Shell Script To Read IP Address ( Find Ip Address Script )

#!/bin/sh


# Shell script scripts to read ip address


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# Copyright (c) 2005 nixCraft project <http://cyberciti.biz/fb/>


# This script is licensed under GNU GPL version 2.0 or above


# -------------------------------------------------------------------------


# This script is part of nixCraft shell script collection (NSSC)


# Visit http://bash.cyberciti.biz/ for more information.


# -------------------------------------------------------------------------


# Get OS name


OS=`uname`


IO="" # store IP


case $OS in


   Linux) IP=`ifconfig  | grep 'inet addr:'| grep -v '127.0.0.1' | cut -d: -f2 | awk '{ print $1}'`;;


   FreeBSD|OpenBSD) IP=`ifconfig  | grep -E 'inet.[0-9]' | grep -v '127.0.0.1' | awk '{ print $2}'` ;;


   SunOS) IP=`ifconfig -a | grep inet | grep -v '127.0.0.1' | awk '{ print $2} '` ;;


   *) IP="Unknown";;


esac


echo "$IP"