Re: ELisp finding files in Path

[Marc Mientki]

Am 28.09.2010 12:10, schrieb Paulo J. Matos:
> Hi,
>
> I would like to execute some commands in my .emacs only if there are
> some files in the current PATH. The specific example is, I only want to
> load a perforce library (p4.el) if I can find the executable p4 in the
> path.
>
> How can I do this? I couldn't find any way to either run a shell command
> (through which I could run `which p4`), or read an environment variable
> PATH, and then find all the files in it and see if p4 is there.
>
> Any tips would be appreciated.

Maybe someting like this?

(defun my-load-lib (name)
  (and (locate-library name)
       (executable-find name)
       (load name)))

(my-load-lib "mdd")


HTH
reagrds
Marc