From: David Kastrup <dak@gnu.org>
To: help-gnu-emacs@gnu.org
Subject: Re: How modify numbers in a region by a multiplier?
Date: Thu, 01 Jul 2010 22:42:57 +0200 [thread overview]
Message-ID: <878w5vylv1.fsf@lola.goethe.zz> (raw)
In-Reply-To: mailman.2.1278016589.8594.help-gnu-emacs@gnu.org
Seweryn Kokot <sewkokot@gmail.com> writes:
> Juanma Barranquero <lekktu <at> gmail.com> writes:
>
>> Qiang Guo is right, though, in pointing that you're using a fixed
>> `end' but the buffer or region length is potentially changing with
>> every replace.
>
> Is there a canonical solution to this problem, since it seems that it should
> happen frequently when using the following structure:
> (while (re-search-forward "\\([0-9.]+\\)" end t)
> (replace-match (format "%.2f" (* (string-to-number (match-string 1))
> multiplier))))
Probably easiest to do
(save-restriction
(narrow-to-region start end
...
--
David Kastrup
next prev parent reply other threads:[~2010-07-01 20:42 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-07-01 13:55 How modify numbers in a region by a multiplier? Seweryn Kokot
2010-07-01 14:16 ` Juanma Barranquero
2010-07-01 14:31 ` Seweryn Kokot
2010-07-01 15:56 ` Juanma Barranquero
2010-07-01 20:10 ` Seweryn Kokot
2010-07-01 20:16 ` Juanma Barranquero
2010-07-01 20:36 ` Seweryn Kokot
2010-07-01 22:38 ` Juanma Barranquero
2010-07-02 6:41 ` Seweryn Kokot
2010-07-02 9:33 ` Juanma Barranquero
2010-07-02 9:53 ` Seweryn Kokot
2010-07-02 10:05 ` Juanma Barranquero
2010-07-02 18:15 ` Štěpán Němec
2010-07-02 20:30 ` Juanma Barranquero
2010-07-05 9:49 ` Seweryn Kokot
2010-07-05 11:46 ` Juanma Barranquero
2010-07-05 13:40 ` Seweryn Kokot
[not found] ` <mailman.4.1278330410.9916.help-gnu-emacs@gnu.org>
2010-07-05 13:30 ` David Kastrup
[not found] ` <mailman.2.1278016589.8594.help-gnu-emacs@gnu.org>
2010-07-01 20:42 ` David Kastrup [this message]
2010-07-01 21:03 ` Andreas Politz
2010-07-01 15:01 ` Dan Davison
2010-07-01 20:16 ` Seweryn Kokot
[not found] ` <mailman.0.1277993821.20412.help-gnu-emacs@gnu.org>
2010-07-01 14:19 ` David Kastrup
2010-07-01 16:54 ` Qiang Guo
[not found] ` <mailman.1.1278003297.20718.help-gnu-emacs@gnu.org>
2010-07-01 18:54 ` Pascal J. Bourguignon
[not found] <mailman.0.1277992530.1006.help-gnu-emacs@gnu.org>
2010-07-01 14:19 ` Marc Mientki
2010-07-01 15:55 ` Andreas Politz
2010-07-01 16:45 ` Pascal J. Bourguignon
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