X-Recipient: archive-cygwin@delorie.com X-SWARE-Spam-Status: No, hits=-2.5 required=5.0 tests=AWL,BAYES_00,DKIM_SIGNED,DKIM_VALID,FREEMAIL_FROM,RCVD_IN_DNSWL_LOW X-Spam-Check-By: sourceware.org Message-ID: <4F39691C.1030807@gnu.org> Date: Mon, 13 Feb 2012 20:48:44 +0100 From: Paolo Bonzini User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:10.0) Gecko/20120131 Thunderbird/10.0 MIME-Version: 1.0 To: John Cowan CC: cygwin@cygwin.com, bug-sed@gnu.org Subject: Re: sed strips CRs References: <2BF01EB27B56CC478AD6E5A0A28931F203F560E4@A1DAL1SWPES19MB.ams.acs-inc.net> <20120210150708.GA22832@calimero.vinschen.de> <20120211100600.GA9823@calimero.vinschen.de> <4F391A38.6000505@redhat.com> <4F392012.80101@gnu.org> <20120213145612.GA8858@calimero.vinschen.de> <4F392ABC.1040309@gnu.org> <20120213194234.GA4177@mercury.ccil.org> In-Reply-To: <20120213194234.GA4177@mercury.ccil.org> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Mailing-List: contact cygwin-help@cygwin.com; run by ezmlm List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: cygwin-owner@cygwin.com Mail-Followup-To: cygwin@cygwin.com Delivered-To: mailing list cygwin@cygwin.com On 02/13/2012 08:42 PM, John Cowan wrote: >> > By the way, I'm still opening the script file with "rt". I cannot think >> > of any case when you would want to keep CRs there. > You wouldn't, but the point is that "rt" isn't defined on Posix systems. > If it happens to be the same as "r", good, but that isn't guaranteed. Yes, I added a configure-time check too. I assume that if "rt" works, it can be used instead of "r". > And the only time "rt" does anything different from "r" on a Win32 system > is when you have: > > 1) linked your executable with the system-supplied 'binmode.obj' file > > 2) set the global variable _fmode to O_BINARY > > 3) invoked _set_fmode(O_BINARY) > > all of which make "r" synonymous with "rb". Programs which don't do any > of these should use "r" rather than "rt", as it is guaranteed to do the > right thing for text on both Win32 and Posix systems. No, "rt" also does something different than "r" on Cygwin with binary-mounts. If you meant that "rt" should be restricted to cygwin, that's also fine by me but in general I prefer feature tests to OS tests. Paolo -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple