From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Seweryn Kokot Newsgroups: gmane.emacs.help Subject: Re: How modify numbers in a region by a multiplier? Date: Fri, 2 Jul 2010 06:41:26 +0000 (UTC) Message-ID: References: NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Trace: dough.gmane.org 1278052947 28637 80.91.229.12 (2 Jul 2010 06:42:27 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Fri, 2 Jul 2010 06:42:27 +0000 (UTC) To: help-gnu-emacs@gnu.org Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Fri Jul 02 08:42:25 2010 Return-path: Envelope-to: geh-help-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([199.232.76.165]) by lo.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1OUZxB-0007ra-3A for geh-help-gnu-emacs@m.gmane.org; Fri, 02 Jul 2010 08:42:25 +0200 Original-Received: from localhost ([127.0.0.1]:38520 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1OUZxA-00063i-Gc for geh-help-gnu-emacs@m.gmane.org; Fri, 02 Jul 2010 02:42:24 -0400 Original-Received: from [140.186.70.92] (port=42355 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1OUZwY-000632-Qy for help-gnu-emacs@gnu.org; Fri, 02 Jul 2010 02:41:47 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.69) (envelope-from ) id 1OUZwX-0002QA-Up for help-gnu-emacs@gnu.org; Fri, 02 Jul 2010 02:41:46 -0400 Original-Received: from lo.gmane.org ([80.91.229.12]:57013) by eggs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1OUZwX-0002Pu-PY for help-gnu-emacs@gnu.org; Fri, 02 Jul 2010 02:41:45 -0400 Original-Received: from list by lo.gmane.org with local (Exim 4.69) (envelope-from ) id 1OUZwU-0007cB-I8 for help-gnu-emacs@gnu.org; Fri, 02 Jul 2010 08:41:42 +0200 Original-Received: from 139.191.131.39 ([139.191.131.39]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Fri, 02 Jul 2010 08:41:42 +0200 Original-Received: from sewkokot by 139.191.131.39 with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Fri, 02 Jul 2010 08:41:42 +0200 X-Injected-Via-Gmane: http://gmane.org/ Original-Lines: 29 Original-X-Complaints-To: usenet@dough.gmane.org X-Gmane-NNTP-Posting-Host: sea.gmane.org User-Agent: Loom/3.14 (http://gmane.org/) X-Loom-IP: 139.191.131.39 (Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.1; Trident/4.0; GTB6.5; .NET CLR 1.1.4322; .NET CLR 2.0.50727; .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729)) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6 (newer, 3) X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Users list for the GNU Emacs text editor List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Original-Sender: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Errors-To: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.help:74041 Archived-At: Juanma Barranquero gmail.com> writes: > > Try using a marker instead of just the number value of `point'. Good hint, now it seems ok! For interested see the current function (defun my-multiply-numbers-in-region-or-buffer (multiplier) (interactive "nSpecify a multiplier (default is 0.001): ") ;; if nil - RET multiplier is 0.001 (let (beg end object end-mark) (if (use-region-p) (progn (setq object "region") (setq beg (region-beginning)) (setq end (region-end))) (setq object "buffer") (setq beg (point-min)) (setq end (point-max))) (setq end-mark (copy-marker end)) (unless multiplier (setq multiplier 0.001)) (goto-char beg) ; (while (re-search-forward "\\([0-9.]+\\)" end t) (while (re-search-forward "\\([0-9.]+\\)" (marker-position end-mark) t) (replace-match (format "%.2f" (* (string-to-number (match-string 1)) multiplier)))) (message "Numbers in %s modified by multiplier %s." object multiplier)))