From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 116118 invoked by alias); 12 Jul 2019 10:48:16 -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 116023 invoked by uid 89); 12 Jul 2019 10:48:04 -0000 Authentication-Results: sourceware.org; auth=none X-Spam-SWARE-Status: No, score=-4.8 required=5.0 tests=AWL,BAYES_00,GIT_PATCH_2,RCVD_IN_DNSWL_LOW,SPF_PASS autolearn=ham version=3.3.1 spammy=H*F:D*nl, arnold, ANNOUNCEMENT, Arnold X-HELO: lb2-smtp-cloud9.xs4all.net Received: from lb2-smtp-cloud9.xs4all.net (HELO lb2-smtp-cloud9.xs4all.net) (194.109.24.26) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with ESMTP; Fri, 12 Jul 2019 10:48:01 +0000 Received: from tmp.qsuc1CgYBi ([83.162.234.136]) by smtp-cloud9.xs4all.net with ESMTPSA id lt5nhKWr3uEBxlt5ohEZ8o; Fri, 12 Jul 2019 12:47:59 +0200 Date: Fri, 12 Jul 2019 10:48:00 -0000 Message-ID: From: Houder Reply-To: cygwin@cygwin.com To: cygwin@cygwin.com Subject: Re: Possible issue with gawk 5.0.1-1: Getting new warnings References: In-Reply-to: Content-Type: text/plain; charset=UTF-8; format=fixed User-Agent: mua.awk 0.99 X-SW-Source: 2019-07/txt/msg00095.txt.bz2 Hi, Apparently Corinna V. (the maintainer of gawk) is not available at the moment. On Thu, 11 Jul 2019 11:51:09, Vipul P wrote: > Hello, > > Here is a sample script to invoke awk: > > $ cat ./gawk_error.sh > #!/bin/sh > echo "This:is:a:colon:separated:line:%%%:" | awk '{ > gsub("\\%", "%25", $0); > gsub("\\:", "%3A", $0); > print > }' ????? gsub(regexp, replacement[, target]) echo "This:is:a:colon:separated:line:%%%:" | awk '{ gsub(/%/, "%25"); gsub(/:/, "%3A"); print }' > ---- > > If I invoke it with gawk 5.0.1-1, I see warnings as below: > > $ uname -a > CYGWIN_NT-10.0 MyPC 3.0.7(0.338/5/3) 2019-04-30 18:08 x86_64 Cygwin > > $ awk -V > GNU Awk 5.0.1, API: 2.0 (GNU MPFR 4.0.2, GNU MP 6.1.2) > Copyright (C) 1989, 1991-2019 Free Software Foundation. > ... > > $ ./gawk_error.sh > awk: cmd. line:2: (FILENAME=- FNR=1) warning: regexp escape sequence `\%' > is not a known regexp operator > awk: cmd. line:3: (FILENAME=- FNR=1) warning: regexp escape sequence `\:' > is not a known regexp operator > This%3Ais%3Aa%3Acolon%3Aseparated%3Aline%3A%25%25%25%3A I am not surprised to see these specific warnings ... See 3.2 (esacpe sequences) of GAWK: Effective AWK programming. > ----- > This script runs without any warnings with older versions of gawk: [snip] https://cygwin.com/ml/cygwin/2019-04/msg00095.html ( [ANNOUNCEMENT] gawk 5.0.0-1 ) Item 3 > ---- > > The script runs without any warnings on Linux and other Unix variants. Using version 5 of gawk? > > Is this a regression in gawk 5.0.1-1 on Cygwin ? Not very likely, as Corinna V. uses the tarball provided by Arnold R. 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