From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Thierry Volpiatto Newsgroups: gmane.emacs.help Subject: Re: System operating detection Date: Wed, 11 Aug 2010 13:58:48 +0200 Organization: ThierryVolpiatto Message-ID: <87vd7hmkcn.fsf@tux.homenetwork> References: NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: dough.gmane.org 1281528132 28291 80.91.229.12 (11 Aug 2010 12:02:12 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Wed, 11 Aug 2010 12:02:12 +0000 (UTC) To: help-gnu-emacs@gnu.org Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Wed Aug 11 14:02:11 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 1OjA0Y-0004Cj-Nj for geh-help-gnu-emacs@m.gmane.org; Wed, 11 Aug 2010 14:02:11 +0200 Original-Received: from localhost ([127.0.0.1]:60199 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1OjA0Y-0008DH-AH for geh-help-gnu-emacs@m.gmane.org; Wed, 11 Aug 2010 08:02:10 -0400 Original-Received: from [140.186.70.92] (port=42261 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1OjA00-0008Bg-JK for help-gnu-emacs@gnu.org; Wed, 11 Aug 2010 08:01:37 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.69) (envelope-from ) id 1Oj9zz-0001uD-Gz for help-gnu-emacs@gnu.org; Wed, 11 Aug 2010 08:01:36 -0400 Original-Received: from lo.gmane.org ([80.91.229.12]:37836) by eggs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1Oj9zz-0001to-Aw for help-gnu-emacs@gnu.org; Wed, 11 Aug 2010 08:01:35 -0400 Original-Received: from list by lo.gmane.org with local (Exim 4.69) (envelope-from ) id 1Oj9zv-0003zn-Jf for help-gnu-emacs@gnu.org; Wed, 11 Aug 2010 14:01:31 +0200 Original-Received: from 173.77.197-77.rev.gaoland.net ([77.197.77.173]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Wed, 11 Aug 2010 14:01:31 +0200 Original-Received: from thierry.volpiatto by 173.77.197-77.rev.gaoland.net with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Wed, 11 Aug 2010 14:01:31 +0200 X-Injected-Via-Gmane: http://gmane.org/ Original-Lines: 41 Original-X-Complaints-To: usenet@dough.gmane.org X-Gmane-NNTP-Posting-Host: 173.77.197-77.rev.gaoland.net User-Agent: Gnus/5.110011 (No Gnus v0.11) Emacs/24.0.50 (gnu/linux) Cancel-Lock: sha1:meV3Mb2Uxxejnc4GmJoWqtbZ/oo= 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:74540 Archived-At: Andrea Crotti writes: > Is there a way to make this ugly thing: > > (defconst sysop > (cond > ((string-match "linux" system-configuration) "linux") > ((string-match "apple" system-configuration) "mac") > ((string-match "win" system-configuration) "win") > (t "other"))) > > (defconst linux (string= "linux" sysop)) > (defconst mac (string= "mac" sysop)) > (defconst win (string= "win" sysop)) > (defconst other (string= "other" sysop)) > > looking better? > I would like to have all the constants defined (to nil or t) but > avoiding this ugly repetition. > One (small) problem is that without the "cond" also "darwin" matches > "win", so I get a wrong constant... Use case: ,---- | (case system-type | (gnu/linux "Linux") | (window-nt "windows") | (darwin "mac") | (t "other") `---- > > -- Thierry Volpiatto Get my Gnupg key: gpg --keyserver pgp.mit.edu --recv-keys 59F29997