在emacs中使用任意文件名运行程序

Question

I want to launch an arbitrary program that takes selected filename argument from a buffer that lists files in a directory.

I tried to use F3 key to insert the filename but the following records a new macro instead which is rather confusing.

(define-key minibuffer-local-map [f3] (lambda () (interactive (find-file-at-point))))

Answer 1

You're problem is not completely clear to me, but maybe this helps.

Please see the following screenshot of my Emacs in the scratch buffer. It contains a function and the keybinding, the echo area at the bottom is showing the results from the call to message

For your convenience, here is the function and the keybinding repeated for better copying:

(defun command-on-file-at-point ()
  (interactive)
  (let ((f (ffap-file-at-point)))
    (message "File is %s" f)))

(global-set-key [f3] 'command-on-file-at-point)

Hope, that helps.