Mailing-List: contact cygwin-help AT cygwin DOT com; run by ezmlm List-Subscribe: List-Archive: List-Post: List-Help: , Sender: cygwin-owner AT cygwin DOT com Mail-Followup-To: cygwin AT cygwin DOT com Delivered-To: mailing list cygwin AT cygwin DOT com Date: Thu, 4 Nov 2004 17:12:28 -0500 (EST) From: Igor Pechtchanski Reply-To: cygwin AT cygwin DOT com To: cygwin AT cygwin DOT com Subject: Re: Perl binmode problem on text mount In-Reply-To: <20041104220056.GG16067@trixie.casa.cgf.cx> Message-ID: References: <41897FF4 DOT 1080501 AT agilent DOT com> <418A9BF3 DOT 5010903 AT familiehaase DOT de> <20041104212608 DOT GC16067 AT trixie DOT casa DOT cgf DOT cx> <418AA3FA DOT 7080905 AT familiehaase DOT de> <20041104220056 DOT GG16067 AT trixie DOT casa DOT cgf DOT cx> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII X-Scanned-By: MIMEDefang 2.39 On Thu, 4 Nov 2004, Christopher Faylor wrote: > On Thu, Nov 04, 2004 at 10:49:46PM +0100, Gerrit P. Haase wrote: > >Christopher Faylor wrote: > >>Pipes are binmode by default. > > > >That means they are just as pipes are ought to be, "what goes in comes > >out again, not more and not less"? > > > >Or does it mean that a pipe always strips \r? Then the cat example of > >the OP doesn't count at all. > > binmode means there is no extra processing on the fd. It is handled > just like linux. Linux doesn't add or subtract any characters when > it is doing I/O. > > You're right, though. The cat example really doesn't provide any useful > details. In fact, cat will output in text mode in some cases. > > The definitive test would be to run the older and newer versions of > perl on the newest version of cygwin. If the output using 'binmode' > differs between the two then perl is doing something wrong. If it > is the same then cygwin is doing something wrong. > > cgf I thought the OP did exactly that in ... FWIW, the following two invocations of perl from a text mount differ in their result: perl -e 'open OUT,">q.txt";binmode OUT;print OUT "Hello\n"' perl -e 'binmode STDOUT;print STDOUT "Hello\n"' > q.txt HTH, Igor -- http://cs.nyu.edu/~pechtcha/ |\ _,,,---,,_ pechtcha AT cs DOT nyu DOT edu ZZZzz /,`.-'`' -. ;-;;,_ igor AT watson DOT ibm DOT com |,4- ) )-,_. ,\ ( `'-' Igor Pechtchanski, Ph.D. '---''(_/--' `-'\_) fL a.k.a JaguaR-R-R-r-r-r-.-.-. Meow! "The Sun will pass between the Earth and the Moon tonight for a total Lunar eclipse..." -- WCBS Radio Newsbrief, Oct 27 2004, 12:01 pm EDT -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/