ver_linux: jfsutils, 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' + 'sed' + 'awk'.

Signed-off-by: Alexander Kapshuk <alexander.kapshuk@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 6 insertions, 2 deletions

diff --git a/scripts/ver_linux b/scripts/ver_linux
index 2e1929f2c9de..7d85447d2ba5 100755
--- a/scripts/ver_linux
+++ b/scripts/ver_linux
@@ -53,8 +53,12 @@ awk '/^tune2fs/{
         substr($0,RSTART,RLENGTH))
 }'
 
-fsck.jfs -V 2>&1 | grep version | sed 's/,//' |  awk \
-'NR==1 {print "jfsutils              ", $3}'
+fsck.jfs -V 2>&1 |
+awk '/version/{
+        match($0, /[0-9]+([.]?[0-9]+)+/)
+        printf("Jfsutils\t\t%s\n",
+        substr($0,RSTART,RLENGTH))
+}'
 
 reiserfsck -V 2>&1 | grep ^reiserfsck | awk \
 'NR==1{print "reiserfsprogs         ", $2}'