#!/bin/sh
# Set the router for this interface
/sbin/ifconfig $2 | grep "$1" | awk '{ print $2 }' > /tmp/$2_router
# Remove file if it exists
if [ -f /var/etc/nameserver_$2 ]; then
rm -f /var/etc/nameserver_$2
fi
# DNS1
if [ "$3" != "" ]; then
echo $3 >> /var/etc/nameserver_$2
fi
# DNS2
if [ "$4" != "DNS2" ]; then
echo $4 >> /var/etc/nameserver_$2
fi