1*4882a593Smuzhiyun#!/bin/bash 2*4882a593Smuzhiyun 3*4882a593Smuzhiyunvar0=`ps aux|awk '/dhclient wlan0/'|awk '$11!="awk"{print $2}'` 4*4882a593Smuzhiyun 5*4882a593Smuzhiyunkill $var0 6*4882a593Smuzhiyuncp ifcfg-wlan0 /etc/sysconfig/network-scripts/ 7*4882a593Smuzhiyun 8*4882a593Smuzhiyundhclient wlan0 9*4882a593Smuzhiyun 10*4882a593Smuzhiyunvar1=`ifconfig wlan0 |awk '/inet/{print $2}'|awk -F: '{print $2}'` 11*4882a593Smuzhiyun 12*4882a593Smuzhiyun 13*4882a593Smuzhiyunrm -f /etc/sysconfig/network-scripts/ifcfg-wlan0 14*4882a593Smuzhiyun 15*4882a593Smuzhiyunecho "get ip: $var1" 16*4882a593Smuzhiyun 17