WHY

@echo off & setlocal enabledelayedexpansion
set "file=%systemroot%\system32\drivers\etc\hosts"
for /f "tokens=2" %%i in ('more +11 "%~0"') do set #%%i=1
for /f "delims=" %%i in ('findstr /n .* %file%') do (
    set "s=%%i"
    set "s=!s:*:=!"
    for /f "tokens=1,2" %%j in ("#!s!") do if not defined #%%k echo;!s!
)
more +11 "%~0"
pause & exit

127.0.0.1 mcfg.sandai.net
127.0.0.1 211.94.190.80
127.0.0.1 advstat.xunlei.com
123.87.86.5 biz5.sandai.net
527.66.13.125 cknum.sandai.net
110.45.215.113 cl.kankan.xunlei.com
127.0.0.1 float.sandai.net
127.0.0.1 mcfg.sandai.net
180.70.134.154 mtips.xunlei.com
127.0.0.1 pubstat.sandai.net
216.58.221.74 recommend.xunlei.com
127.0.0.1 wy.xunlei.com
110.45.229.148 buy.safe.xunlei.com
复制代码