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Re: [O] org-file-apps settings?

From: Matt Price
Subject: Re: [O] org-file-apps settings?
Date: Fri, 16 Sep 2016 07:46:34 -0400

Huh.  I am not really able to figure this out. I imagine that part of the problem may be that org tries to use mailcap as a method, and I don't have any mailcap files. So I attempted this, which does not work:

'((system . "/usr/bin/xdg-open %s")
  (auto-mode . emacs)
  ("\\.odt\\'" . system)
  ("\\.mm\\'" . default)
  ("\\.x?html?\\'" . default)
  ("\\.pdf\\'" . default) )

*Messages* reports that xdg-open has been run, but the file doesn't actually run.  seting the odt entry to "/usr/bin/libreoffice %s" doesn't seem to have any effect at all -- the file just opens in emacs. The only thing that works for now is this bizarre workaround:
'((system . "/usr/bin/libreoffice %s")
   (auto-mode . emacs)
   ("odt" . system)
  ("\\.odt\\'" . "system")
  ("\\.mm\\'" . default)
  ("\\.x?html?\\'" . default)
  ("\\.pdf\\'" . default))
I don't undertand why this would work while the others don't. Of course, this is a pretty lousy workaround since now everything opens in libreoffice by default!

On Fri, Sep 16, 2016 at 4:16 AM, Colin Baxter <address@hidden> wrote:
On Thu, Sep 15 2016, Matt Price wrote:

> hi Everyone,
> I have been through this a million times, but I never seem to remember, and have a hard time finding
> the answer online or in my archives.
> On a Linux system, how should I set org-file-apps to allow org to open odt files in libreoffice, html files
> in Firefox, and pdf files in evince (especially in export-and-open commands)?
> I have tried a couple of htings; this is what C-h v org-file-apps currently says:
> Its value is ((remote . emacs) (system . mailcap) (t . mailcap))
> Original value was
> ((auto-mode . emacs)
>  ("\\.mm\\'" . default)
>  ("\\.x?html?\\'" . default)
>  ("\\.pdf\\'" . default))
> There's no /etc/mailcap on my mahcine (?), and .mailcap reads:
> */*; xdg-open "%s"
> Running `xdg-open file.odt` from a terminal will open the file in libreoffice, but exporting to odt and
> opening with C-c C-e o O opens the file in emacs.  What should I try next? Thank you!
> m

Hi Matt,

I can't stand evince so I've explicitly modified the default for pdf
files to open xpdf. It could also be used to make open-office files use the
application you want:

(add-hook 'org-mode-hook
           '(lambda ()
            (delete '("\\.pdf\\'" . default) org-file-apps)
            (add-to-list 'org-file-apps '("\\.pdf\\'" . "xpdf %s"))))

Best Wishes.

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