GNU bug report logs - #32251
[Windows] Cannot locate gs when the path contains space

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Message #8 received at 32251 <at> debbugs.gnu.org (full text, mbox):

From: Ikumi Keita <ikumi <at> ikumi.que.jp>
To: Jian Wang <jianwang.academic <at> gmail.com>
Cc: 32251 <at> debbugs.gnu.org
Subject: Re: bug#32251: [Windows] Cannot locate gs when the path contains space
Date: Wed, 31 Oct 2018 17:18:50 +0900

Hi Jian, sorry for very late response.

>>>>> Jian Wang <jianwang.academic <at> gmail.com> writes:
> Hi, all
> When I try to preview on windows, the Ghostscript executable bundled with
> MiKTeX cannot be located since the path of MiKTeX contains a space. Thus
> when I open a tex buffer there will be an echoed message telling me
> ''c:/Program" is not a valid command.

> I fixed this issue by making the following change:

> (defcustom preview-gs-command
>   (or ;; The GS wrapper coming with TeX Live
>    (executable-find "rungs")
>    ;; The MikTeX builtin GS
>    (let ((gs (executable-find "mgs")))
>    ;; Check if mgs is functional for external non-MikTeX apps.
>    ;; See
> http://blog.miktex.org/post/2005/04/07/Starting-mgsexe-at-the-DOS-Prompt.aspx
>    (when (and gs (= 0 (shell-command (concat (shell-quote-argument gs) " -q
> -dNODISPLAY -c quit"))))
>      gs))
>    ;; Windows ghostscript
>    (executable-find "GSWIN32C.EXE")
>    ;; standard GhostScript
>    (executable-find "gs"))
>   "*How to call gs for conversion from EPS.  See also `preview-gs-options'."
>   :group 'preview-gs
>   :type 'string)

Thank you for your contribution, I incorporated the above change into
the git repository.

Best regards,
Ikumi Keita

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