wlan0dhcp

latest Linux driver for Realtek RTL8187 wireless NIC

#!/bin/bash

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

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"