From mboxrd@z Thu Jan  1 00:00:00 1970
From: Colin Baxter <m43cap@yandex.com>
Subject: Re: pdf files with openwith only, and only this.
Date: Thu, 04 Jul 2019 12:00:07 +0100
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In-Reply-To: <CAD-VTcHgYvfQjpS=NamanbKfBwOtvcQ0k9vJA3zx7TbA8+8SWQ@mail.gmail.com>
 (Joseph Vidal-Rosset's message of "Thu, 4 Jul 2019 12:41:56 +0200")
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To: Joseph Vidal-Rosset <joseph.vidal.rosset@gmail.com>
Cc: "Liste-emacs-orgmode@gnu.org" <emacs-orgmode@gnu.org>

Dear Joseph,
>>>>> Joseph Vidal-Rosset <joseph.vidal.rosset@gmail.com> writes:

    > Hi the list, I do not want to use pdf-tools to view pdf in emacs,
    > I want only to use an external program (evince) to view pdf
    > files. Unfortunately, links to pdf do not work with openwith and
    > my emacs open on a pdf. I cannot delete pdft-tools that is a
    > dependency of org-ref that I am using. A solution for my setup
    > would be welcome.

Try this:

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

Best wishes,
 
Colin Baxter
www.Colin-Baxter.com