[PATCH 02/22] ver_linux: make --version, use regex to find version number

Alexander Kapshuk
2015-10-12T18:40:41Z

Rely on regex to find the version number, rather than a field number.
Reduce the number of 'awk' invocations from two to one.

Signed-off-by: Alexander Kapshuk <alexander.kapshuk@gmail.com>
---
scripts/ver_linux | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/scripts/ver_linux b/scripts/ver_linux
index af6467e..31c0e4d 100755
--- a/scripts/ver_linux
+++ b/scripts/ver_linux
@@ -18,8 +18,12 @@ awk '/[0-9]+([.]?[0-9]+)+/ && !/not found$/{
substr($0,RSTART,RLENGTH))
}'

-make --version 2>&1 | awk -F, '{print $1}' | awk \
- '/GNU Make/{print "Gnu make ",$NF}'
+make --version 2>&1 |
+awk '/GNU Make/{
+ match($0, /[0-9]+([.]?[0-9]+)+/)
+ printf("GNU Make\t\t%s\n",
+ substr($0,RSTART,RLENGTH))
+}'

echo "binutils $(ld -v | egrep -o '[0-9]+\.[0-9\.]+')"

--
2.4.9