[PATCH 23/24] ver_linux: wireless-tools.patch

[Alexander Kapshuk]

Using 'awk' here is a bit of an overkill. Should the output of 'iwconfig
--version' vary on another disto, or change overtime, it may no longer
be available in field 4, as relied on by the current implementation.

I believe 'sed' offers greater flexibility here in terms of processing
varying output as well as being more light-weight.


Tested on:
Arch Linux
openSuSE 13.2

Signed-off-by: Alexander Kapshuk <alexander.kapshuk@xxxxxxxxx>
---
--- linux/scripts/ver_linux.orig    2015-10-03 13:41:57.118790241 +0300
+++ linux/scripts/ver_linux    2015-10-03 14:01:23.315339094 +0300
@@ -89,8 +89,13 @@

 udevinfo -V 2>&1 | grep version | awk '{print "udev                  ", $3}'

-iwconfig --version 2>&1 | awk \
-'(NR==1 && ($3 == "version")) {print "wireless-tools        ",$4}'
+test -x "$iwconfig" &&
+$iwconfig --version 2>&1 |
+sed '
+    /version/!d
+    s/[^0-9\.]//g
+    s/^/wireless-tools\t\t/
+'

 if [ -e /proc/modules ]; then
     X=`cat /proc/modules | sed -e "s/ .*$//"`
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