Function: en/disable-command

en/disable-command is a byte-compiled function defined in novice.el.gz.

Signature

(en/disable-command COMMAND DISABLE)

Source Code

;; Defined in /usr/src/emacs/lisp/novice.el.gz
(defun en/disable-command (command disable)
  (unless (commandp command)
    (error "Invalid command name `%s'" command))
  (put command 'disabled disable)
  (let ((init-file user-init-file)
	(default-init-file
	  (if (eq system-type 'ms-dos) "~/_emacs" "~/.emacs")))
    (unless init-file
      (if (or (file-exists-p default-init-file)
	      (and (eq system-type 'windows-nt)
		   (file-exists-p "~/_emacs")))
	  ;; Started with -q, i.e. the file containing
	  ;; enabled/disabled commands hasn't been read.  Saving
	  ;; settings there would overwrite other settings.
	  (error "Saving settings from \"emacs -q\" would overwrite existing customizations"))
      (setq init-file default-init-file)
      (if (and (not (file-exists-p init-file))
	       (eq system-type 'windows-nt)
	       (file-exists-p "~/_emacs"))
	  (setq init-file "~/_emacs")))
    (with-current-buffer (find-file-noselect
                          (substitute-in-file-name init-file))
      (goto-char (point-min))
      (if (search-forward (concat "(put '" (symbol-name command) " ") nil t)
	  (delete-region
	   (progn (beginning-of-line) (point))
	   (progn (forward-line 1) (point))))
      ;; Explicitly enable, in case this command is disabled by default
      ;; or in case the code we deleted was actually a comment.
      (goto-char (point-max))
      (unless (bolp) (newline))
      (insert "(put '" (symbol-name command) " 'disabled "
	      (symbol-name disable) ")\n")
      (save-buffer))))