# make sure we are running as root. otherwise we have no access to look at many things in /etc.
if ($< != 0) {
printf "This script must be run as root or sudo. Try this:\n";
# make sure we are running as root. otherwise we have no access to look at many things in /etc.
if ($< != 0) {
printf "This script must be run as root or sudo. Try this:\n";