From: Barry Margolin <barmar@alum.mit.edu>
To: help-gnu-emacs@gnu.org
Subject: Re: Advanced query-replace-regexp in code
Date: Thu, 28 May 2009 22:14:02 -0400 [thread overview]
Message-ID: <barmar-32763A.22140228052009@mara100-84.onlink.net> (raw)
In-Reply-To: mailman.8013.1243539406.31690.help-gnu-emacs@gnu.org
In article <mailman.8013.1243539406.31690.help-gnu-emacs@gnu.org>,
bojohan+news@dd.chalmers.se (Johan Bockgard) wrote:
> Barry Margolin <barmar@alum.mit.edu> writes:
>
> > In that case, why allow programs to call replace-regexp in the first
> > place? If they can call it, why shouldn't they be able to use all the
> > features?
>
> They shouldn't call it:
>
> This function is usually the wrong thing to use in a Lisp program.
> What you probably want is a loop like this:
> (while (re-search-forward REGEXP nil t)
> (replace-match TO-STRING nil nil))
> which will run faster and will not set the mark or print anything.
Regardless of whether they should or shouldn't use it, it still seems
strange that the function interprets the second argument differently
depending on whether it's use interactively or programmatically. If it
shouldn't be used programmatically, why is it important that this mode
*not* recognize \,<expr>?
--
Barry Margolin, barmar@alum.mit.edu
Arlington, MA
*** PLEASE post questions in newsgroups, not directly to me ***
*** PLEASE don't copy me on replies, I'll read them in the group ***
next prev parent reply other threads:[~2009-05-29 2:14 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-05-27 14:03 Advanced query-replace-regexp in code Nordlöw
2009-05-27 14:32 ` Pascal J. Bourguignon
2009-05-28 1:19 ` Barry Margolin
2009-05-28 4:57 ` Teemu Likonen
2009-05-28 7:04 ` Barry Margolin
2009-05-28 19:36 ` Johan Bockgård
[not found] ` <mailman.8013.1243539406.31690.help-gnu-emacs@gnu.org>
2009-05-29 2:14 ` Barry Margolin [this message]
2009-05-30 6:34 ` Nordlöw
2009-05-30 18:55 ` Johan Bockgård
[not found] ` <mailman.8166.1243709727.31690.help-gnu-emacs@gnu.org>
2009-05-31 1:57 ` Barry Margolin
2009-05-28 19:50 ` harven
2009-08-02 16:19 ` David Kastrup
2009-08-02 17:14 ` Thierry Volpiatto
2009-08-02 20:25 ` Thierry Volpiatto
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