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Date: Mon, 12 Oct 2015 21:39:56 +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 16/22] ver_linux: procps, 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.
Proposed implementation also eliminates the necessity to invoke 'grep' + 'awk'.
Signed-off-by: Alexander Kapshuk <alexander.kapshuk@...il.com>
---
scripts/ver_linux | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/scripts/ver_linux b/scripts/ver_linux
index 882ddb9..2269803 100755
--- a/scripts/ver_linux
+++ b/scripts/ver_linux
@@ -133,8 +133,12 @@ sed '
s!.*so\.!!
s!^!Linux C++ Library\t!
'
-ps --version 2>&1 | grep version | awk \
-'NR==1{print "Procps ", $NF}'
+ps --version 2>&1 |
+awk '/version/{
+ match($0, /[0-9]+([.]?[0-9]+)+/)
+ printf("Procps\t\t\t%s\n",
+ substr($0,RSTART,RLENGTH))
+}'
ifconfig --version 2>&1 | grep tools | awk \
'NR==1{print "Net-tools ", $NF}'
--
2.4.9
--
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