Path: csiph.com!x330-a1.tempe.blueboxinc.net!usenet.pasdenom.info!aioe.org!feeder.news-service.com!newsfeed.xs4all.nl!newsfeed6.news.xs4all.nl!xs4all!post.news.xs4all.nl!not-for-mail Return-Path: X-Original-To: python-list@python.org Delivered-To: python-list@mail.python.org X-Spam-Status: OK 0.068 X-Spam-Evidence: '*H*': 0.86; '*S*': 0.00; 'object.': 0.09; 'am,': 0.13; 'received:209.85.214.174': 0.13; 'received:mail- iw0-f174.google.com': 0.13; 'wrote:': 0.15; 'subject:Trying': 0.16; '>>>': 0.16; 'header:In-Reply-To:1': 0.22; 'code': 0.24; 'function': 0.26; 'windows': 0.27; 'received:209.85.214': 0.28; 'thanks': 0.30; 'least': 0.31; 'pointing': 0.32; 'message- id:@gmail.com': 0.32; 'error': 0.33; 'header:User-Agent:1': 0.34; 'to:addr:python-list': 0.34; 'that,': 0.35; 'function.': 0.35; 'probably': 0.35; 'file': 0.36; 'doing': 0.37; 'received:google.com': 0.37; 'but': 0.37; 'some': 0.37; 'received:209.85': 0.38; 'received:192': 0.38; 'could': 0.38; 'subject:: ': 0.38; 'problems': 0.38; 'common': 0.39; 'received:192.168.1': 0.39; 'to:addr:python.org': 0.39; 'received:209': 0.39; 'logs': 0.40; 'skip:s 20': 0.40; 'would': 0.40; 'peter': 0.62; 'arise.': 0.84; 'otten': 0.84 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:message-id:date:from:user-agent:mime-version:to :subject:references:in-reply-to:x-enigmail-version:content-type :content-transfer-encoding; bh=fHuZJ3nKdTne4LJFT76EmIS5z0F3kLyiDKSqA4MnAis=; b=n3tgV2YYecxaw9L6FTPoZoUKOgjw178mSViq9Z53NyrjAUfhuJ/NiBTdgdIL7QUkPT 4r8g6zArrU19PtwdkI0Ny6zA3ceYoDv0Yz/Ahl1Q4OiXF6vs4Jp9fECag3qHxSj3n6xl lnQ5gO4mwjwM9e1t2Sgvn51mZyk6O4Mz7IzDA= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:user-agent:mime-version:to:subject:references :in-reply-to:x-enigmail-version:content-type :content-transfer-encoding; b=YyhXPK9BDfJq8hdM99jJrAb1+iituCcxaRluiIWHGVeM6CUuucz0f+oAKkTbJvgcym EvV4yHJrfPWwTGgmeQV2EafBJtOAKSuqDIe171lNJcTpCZ2u7QCaKdm6c0dORlgdgeuZ wcuhx0yxvJvIv9ybLhxC3nEfdOPtHh6L2dGxk= Date: Tue, 28 Jun 2011 01:47:00 -0500 From: Andrew Berg User-Agent: Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US; rv:1.9.2.17) Gecko/20110414 Thunderbird/3.1.10 ThunderBrowse/3.3.5 MIME-Version: 1.0 To: "comp.lang.python" Subject: Re: Trying to chain processes together on a pipeline References: <4E096D3B.3080300@gmail.com> In-Reply-To: X-Enigmail-Version: 1.1.1 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-BeenThere: python-list@python.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: General discussion list for the Python programming language List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Newsgroups: comp.lang.python Message-ID: Lines: 11 NNTP-Posting-Host: 2001:888:2000:d::a6 X-Trace: 1309243643 news6.xs4all.nl 4354 [2001:888:2000:d::a6]:38629 X-Complaints-To: abuse@xs4all.nl Xref: x330-a1.tempe.blueboxinc.net comp.lang.python:8524 On 2011.06.28 01:32 AM, Peter Otten wrote: > >>> subprocess.call(["ls"], stdout=open(os.devnull, "w")) > 0 D'oh! Not sure why I was thinking os.devnull was a file object. :-[ > Start with factoring out common code into a good old function. For some reason I was thinking I would have problems doing that, but looking at it again, I could probably refactor that into a really nice function that logs at least all the common Windows error codes that may arise. Thanks for pointing those out.