From mboxrd@z Thu Jan  1 00:00:00 1970
From: AW <alexander.willand@t-online.de>
Subject: Re: icalendar-import-file into org
Date: Tue, 04 Jun 2013 22:21:07 +0200
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Cc: Nick Dokos <ndokos@gmail.com>

Am Dienstag, 4. Juni 2013, 09:07:18 schrieb Nick Nick Dokos:
> AW <alexander.willand@t-online.de> writes:
> > I'd like to have an external calendar file displayed in org and was very
> > glad to find a hint in the manual. The name of the external calendar file
> > is "office.ics".
> > 
> > So I wrote into my .emacs-file:
> > 
> > (icalendar-import-file "office.ics" "Diary")
> > (setq org-agenda-include-diary t)
> > 
> > As you can imagine, that caused an import of "office.ics" _every_ time I
> > started Emacs. So I ended with a huge calendar file full of (no, not
> > stars)[1] repetitions of "office.ics".
> 
> You can import the ics file into some temporary diary and
> delete the temporary diary upon exit from emacs:
> 
> --8<---------------cut here---------------start------------->8---
> (setq tmp-diary (make-temp-file "diary"))
> (icalendar-import-file "/path/to/office.ics" tmp-diary)
> 
> ;; make it the default...
> (setq diary-file tmp-diary)
> ;; so that org-agenda can find it
> (setq org-agenda-include-diary t)
> 
> ;; delete the tmp diary on exit
> (add-to-list 'kill-emacs-hook
>              (function
>               (lambda ()
>                 (delete-file tmp-diary))))
> --8<---------------cut here---------------end--------------->8---
> 
> That assumes that you don't have any other diary files
> that you are interested in including. If you do, the basic
> idea will still work but will require more fiddling.
> 
> Untested.

Hi Nick,

thank you for these lines. I realised that I've got a bug in one of my .emacs-
files, but I have to dig where: in Windows or Linux. However, both 
installations of Emacs should format the date exactly the same way. 

I will report when back on the surface,

Regards,
Alexander