From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932116AbbJLSlJ (ORCPT ); Mon, 12 Oct 2015 14:41:09 -0400 Received: from mail-lb0-f195.google.com ([209.85.217.195]:36666 "EHLO mail-lb0-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932091AbbJLSlG (ORCPT ); Mon, 12 Oct 2015 14:41:06 -0400 From: Alexander Kapshuk To: linux-kernel@vger.kernel.org Cc: gregkh@linuxfoundation.org, jim.epost@gmail.com, richard@nod.at, tytso@mit.edu, Alexander Kapshuk Subject: [PATCH 17/22] ver_linux: net-tools, look for numerical input, not field number Date: Mon, 12 Oct 2015 21:39:57 +0300 Message-Id: <1444675202-1375-17-git-send-email-alexander.kapshuk@gmail.com> X-Mailer: git-send-email 2.4.9 In-Reply-To: <1444675202-1375-1-git-send-email-alexander.kapshuk@gmail.com> References: <1444675202-1375-1-git-send-email-alexander.kapshuk@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Rely on regex to find the version number, rather than rely on numerical input to be found in a particular input field. Proposed implementation also eliminates the necessity to invoke 'grep' + 'awk'. Signed-off-by: Alexander Kapshuk --- scripts/ver_linux | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/scripts/ver_linux b/scripts/ver_linux index 2269803..4ef1b7d 100755 --- a/scripts/ver_linux +++ b/scripts/ver_linux @@ -140,8 +140,12 @@ awk '/version/{ substr($0,RSTART,RLENGTH)) }' -ifconfig --version 2>&1 | grep tools | awk \ -'NR==1{print "Net-tools ", $NF}' +ifconfig --version 2>&1 | +awk '/tools/{ + match($0, /[0-9]+([.]?[0-9]+)+/) + printf("Net-tools\t\t%s\n", + substr($0,RSTART,RLENGTH)) +}' # Kbd needs 'loadkeys -h', loadkeys -h 2>&1 | awk \ -- 2.4.9