Function: grep-probe
grep-probe is a byte-compiled function defined in grep.el.gz.
Signature
(grep-probe COMMAND ARGS &optional FUNC RESULT)
Source Code
;; Defined in /usr/src/emacs/lisp/progmodes/grep.el.gz
(defun grep-probe (command args &optional func result)
(let (process-file-side-effects)
(equal (condition-case nil
(apply (or func #'process-file) command args)
(error nil))
(or result 0))))