#get the OS
OS_NAME=`uname -a|awk '{print $1}'`
LINUX_OS='Linux'

if [ $OS_NAME = $LINUX_OS ];
then
        #Get IP Address
        IPADDR=`/sbin/ifconfig eth0 | grep "inet " | awk '{print $2}' | cut -f 2 -d ':'`
    	if [ "$IPADDR" = "" ]
        then
		IPADDR=`/sbin/ifconfig em1 | grep "inet " | awk '{print $2}' | cut -f 2 -d ':'`
        fi 
	if [ "$IPADDR" = "" ]
        then
		IPADDR=`/sbin/ifconfig lo | grep "inet " | awk '{print $2}' | cut -f 2 -d ':'`
        fi 
else
        IPADDR=`/sbin/ifconfig en1 | grep "inet " | awk '{print $2}' | cut -f 2 -d ':'`
	if [ "$IPADDR" = "" ]
        then
                IPADDR=`/sbin/ifconfig lo0 | grep "inet " | awk '{print $2}' | cut -f 2 -d ':'`
        fi

fi
echo $IPADDR