linux-kernel - [PATCH 05/22] ver_linux: module-init-tools, look for numerical input, not field number

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Message-Id: <1444675202-1375-5-git-send-email-alexander.kapshuk@gmail.com>
Date:	Mon, 12 Oct 2015 21:39:45 +0300
From:	Alexander Kapshuk <alexander.kapshuk@...il.com>
To:	linux-kernel@...r.kernel.org
Cc:	gregkh@...uxfoundation.org, jim.epost@...il.com, richard@....at,
	tytso@....edu, Alexander Kapshuk <alexander.kapshuk@...il.com>
Subject: [PATCH 05/22] ver_linux: module-init-tools, look for numerical input, not field number

Rely on regex to find the version number, rather than rely on numerical input to be found in a particular input field.

Tested on:
Gentoo Linux
Debian 6.0.10
Oracle Linux Server release 7.1

Signed-off-by: Alexander Kapshuk <alexander.kapshuk@...il.com>
---
 scripts/ver_linux | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/scripts/ver_linux b/scripts/ver_linux
index 28e7640..7cc74d1 100755
--- a/scripts/ver_linux
+++ b/scripts/ver_linux
@@ -39,7 +39,12 @@ awk '/[0-9]+([.]?[0-9]+)+/ && !/not found$/{
 	printf("Util-linux\t\t%s\nMount\t\t\t%s\n",$0,$0)
 }'
 
-depmod -V  2>&1 | awk 'NR==1 {print "module-init-tools     ",$NF}'
+depmod -V  2>&1 |
+awk '/[0-9]+([.]?[0-9]+)+/ && !/not found$/{
+	match($0, /[0-9]+([.]?[0-9]+)+/)
+	printf("Module-init-tools\t%s\n",
+	substr($0,RSTART,RLENGTH))
+}'
 
 tune2fs 2>&1 | grep "^tune2fs" | sed 's/,//' |  awk \
 'NR==1 {print "e2fsprogs             ", $2}'
-- 
2.4.9

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