From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Juri Linkov Newsgroups: gmane.emacs.devel Subject: Re: regexp repacement, how to present replacement to user? Date: Mon, 15 Oct 2007 01:50:01 +0300 Organization: JURTA Message-ID: <87y7e51fc6.fsf@jurta.org> References: <200710131700.42100.pogonyshev@gmx.net> NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: ger.gmane.org 1192402322 9138 80.91.229.12 (14 Oct 2007 22:52:02 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Sun, 14 Oct 2007 22:52:02 +0000 (UTC) Cc: emacs-devel@gnu.org To: Paul Pogonyshev Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Mon Oct 15 00:51:53 2007 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([199.232.76.165]) by lo.gmane.org with esmtp (Exim 4.50) id 1IhCJ4-0001TE-EL for ged-emacs-devel@m.gmane.org; Mon, 15 Oct 2007 00:51:34 +0200 Original-Received: from localhost ([127.0.0.1] helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1IhCIx-0000Rq-SE for ged-emacs-devel@m.gmane.org; Sun, 14 Oct 2007 18:51:27 -0400 Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1IhCIv-0000Rb-6S for emacs-devel@gnu.org; Sun, 14 Oct 2007 18:51:25 -0400 Original-Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1IhCIu-0000RO-RU for emacs-devel@gnu.org; Sun, 14 Oct 2007 18:51:24 -0400 Original-Received: from [199.232.76.173] (helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1IhCIu-0000RH-Hx for emacs-devel@gnu.org; Sun, 14 Oct 2007 18:51:24 -0400 Original-Received: from mailman.kiev.sovam.com ([89.162.150.100]) by monty-python.gnu.org with esmtps (TLS-1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.60) (envelope-from ) id 1IhCIu-0006Bz-1Y for emacs-devel@gnu.org; Sun, 14 Oct 2007 18:51:24 -0400 Original-Received: from relay01.kiev.sovam.com ([62.64.120.200]) by mailman.kiev.sovam.com with esmtp (Exim 4.63 (FreeBSD)) (envelope-from ) id 1IhF6I-000IB6-0z; Mon, 15 Oct 2007 01:50:34 +0000 Original-Received: from [83.170.232.243] (helo=smtp.svitonline.com) by relay01.kiev.sovam.com with esmtp (Exim 4.67) (envelope-from ) id 1IhCIq-0005zo-Ka; Mon, 15 Oct 2007 01:51:21 +0300 In-Reply-To: <200710131700.42100.pogonyshev@gmx.net> (Paul Pogonyshev's message of "Sat\, 13 Oct 2007 17\:00\:41 +0300") User-Agent: Gnus/5.11 (Gnus v5.11) Emacs/23.0.50 (gnu/linux) X-Scanner-Signature: d0b3bc0b24c4067239780ad28ae5b444 X-DrWeb-checked: yes X-SpamTest-Envelope-From: juri@jurta.org X-SpamTest-Group-ID: 00000000 X-SpamTest-Header: Not Detected X-SpamTest-Info: Profiles 1603 [Oct 14 2007] X-SpamTest-Info: helo_type=3 X-SpamTest-Info: {HEADERS: header Content-Type found without required header Content-Transfer-Encoding} X-SpamTest-Method: none X-SpamTest-Rate: 25 X-SpamTest-Status: Not detected X-SpamTest-Status-Extended: not_detected X-SpamTest-Version: SMTP-Filter Version 3.0.0 [0255], KAS30/Release X-detected-kernel: by monty-python.gnu.org: FreeBSD 6.x (1) X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.devel:80877 Archived-At: > I basically have a loop of `re-search-forward' with optional `replace-match' > after that. I'd like to ask user if the particular match should be replaced > or not. However, I'd like to present user with end-result strings, i.e. not > regexp and replacement with \N strings, but the match string and what > replacement would be in this case. The former is as easy as (match-string 0), > but the second is not obvious how to do. > > I.e., to clarify, I'd like this: > > Replace "foo-bar" with "foo bar"? > > instead of this: > > Replace "\([[:alpha:]]+\)-\([[:alpha:]]+\)" with "\1 \2"? Something like this? (let ((from "\\([[:alpha:]]+\\)-\\([[:alpha:]]+\\)") (to "\\1 \\2")) (while (re-search-forward from nil t) (if (y-or-n-p (format "Replace %s with %s " (match-string 0) (replace-regexp-in-string from to (match-string 0)))) (replace-match to nil nil)))) -- Juri Linkov http://www.jurta.org/emacs/