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From: | Kevin Rodgers |
Subject: | Re: emacs switch similar to vi's -R, or view equivalent? |
Date: | Wed, 23 Aug 2006 08:47:35 -0600 |
User-agent: | Thunderbird 1.5.0.5 (Windows/20060719) |
Andrew B. Young wrote:
Is there an emacs switch similar to vi's -R, or view equivalent? I use emacs regularly but find "view this_file" very comforting, e.g., sudo view /etc/aliases. This forces me to ! the write as an extra measure of safety.My guess is that I need a special init file that gets loaded via an alias, i.e., "ev this_file".
Here's a gem from 1997 (http://groups.google.com/group/gnu.emacs.help/msg/46410ee284d11cc0):
(setq command-switch-alist (cons '("--read-only" . find-file-read-only-command-line-arg) ; "-R" command-switch-alist)) (defun find-file-read-only-command-line-arg (switch) "Visit next command line argument (after SWITCH) as a read-only file." ;; (prog1 (car x) (setq x (cdr x))) == (pop x): (find-file-read-only (prog1 (car command-line-args-left) (setq command-line-args-left (cdr command-line-args-left))))) -- Kevin
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