From: Eli Zaretskii <eliz@gnu.org>
To: help-gnu-emacs@gnu.org
Subject: Re: Byte offset from point
Date: Wed, 12 Aug 2009 22:47:39 +0300 [thread overview]
Message-ID: <83k518ke5g.fsf@gnu.org> (raw)
In-Reply-To: <2c08d46a-482d-4c99-b815-f06a97f6e9de@d4g2000yqa.googlegroups.com>
> From: senny <yves.senn@gmail.com>
> Date: Wed, 12 Aug 2009 12:06:26 -0700 (PDT)
>
> > (position-bytes (point))
>
> I tried that but it gave me incorrect results when dealing with
> newlines on windows. The lisp function counted them as 1 byte but the
> service i was calling counted them as 2 bytes.
If you want Emacs to account for the (potentially stripped) CR
characters, you need to visit the file without any code conversions,
e.g. with `find-file-literally' or with
`insert-file-contents-literally'. Then position-bytes will count
correctly.
Alternatively, you could call count-lines-region and add one character
for each line before point.
If this does not help, perhaps consider telling more about the problem
you are trying to solve.
prev parent reply other threads:[~2009-08-12 19:47 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-08-12 18:44 Byte offset from point senny
2009-08-12 18:57 ` Teemu Likonen
2009-08-12 19:06 ` senny
2009-08-12 19:18 ` Teemu Likonen
2009-08-12 19:47 ` Eli Zaretskii [this message]
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