1# From bug-gawk-bounces+arnold=skeeve.com@gnu.org Tue Jul 12 08:18:24 2011 2# Return-Path: <bug-gawk-bounces+arnold=skeeve.com@gnu.org> 3# Received: from localhost (localhost [127.0.0.1]) 4# by skeeve.com (8.14.3/8.14.3) with ESMTP id p6C5HArm002260 5# for <arnold@localhost>; Tue, 12 Jul 2011 08:18:23 +0300 6# X-Spam-Checker-Version: SpamAssassin 3.2.5 (2008-06-10) on sls-af11p1 7# X-Spam-Level: 8# X-Spam-Status: No, score=-5.5 required=5.0 tests=BAYES_00,DNS_FROM_OPENWHOIS, 9# RCVD_IN_DNSWL_MED autolearn=ham version=3.2.5 10# X-Envelope-From: bug-gawk-bounces+arnold=skeeve.com@gnu.org 11# Received: from server1.f7.net [66.148.120.132] 12# by localhost with IMAP (fetchmail-6.3.11) 13# for <arnold@localhost> (single-drop); Tue, 12 Jul 2011 08:18:23 +0300 (IDT) 14# Received: from lists.gnu.org (lists.gnu.org [140.186.70.17]) 15# by freefriends.org (8.14.4/8.14.4) with ESMTP id p6BIYi4t032040; 16# Mon, 11 Jul 2011 14:34:48 -0400 17# Received: from localhost ([::1]:38787 helo=lists.gnu.org) 18# by lists.gnu.org with esmtp (Exim 4.71) 19# (envelope-from <bug-gawk-bounces+arnold=skeeve.com@gnu.org>) 20# id 1QgLJb-0004tM-Eg 21# for arnold@skeeve.com; Mon, 11 Jul 2011 14:34:43 -0400 22# Received: from eggs.gnu.org ([140.186.70.92]:54022) 23# by lists.gnu.org with esmtp (Exim 4.71) 24# (envelope-from <kornet@camk.edu.pl>) id 1QgD0R-0004Vi-HZ 25# for bug-gawk@gnu.org; Mon, 11 Jul 2011 05:42:24 -0400 26# Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) 27# (envelope-from <kornet@camk.edu.pl>) id 1QgD0Q-0000SE-8u 28# for bug-gawk@gnu.org; Mon, 11 Jul 2011 05:42:23 -0400 29# Received: from moat.camk.edu.pl ([148.81.175.50]:34696) 30# by eggs.gnu.org with esmtp (Exim 4.71) 31# (envelope-from <kornet@camk.edu.pl>) id 1QgD0P-0000Px-V3 32# for bug-gawk@gnu.org; Mon, 11 Jul 2011 05:42:22 -0400 33# Received: from localhost (localhost.localdomain [127.0.0.1]) 34# by moat.camk.edu.pl (Postfix) with ESMTP id 72C1D5F004C 35# for <bug-gawk@gnu.org>; Mon, 11 Jul 2011 11:42:13 +0200 (CEST) 36# X-Virus-Scanned: amavisd-new at camk.edu.pl 37# Received: from moat.camk.edu.pl ([127.0.0.1]) 38# by localhost (liam.camk.edu.pl [127.0.0.1]) (amavisd-new, port 10024) 39# with LMTP id oh+-Yw+zHhK6 for <bug-gawk@gnu.org>; 40# Mon, 11 Jul 2011 11:42:07 +0200 (CEST) 41# Received: from gatekeeper.camk.edu.pl (gatekeeper.camk.edu.pl [192.168.1.23]) 42# by moat.camk.edu.pl (Postfix) with ESMTP id 89AA55F0046 43# for <bug-gawk@gnu.org>; Mon, 11 Jul 2011 11:42:07 +0200 (CEST) 44# Received: by gatekeeper.camk.edu.pl (Postfix, from userid 1293) 45# id 796C8809FB; Mon, 11 Jul 2011 11:42:07 +0200 (CEST) 46# Date: Mon, 11 Jul 2011 11:42:07 +0200 47# From: Kacper Kornet <draenog@pld-linux.org> 48# To: bug-gawk@gnu.org 49# Message-ID: <20110711094207.GA2616@camk.edu.pl> 50# MIME-Version: 1.0 51# Content-Type: text/plain; charset=iso-8859-2 52# Content-Disposition: inline 53# User-Agent: Mutt/1.5.20 (2009-06-14) 54# X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6 (newer, 3) 55# X-Received-From: 148.81.175.50 56# X-Mailman-Approved-At: Mon, 11 Jul 2011 14:34:26 -0400 57# Subject: [bug-gawk] Change in behavior of gsub inside loop 58# X-BeenThere: bug-gawk@gnu.org 59# X-Mailman-Version: 2.1.14 60# Precedence: list 61# List-Id: "Bug reports and all discussion about gawk." <bug-gawk.gnu.org> 62# List-Unsubscribe: <https://lists.gnu.org/mailman/options/bug-gawk>, 63# <mailto:bug-gawk-request@gnu.org?subject=unsubscribe> 64# List-Archive: </archive/html/bug-gawk> 65# List-Post: <mailto:bug-gawk@gnu.org> 66# List-Help: <mailto:bug-gawk-request@gnu.org?subject=help> 67# List-Subscribe: <https://lists.gnu.org/mailman/listinfo/bug-gawk>, 68# <mailto:bug-gawk-request@gnu.org?subject=subscribe> 69# Errors-To: bug-gawk-bounces+arnold=skeeve.com@gnu.org 70# Sender: bug-gawk-bounces+arnold=skeeve.com@gnu.org 71# Status: R 72# 73# Hi, 74# 75# I have observed the following changed behavior between gawk-3.8.1 and 76# gakw-4.0.0. While in the former 77# 78# echo -ne ' aaa' | gawk '{for (c = 1; c <= NF; c++) {gsub("foo", "bar", $c); print}}' 79# 80# prints: 81# 82# aaa 83# 84# the gawk-4.0.0 does not preserve the leading spaces and prints: 85# 86# aaa 87# 88# Best regards, 89# -- 90# Kacper 91# 92{for (c = 1; c <= NF; c++) {gsub("foo", "bar", $c); print}} 93