#!/bin/bash

cp ifcfg-wlan0 /etc/sysconfig/network-scripts/

var0=`ps aux|awk '/dhclient wlan0/'|awk '$11!="awk"{print $2}'`
if [ "$var0" = "" ]
then
echo "Pre-dhclient not exist!"
else
echo "Pre-dhclient killed!"
kill $var0
fi

dhclient wlan0
var1=`ifconfig wlan0 |awk '/inet/{print $2}'|awk -F: '{print $2}'`

rm -f /etc/sysconfig/network-scripts/ifcfg-wlan0

echo "get ip: $var1"

