From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Andrea Crotti Newsgroups: gmane.emacs.help Subject: System operating detection Date: Wed, 11 Aug 2010 11:06:06 +0200 Message-ID: NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: dough.gmane.org 1281517650 2744 80.91.229.12 (11 Aug 2010 09:07:30 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Wed, 11 Aug 2010 09:07:30 +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 11:07:29 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 1Oj7HI-00062Q-WB for geh-help-gnu-emacs@m.gmane.org; Wed, 11 Aug 2010 11:07:29 +0200 Original-Received: from localhost ([127.0.0.1]:39791 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1Oj7H2-00038S-R4 for geh-help-gnu-emacs@m.gmane.org; Wed, 11 Aug 2010 05:07:00 -0400 Original-Received: from [140.186.70.92] (port=58427 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1Oj7GQ-000366-4v for help-gnu-emacs@gnu.org; Wed, 11 Aug 2010 05:06:26 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.69) (envelope-from ) id 1Oj7GL-0003fZ-Ha for help-gnu-emacs@gnu.org; Wed, 11 Aug 2010 05:06:21 -0400 Original-Received: from lo.gmane.org ([80.91.229.12]:38854) by eggs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1Oj7GL-0003f4-AN for help-gnu-emacs@gnu.org; Wed, 11 Aug 2010 05:06:17 -0400 Original-Received: from list by lo.gmane.org with local (Exim 4.69) (envelope-from ) id 1Oj7GJ-0005kk-Q3 for help-gnu-emacs@gnu.org; Wed, 11 Aug 2010 11:06:15 +0200 Original-Received: from 80-163.eduroam.rwth-aachen.de ([134.61.80.163]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Wed, 11 Aug 2010 11:06:15 +0200 Original-Received: from andrea.crotti.0 by 80-163.eduroam.rwth-aachen.de with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Wed, 11 Aug 2010 11:06:15 +0200 X-Injected-Via-Gmane: http://gmane.org/ Original-Lines: 21 Original-X-Complaints-To: usenet@dough.gmane.org X-Gmane-NNTP-Posting-Host: 80-163.eduroam.rwth-aachen.de User-Agent: Gnus/5.110011 (No Gnus v0.11) Emacs/23.2 (darwin) Cancel-Lock: sha1:Be9QrsL7dFPOZIBcxlQbo47KvAc= 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:74535 Archived-At: Is there a way to make this ugly thing: --8<---------------cut here---------------start------------->8--- (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)) --8<---------------cut here---------------end--------------->8--- 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...