From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Andrei Alexandrescu Newsgroups: gmane.emacs.help Subject: Re: require a package only if present Date: Sat, 11 Jul 2009 16:14:52 -0500 Organization: A noiseless patient Spider Message-ID: References: NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Trace: ger.gmane.org 1247348452 24195 80.91.229.12 (11 Jul 2009 21:40:52 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Sat, 11 Jul 2009 21:40:52 +0000 (UTC) To: help-gnu-emacs@gnu.org Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Sat Jul 11 23:40:45 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 1MPkJJ-0004To-95 for geh-help-gnu-emacs@m.gmane.org; Sat, 11 Jul 2009 23:40:45 +0200 Original-Received: from localhost ([127.0.0.1]:40180 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1MPkJI-0007es-HY for geh-help-gnu-emacs@m.gmane.org; Sat, 11 Jul 2009 17:40:44 -0400 Original-Path: news.stanford.edu!headwall.stanford.edu!newsfeed.news2me.com!newsfeed2.telusplanet.net!newsfeed.telus.net!feeder.erje.net!feeder.eternal-september.org!eternal-september.org!not-for-mail Original-Newsgroups: gnu.emacs.help Original-Lines: 16 Original-X-Trace: news.eternal-september.org U2FsdGVkX19YeTef8V5ln+SsIKxFPX/nz9bffeCgS58P7v5yzbioXsdBE/FUeRjEI7ohex/n3DvJ0fyS0kXrjwzRu8xYDroJw7UCur50ujn4bXl3dCvW4me9JUKTOFv0fTpwgCNKYkutGv0UHyRZVA== Original-X-Complaints-To: abuse@eternal-september.org Original-NNTP-Posting-Date: Sat, 11 Jul 2009 21:19:41 +0000 (UTC) In-Reply-To: X-Auth-Sender: U2FsdGVkX1+b1VUXBEwmOAEBSzdHgsvEcEmAssO+jDKazTXZ+EIReg== Cancel-Lock: sha1:8b77EX6k009dk/lmHJJobQXCm1s= User-Agent: Thunderbird 2.0.0.22 (X11/20090608) Original-Xref: news.stanford.edu gnu.emacs.help:170766 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:65968 Archived-At: Edward O'Connor wrote: > >> I am trying to use the same copy of .emacs across various machines. >> Some, however, don't have certain packages. So I need to replace lines >> like: >> >> (require 'tex-site) >> >> with code that checks whether tex-site is present and only loads it if >> there. How can I do that? Any pointers welcome. > > (require 'tex-site nil t) Many thanks! Andrei