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Re: system-command-exists-p
From: |
Lennart Borgman |
Subject: |
Re: system-command-exists-p |
Date: |
Mon, 7 Dec 2009 17:30:51 +0100 |
On Mon, Dec 7, 2009 at 8:17 AM, Andreas Roehler
<andreas.roehler@online.de> wrote:
>
> Hi,
>
> needed a check if a command exists on system.
> Employed the following:
>
> (defun system-command-exists-p (command)
> "Return t if COMMAND is available on system. "
> (let* ((cmd (format "type %s" command)))
> (eq 0 (shell-command cmd))))
>
> Any comments/suggestions?
"type" is a system specific command. It may be worth trying to use
something not system specific to avoid trouble (maybe wasting your
time and other peoples time otherwise).