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bug#22091: [PATCH 1/2] * lisp/env.el: Add (whereis-command)

From: Glenn Morris
Subject: bug#22091: [PATCH 1/2] * lisp/env.el: Add (whereis-command)
Date: Fri, 04 Dec 2015 03:03:06 -0500
User-agent: Gnus (www.gnus.org), GNU Emacs (www.gnu.org/software/emacs/)

lu4nx wrote:

> +(defun whereis-command (command)
> +  (let ((paths (split-string (getenv "PATH") ":")))
> +    (remove-if-not
> +     (lambda (path)
> +       (file-exists-p (format "%s/%s" path command)))
> +     paths)))

You use a CL function without requiring CL.
But 'executable-find' already exists anyway, so this isn't needed.

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