From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Gary Newsgroups: gmane.emacs.help Subject: Re: random predicate function Date: Mon, 13 Dec 2010 16:37:08 +0100 Message-ID: References: <87ipyxvils.fsf@guruji.demimonde> NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: dough.gmane.org 1292254673 31145 80.91.229.12 (13 Dec 2010 15:37:53 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Mon, 13 Dec 2010 15:37:53 +0000 (UTC) To: help-gnu-emacs@gnu.org Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Mon Dec 13 16:37:49 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 1PSATD-0007hs-Ca for geh-help-gnu-emacs@m.gmane.org; Mon, 13 Dec 2010 16:37:47 +0100 Original-Received: from localhost ([127.0.0.1]:55327 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1PSATC-0000uS-TR for geh-help-gnu-emacs@m.gmane.org; Mon, 13 Dec 2010 10:37:46 -0500 Original-Received: from [140.186.70.92] (port=40760 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1PSASr-0000uD-9B for help-gnu-emacs@gnu.org; Mon, 13 Dec 2010 10:37:26 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1PSASq-0005kl-6Q for help-gnu-emacs@gnu.org; Mon, 13 Dec 2010 10:37:25 -0500 Original-Received: from lo.gmane.org ([80.91.229.12]:34358) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1PSASp-0005k8-Tb for help-gnu-emacs@gnu.org; Mon, 13 Dec 2010 10:37:24 -0500 Original-Received: from list by lo.gmane.org with local (Exim 4.69) (envelope-from ) id 1PSASn-0007XE-DI for help-gnu-emacs@gnu.org; Mon, 13 Dec 2010 16:37:21 +0100 Original-Received: from ge-u-fw01.ggamaur.net ([213.160.40.69]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Mon, 13 Dec 2010 16:37:21 +0100 Original-Received: from help-gnu-emacs by ge-u-fw01.ggamaur.net with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Mon, 13 Dec 2010 16:37:21 +0100 X-Injected-Via-Gmane: http://gmane.org/ Mail-Followup-To: help-gnu-emacs@gnu.org Original-Lines: 15 Original-X-Complaints-To: usenet@dough.gmane.org X-Gmane-NNTP-Posting-Host: ge-u-fw01.ggamaur.net User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/23.2 (cygwin) X-No-Archive: Yes Mail-Copies-To: never 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 X-Gmane-Expiry: 2010-12-27 Xref: news.gmane.org gmane.emacs.help:77445 Archived-At: Tyler Smith wrote: > (lambda (tmp1 tmp2) (if (eq (mod (random) 2) 0) > t > nil)))))) I'm by no means an expert, but you should perhaps first once call (random t) Have a look at http://www.gnu.org/software/emacs/elisp/html_node/Random-Numbers.html -- Gary Please do NOT send me 'courtesy' replies off-list. GNU Emacs 23.2.1 emacsclient 23.2