# and if running in live mode
if ! checkbootparam 'nodhcphostname' && [ -f /etc/grml_cd ] ; then
- hostname=$(busybox nslookup $3 | awk '/Address 1: '$3'/ {print $4}')
- [ -n $hostname ] || exit 1
+ hostname=$(busybox nslookup "$3" | awk '/Address 1: '$3'/ {print $4}')
+ [ -n "$hostname" ] || exit 1
- grml-hostname $hostname
+ grml-hostname "$hostname"
hostname -F /etc/hostname
fi