From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 105636 invoked by alias); 5 Oct 2018 15:32:22 -0000 Mailing-List: contact cygwin-help@cygwin.com; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: cygwin-owner@cygwin.com Mail-Followup-To: cygwin@cygwin.com Received: (qmail 105626 invoked by uid 89); 5 Oct 2018 15:32:21 -0000 Authentication-Results: sourceware.org; auth=none X-Spam-SWARE-Status: No, score=-1.9 required=5.0 tests=AWL,BAYES_00,RCVD_IN_DNSWL_NONE,SPF_PASS autolearn=ham version=3.3.2 spammy=Hx-languages-length:817 X-HELO: lb1-smtp-cloud9.xs4all.net Received: from lb1-smtp-cloud9.xs4all.net (HELO lb1-smtp-cloud9.xs4all.net) (194.109.24.22) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with ESMTP; Fri, 05 Oct 2018 15:32:18 +0000 Received: from tmp.X1isp8Nrp4 ([83.162.234.136]) by smtp-cloud9.xs4all.net with ESMTPSA id 8S5PgXhFWwD188S5Qg1oln; Fri, 05 Oct 2018 17:32:16 +0200 Date: Fri, 05 Oct 2018 15:32:00 -0000 Message-ID: <8100972155fcccd61852c0c9e48cd11b@smtp-cloud9.xs4all.net> From: Houder Reply-To: cygwin@cygwin.com To: cygwin@cygwin.com Subject: Re: grep < fifo fails References: In-Reply-to: Content-Type: text/plain; charset=UTF-8; format=fixed User-Agent: mua.awk 0.99 X-SW-Source: 2018-10/txt/msg00053.txt.bz2 On Thu, 04 Oct 2018 18:02:03, Houder wrote: > On Wed, 03 Oct 2018 20:46:11, Houder wrote: > > On Wed, 3 Oct 2018 15:37:14, Ole Tange wrote: > > > This works: > > > > > > $ mkfifo fifo > > > $ echo > fifo & grep . fifo > > > [1] 10232 > > > [1]+ Done echo > fifo > > > > > > But this fails: > > > > > > $ echo > fifo & grep . < fifo > > > [1] 11756 > > > grep: (standard input): Invalid argument > > > [1]+ Done echo > fifo > > > > > > I see the same behavior on MINGW, but I do not see the same behavior on GNU= > > > /Linux. > > My apologies. Did not read your post as careful as I should have the first time. > You are correct: grep is in error here. Filed this bug at bug-grep@gnu.org; it is filed under number 32943. - https://debbugs.gnu.org/cgi/bugreport.cgi?bug=32943 Regards, Henri -- 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