From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: pjb@informatimago.com (Pascal J. Bourguignon) Newsgroups: gmane.emacs.help Subject: Re: Visitor here is a gedit user; how to interest him in Emacs? Date: Thu, 05 Aug 2010 14:57:00 +0200 Organization: Informatimago Message-ID: <877hk5w737.fsf@kuiper.lan.informatimago.com> References: NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: dough.gmane.org 1291855800 28307 80.91.229.12 (9 Dec 2010 00:50:00 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Thu, 9 Dec 2010 00:50:00 +0000 (UTC) To: help-gnu-emacs@gnu.org Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Thu Dec 09 01:49:56 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 1PQUhn-00058z-Mh for geh-help-gnu-emacs@m.gmane.org; Thu, 09 Dec 2010 01:49:55 +0100 Original-Received: from localhost ([127.0.0.1]:39355 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1PQUhn-0008Sc-1U for geh-help-gnu-emacs@m.gmane.org; Wed, 08 Dec 2010 19:49:55 -0500 Original-Path: usenet.stanford.edu!fu-berlin.de!uni-berlin.de!individual.net!not-for-mail Original-Newsgroups: gnu.emacs.help Original-Lines: 72 Original-X-Trace: individual.net zSnaHyJOSU+A7DmwwPKLGQDEtA0JU8gRwmk6SaV4GwhUSdEJx3 Cancel-Lock: sha1:MTZlZGExYzhhM2I2M2ZlZjA3YzEzY2EzOTlhMmZmMWYzNzdiYTMwYg== sha1:UH114Xgx7cZ+x3ANLJuQzlZtkrg= Face: iVBORw0KGgoAAAANSUhEUgAAADAAAAAwAQMAAABtzGvEAAAABlBMVEUAAAD///+l2Z/dAAAA oElEQVR4nK3OsRHCMAwF0O8YQufUNIQRGIAja9CxSA55AxZgFO4coMgYrEDDQZWPIlNAjwq9 033pbOBPtbXuB6PKNBn5gZkhGa86Z4x2wE67O+06WxGD/HCOGR0deY3f9Ijwwt7rNGNf6Oac l/GuZTF1wFGKiYYHKSFAkjIo1b6sCYS1sVmFhhhahKQssRjRT90ITWUk6vvK3RsPGs+M1RuR mV+hO/VvFAAAAABJRU5ErkJggg== X-Accept-Language: fr, es, en X-Disabled: X-No-Archive: no User-Agent: Gnus/5.101 (Gnus v5.10.10) Emacs/23.2 (gnu/linux) Original-Xref: usenet.stanford.edu gnu.emacs.help:180403 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:76325 Archived-At: Marc Mientki writes: > Am 05.08.2010 08:12, schrieb David Combs: > >> every time I try to show him some Emacs concep, he says >> that he can do that in gedit also. > > Another example. Let him convert that > > value_at_1_4 = 10; > value_at_2_2 = 11; > value_at_5_1 = 300; > > to this: > > value[3][0] = 10; > value[1][1] = 11; > value[0][4] = 300; > So he should extract two last number parts from variable name, remove > _at_' from name, use both index for c-array-indexing but in reverse > order and 0-based (original was 1-based). Of course everything in one > pass in full automatic :-) Even better: /* matrix is: | 2 9 11 | | 6 5 0 | | 1 12 7 | */ and have it transform this comment into the matrix intialization code: matrix[1][1]=2; matrix[1][2]=6; matrix[1][3]=1; matrix[2][1]=9; matrix[2][2]=5; matrix[2][3]=12; matrix[3][1]=11; matrix[3][2]=0; matrix[3][3]=7; (defun matrix-to-c (start end) (interactive "r") (goto-char start) (when (re-search-forward "\\([_A-Za-z][_A-Za-z0-9]*\\) *is *:" end t) (let ((name (match-string 1)) (data '())) (while (re-search-forward "|\\(.*\\)|" end t) (push (first (read-from-string (concat "(" (match-string 1) ")"))) data)) (setf data (reverse data)) (search-forward "*/") (goto-char (match-end 0)) (insert "\n") (loop for j from 1 to (length data) do (loop for i from 1 to (length (first data)) do (insert (format "%s[%s][%s]=%s;\n" name j i (elt (elt data (1- i)) (1- j))))))))) -- __Pascal Bourguignon__ http://www.informatimago.com/