linux wireless ad-hoc

#!/bin/bash

echo "adhoc-enable 24092007"
echo

INTERFACE="eth1"

echo -n "ESSID : "
read ESSID
echo -n "Channel : "
read CHANNEL
#echo -n "Key : "
#read KEY
echo -n "IP Address : "
read IP_ADDRESS
echo -n "Netmask : "
read NETMASK
echo

sudo /etc/dbus-1/event.d/25NetworkManager stop
sudo iwconfig $INTERFACE mode ad-hoc essid $ESSID channel $CHANNEL
#if [ "$KEY" != "" ]; then
# sudo iwconfig $INTERFACE key $KEY
#fi
sudo ifconfig $INTERFACE $IP_ADDRESS netmask $NETMASK
sudo route add link-local netmask 255.255.0.0 metric 1000 dev $INTERFACE
echo

echo "Press any key to continue..."
read