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From: michael@cadilhac.name (Michaël Cadilhac)
Cc: help-gnu-emacs@gnu.org
Subject: Re: diffs between a buffer and the underlying file
Date: Thu, 14 Sep 2006 08:55:34 +0200	[thread overview]
Message-ID: <87wt872azd.fsf@lrde.org> (raw)
In-Reply-To: <m2venrkm1b.fsf@janus.isnogud.escape.de> (Urs Thuermann's message of "14 Sep 2006 08\:19\:28 +0200")


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Urs Thuermann <urs@isnogud.escape.de> writes:

> I sometimes get into the following situation:  I open a file, make
> some changes, then I want to see the changes before saving the file.
> The best way to do this seems to be to set the region to the whole
> buffer, write the region to some temporary file, and run diff on the
> two files.  But I find this very unconvenient.
>
> I'd like to have a function in emacs which can be applied to a buffer,
> say buffer A, that opens a new buffer displaying all the changes
> between the buffer A and the disk file, opened in buffer A.

I think what you want is 
M-x diff-buffer-with-file RET RET

-- 
/!\ My mail address changed, please update your files accordingly.
 |      Michaël `Micha' Cadilhac   |  Would someone please DTRT with this,  |
 |         Epita/LRDE Promo 2007   |        then ACK?                       |
 |  http://michael.cadilhac.name   |          -- Richard Stallman           |
 `--  -   JID: micha@amessage.be --'                                   -  --'

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  reply	other threads:[~2006-09-14  6:55 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-09-14  6:19 diffs between a buffer and the underlying file Urs Thuermann
2006-09-14  6:55 ` Michaël Cadilhac [this message]
2006-09-17  8:07   ` Urs Thuermann
2006-09-17  8:20     ` Michaël Cadilhac
     [not found]     ` <mailman.7052.1158517019.9609.help-gnu-emacs@gnu.org>
2006-09-18 17:30       ` Urs Thuermann
2006-09-20 19:11         ` John Sullivan
     [not found]         ` <mailman.7207.1158782592.9609.help-gnu-emacs@gnu.org>
2006-09-21  4:14           ` Tim X
2006-10-14 19:56             ` David Combs
2006-09-21  7:43         ` Romain Francoise
2006-09-14  7:13 ` David Hansen
2006-09-14  8:57 ` Darren
  -- strict thread matches above, loose matches on Subject: below --
2006-09-05 16:39 Urs Thuermann
2006-09-05 18:10 ` Eric Hanchrow
2006-09-06  0:18 ` John Paul Wallington
2006-09-06  9:18   ` Romain Francoise
2006-09-06  1:39 ` Drew Adams

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