From: "Óscar Fuentes" <ofv@wanadoo.es>
To: help-gnu-emacs@gnu.org
Subject: Re: How to find the character breaking the file encoding?
Date: Wed, 05 Feb 2020 03:42:29 +0100 [thread overview]
Message-ID: <87lfphyctm.fsf@telefonica.net> (raw)
In-Reply-To: 87a75yxc5q.fsf@mbork.pl
Marcin Borkowski <mbork@mbork.pl> writes:
> I have a large UTF-8 file (about 1.5MB) to which I add stuff regularly.
> Recently, Emacs started saving it as a binary file. I suspect I somehow
> inserted a non-UTF-8 sequence of bytes there. Is there any way Emacs
> can help me finding it (other than me manually bisecting the file until
> I find the offending place)?
Try using M-x encode-coding-region ENTERT utf-8 ENTER
With some luck this will mark the buffer as modified because it replaces
unencodable content with blanks (IIRC). Then you can use M-x
diff-buffer-with-file to see the line that contains the problematic
sequence.
next prev parent reply other threads:[~2020-02-05 2:42 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-04 21:42 How to find the character breaking the file encoding? Marcin Borkowski
2020-02-05 2:42 ` Óscar Fuentes [this message]
2020-02-05 3:09 ` Stefan Monnier
2020-02-08 11:36 ` Marcin Borkowski
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