnus-article-sort-by-%s":
(require 'gnus-sum)
(unless (fboundp 'gnus-article-sort-by-recipient)
  (defalias 'gnus-article-sort-by-recipient
(unless (fboundp 'gnus-thread-sort-by-recipient)
  (defalias 'gnus-thread-sort-by-recipient
--8<---------------cut here---------------end--------------->8---

Bye, Reiner.
      (o o)
---ooO-(_)-Ooo--- PGP key available via WWW

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