Function: shell-command-guess-dired-optional
shell-command-guess-dired-optional is a byte-compiled function defined
in dired-aux.el.gz.
Signature
(shell-command-guess-dired-optional COMMANDS FILES)
Documentation
Populate COMMANDS using dired-guess-shell-alist-optional.
This excludes dired-guess-shell-alist-user and
dired-guess-shell-alist-default.
Source Code
;; Defined in /usr/src/emacs/lisp/dired-aux.el.gz
(defun shell-command-guess-dired-optional (commands files)
"Populate COMMANDS using `dired-guess-shell-alist-optional'.
This excludes `dired-guess-shell-alist-user' and
`dired-guess-shell-alist-default'."
(let ((dired-guess-shell-alist-user nil)
(dired-guess-shell-alist-default nil))
(append (ensure-list (dired-guess-default files)) commands)))