#!/bin/sh
# 
## Extracts the current IP from ifconfig.
#
## usage: MY_IP=`my_ip` (with back quotes)
#
## Note that if your public IP is assigned to a router like a Cisco,
## Zxyel, Cayman, or other, this will not work!
#
## Hal Burgiss <hal@foobox.net>
#
#######################################################################
#
#WAN_IFACE=ppp0
WAN_IFACE=eth0                       #WAN Interface

# make sure the interface is up to start with ...
if ifconfig | grep $WAN_IFACE >/dev/null 2>&1 && 
   ifconfig $WAN_IFACE |grep UP >/dev/null; then 

 # extract just our desired IP ... 
 ifconfig $WAN_IFACE | grep inet | cut -d : -f 2 | cut -d \  -f 1
 exit 0

fi

exit 1

#--- eof my_ip