转自博客
http://www.newxing.com/Tech/Soft/system/Bat_450.html
先判断该环境变量是否已经存在,如果不存在则添加该环境变量。
先判断该环境变量是否已经存在,如果不存在则添加该环境变量。
- @echo off
- @set Path_=C:\Program Files\Gonsin\SystemData
- for,/f,"skip=4 tokens=1,2,*",%%a,in,('reg query "HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\Session Manager\Environment" /v Path'),do,(
- @set PathAll_=%%c
- )
-
- @echo %PathAll_%
- echo %PathAll_%|find /i "%Path_%" && set IsNull=true|| set IsNull=false
- if not %IsNull%==true (
- reg add "HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\Session Manager\Environment" /v Path /t REG_EXPAND_SZ /d "%PathAll_%;%Path_%" /f
- )
- if not %IsNull%==false (echo "This path has exists")
- pause
