GNU bug report logs - #4377
allow one to still choose xpdf instead of doc-view

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From: Tassilo Horn <tassilo <at> member.fsf.org>
To: Stefan Monnier <monnier <at> iro.umontreal.ca>
Cc: 4377 <at> debbugs.gnu.org, Leo <sdl.web <at> gmail.com>,
        Chong Yidong <cyd <at> stupidchicken.com>, yamaoka <at> jpl.org,
        jidanni <at> jidanni.org
Subject: bug#4377: marked as done (allow one to still choose xpdf instead of doc-view)
Date: Mon, 14 Sep 2009 09:13:26 +0200

Stefan Monnier <monnier <at> iro.umontreal.ca> writes:

>> I wonder if it is better not to include doc-view-mode in
>> auto-mode-alist.  Personally, I can't think of an occasion that I
>> would like doc-view mode to view my pdf files except, perhaps, to
>> brag about Emacs's capability.
>
> Is it really better to show the actual underlying PDF file's code in
> fundamental-mode?  If you don't want to view PDF files in Emacs, than
> don't open them in Emacs.

IMO, there should be some command in dired to open a file with an
external program.  The `!' command is not appropriate here, cause it
blocks emacs till the command finishes.  I have this code in my .emacs
for that (and bound it to `e' in dired-mode-map):

--8<---------------cut here---------------start------------->8---
(defun th-dired-find-file-externally (arg)
  "Open file or directory with an external application.
If ARG is given use `xdg-open', else query for an app."
  (interactive "P")
  (let ((file (dired-get-file-for-visit)))
    (start-process "dired-external"
                   nil
                   (if arg
                       "xdg-open"
                     (completing-read "Command: "
                                      th-external-command-list))
                   file)))
--8<---------------cut here---------------end--------------->8---

th-external-command-list is a list of all executables in PATH, which I
use in several places.  I think that could be taken out.  A default
value with the appropriate external app taken from mailcap could be
used instead.

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