From mboxrd@z Thu Jan  1 00:00:00 1970
From: Matt Lundin <mdl@imapmail.org>
Subject: Re: How to change agenda sorting order temporarily?
Date: Mon, 30 May 2016 10:33:16 -0500
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In-Reply-To: <trinity-12df1f97-3fb6-4531-8ce6-760b47882ac5-1464610443241@3capp-webde-bs01>
	(Martin Beck's message of "Mon, 30 May 2016 14:14:03 +0200")
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To: Martin Beck <Elwood151@web.de>
Cc: emacs orgmode-mailinglist <emacs-orgmode@gnu.org>

"Martin Beck" <Elwood151@web.de> writes:

> I'm working with a lot of pre-defined agendas, but I sometimes would
> like to change the sorting order of one of those to different criteria
> (by time, alphanumerically, etc.).
>  
> I did not find a way to do that in org-mode directly - did I overlook
> something, or do I really have to change the configuration of the
> whole agenda and rebuild it?
>  
> Related problem:
> If I change the configuration of the agenda by changing the
> customizing options, those changes do only have an effect, if I kill
> the agenda buffer and launch the agenda again.
> It would be nice, if I just could rebuild the existing agenda with "r"
> or "g", but that does not seem to be sufficient?
>  

Here's a quick function that works for me:

--8<---------------cut here---------------start------------->8---
(defun my-org-agenda-change-sorting-strategy (strategy)
  "Change the sorting strategy."
  (interactive (list
                (completing-read "Choose a strategy: "
                                 (mapcar 'cdr (cdr org-sorting-choice))
                                 nil t)))
  ;; adjust the following types as needed - e.g., add 'agenda, etc.
  (org-agenda-check-type t 'todo 'tags 'search)
  (let ((org-agenda-sorting-strategy (list (intern strategy))))
    (org-agenda-redo)))
--8<---------------cut here---------------end--------------->8---

Matt