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Re: How to change and save a read-only file?
From: |
Emanuel Berg |
Subject: |
Re: How to change and save a read-only file? |
Date: |
Sat, 29 Jun 2013 15:30:08 +0200 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/23.4 (gnu/linux) |
Emanuel Berg <embe8573@student.uu.se> writes:
> (defun su-edit ()
> "Edit the current buffer file as superuser -
> in a new buffer, that should look the same."
> (interactive)
> (let ((start-point-pos (point)))
> (recenter-top-bottom 0)
> (let ((top-window-pos (point))
> (buffer (buffer-file-name)) )
> (kill-buffer)
> (find-file (format "/sudo::%s" buffer))
> (goto-char top-window-pos)
> (recenter-top-bottom 0)
> (goto-char start-point-pos) )))
Aha, now I see, `recenter-top-bottom' doesn't change the point!
Silly. Still, even though with this realization I could fix it, I
leave it open to you foxes as you more than once have provided me
with standard solutions (for which I am grateful, because they
work better - and not without pride I add that last word :) )
--
Emanuel Berg - programmer (hire me! CV below)
computer projects: http://user.it.uu.se/~embe8573
internet activity: http://home.student.uu.se/embe8573