au3读写hosts

#Region ;**** 参数创建于 ACNWrapper_GUI ****
#AutoIt3Wrapper_icon=C:\WINDOWS\system32\SHELL32.dll|-110
#EndRegion ;**** 参数创建于 ACNWrapper_GUI ****
#include <Array.au3>
#include <ButtonConstants.au3>
#include <EditConstants.au3>
#include <GUIConstantsEx.au3>
#include <WindowsConstants.au3>
Local $hostsdir = @SystemDir&"\drivers\etc\hosts"
    $Read = FileRead($hostsdir)
    $guanggao1="p2.1lo0.net"
    $guanggao2="js.cnxad.com"
    $array = StringRegExp($Read, '((?:(?:25[0-5]|2[0-4]\d|((1\d{2})|([1-9]?\d)))\.){3}(?:25[0-5]|2[0-4]\d|((1\d{2})|([1-9]?\d))))\h+'&$guanggao1, 3)
    If @error Then
       FileOpen($hostsdir,1)
       FileWriteLine($hostsdir,'####屏蔽电视64MA广告开始####'&@CRLF)
       FileWriteLine($hostsdir,'127.0.0.1 '&$guanggao1&@CRLF)
       FileWriteLine($hostsdir,'127.0.0.1 '&$guanggao2&@CRLF)
       FileWriteLine($hostsdir,'####屏蔽电视64MA广告结束####'&@CRLF)
       FileWriteLine($hostsdir,'####屏蔽导航网址开始####'&@CRLF)
       FileWriteLine($hostsdir,'127.0.0.1 www.hao123.com'&@CRLF)
       FileWriteLine($hostsdir,'127.0.0.1 hao.360.cn'&@CRLF)
       FileWriteLine($hostsdir,'####屏蔽导航网址结束####'&@CRLF)
       FileClose ($hostsdir)
    EndIf