* About `diff-reverse-direction'
@ 2013-02-05 3:49 Xue Fuqiao
2013-02-05 5:08 ` Stefan Monnier
0 siblings, 1 reply; 2+ messages in thread
From: Xue Fuqiao @ 2013-02-05 3:49 UTC (permalink / raw)
To: help-gnu-emacs
What does the command 'diff-reverse-direction' do? The docstring only
says it "reverses the direction of the diffs". Does that mean changing
diff -c /home/xfq/.emacs.d/backups/.emacs\~ /home/xfq/.emacs
to
diff -c /home/xfq/.emacs /home/xfq/.emacs.d/backups/.emacs\~
?
--
Best regards, Xue Fuqiao.
http://www.emacswiki.org/emacs/XueFuqiao
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: About `diff-reverse-direction'
2013-02-05 3:49 About `diff-reverse-direction' Xue Fuqiao
@ 2013-02-05 5:08 ` Stefan Monnier
0 siblings, 0 replies; 2+ messages in thread
From: Stefan Monnier @ 2013-02-05 5:08 UTC (permalink / raw)
To: help-gnu-emacs
> What does the command 'diff-reverse-direction' do? The docstring only
> says it "reverses the direction of the diffs". Does that mean changing
> diff -c /home/xfq/.emacs.d/backups/.emacs\~ /home/xfq/.emacs
> to
> diff -c /home/xfq/.emacs /home/xfq/.emacs.d/backups/.emacs\~
It's part of diff-mode.el, which does not run diff but only helps you
read/manipulate diff's output. So what diff-reverse-direction does is
to let you see the result of swapping the arguments (as you have shown
above), without having to re-run diff.
Stefan
^ permalink raw reply [flat|nested] 2+ messages in thread
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2013-02-05 3:49 About `diff-reverse-direction' Xue Fuqiao
2013-02-05 5:08 ` Stefan Monnier
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