From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Rodrigo Lazo Newsgroups: gmane.emacs.help Subject: Re: Quick math calc on any buffer Date: Sun, 22 Feb 2009 09:30:23 -0500 Message-ID: <86zlge5ytc.fsf@thinkpad.colorado> References: <866ac838-c9b2-4507-acca-08df9ddf5b94@l1g2000yqj.googlegroups.com> NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Trace: ger.gmane.org 1235313078 6536 80.91.229.12 (22 Feb 2009 14:31:18 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Sun, 22 Feb 2009 14:31:18 +0000 (UTC) To: help-gnu-emacs@gnu.org Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Sun Feb 22 15:32:34 2009 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 4.50) id 1LbFNa-0006Cv-3H for geh-help-gnu-emacs@m.gmane.org; Sun, 22 Feb 2009 15:32:26 +0100 Original-Received: from localhost ([127.0.0.1]:51147 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1LbFMF-0005wb-IU for geh-help-gnu-emacs@m.gmane.org; Sun, 22 Feb 2009 09:31:03 -0500 Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1LbFLt-0005wW-Mq for help-gnu-emacs@gnu.org; Sun, 22 Feb 2009 09:30:41 -0500 Original-Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1LbFLp-0005wK-4z for help-gnu-emacs@gnu.org; Sun, 22 Feb 2009 09:30:40 -0500 Original-Received: from [199.232.76.173] (port=43416 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1LbFLp-0005wH-0O for help-gnu-emacs@gnu.org; Sun, 22 Feb 2009 09:30:37 -0500 Original-Received: from main.gmane.org ([80.91.229.2]:33606 helo=ciao.gmane.org) by monty-python.gnu.org with esmtps (TLS-1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.60) (envelope-from ) id 1LbFLo-00083u-LM for help-gnu-emacs@gnu.org; Sun, 22 Feb 2009 09:30:36 -0500 Original-Received: from list by ciao.gmane.org with local (Exim 4.43) id 1LbFLj-0004Sy-78 for help-gnu-emacs@gnu.org; Sun, 22 Feb 2009 14:30:31 +0000 Original-Received: from 190.42.6.236 ([190.42.6.236]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Sun, 22 Feb 2009 14:30:31 +0000 Original-Received: from rlazo.paz by 190.42.6.236 with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Sun, 22 Feb 2009 14:30:31 +0000 X-Injected-Via-Gmane: http://gmane.org/ Original-Lines: 29 Original-X-Complaints-To: usenet@ger.gmane.org X-Gmane-NNTP-Posting-Host: 190.42.6.236 User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/23.0.60 (gnu/linux) Cancel-Lock: sha1:5Bs56dUV+AbSjFIG6W4oSNZjPzM= X-detected-operating-system: by monty-python.gnu.org: GNU/Linux 2.6, seldom 2.4 (older, 4) 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:62264 Archived-At: Scott Frazer writes: > On Feb 21, 11:42 am, Rodrigo Lazo wrote: >> Hi all, >> >> Is there a way to compute a math expression on any buffer? I mean, if I >> have a buffer with the following expression >> >> 2 + 3 >> >> I want to mark the region and compute the result >> >> 2 + 3 = 5 >> >> It doesn't seems too hard to do, I've looked on calculator.el for a >> "computing" function I can call but I didn't find it. >> > > (defun my-calc-result (beg end) > (interactive "r") > (insert " = " (calc-eval (buffer-substring beg end)))) > Excellent! that is exactly what I was looking for. Thanks a lot -- Rodrigo Lazo (rlazo)