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@echo off&setlocal enabledelayedexpansion  
:begin  
cls  
set/p path_=ÇëÊäÈëÄãÒªÌí¼ÓµÄ»·¾³±äÁ¿µÄ·¾¶£º  
if not defined path_ goto error  
for,/f,"skip=4 tokens=1,2,*",%%a,in,('reg query "HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\Session Manager\Environment" /v Path'),do,(  
     echo µ±Ç°µÄ»·¾³±äÁ¿Îª:  
        echo %%c  
        echo;  
        set/p yesno=ÊÇ·ñÈ·ÈϽ«"%path_%"Ìí¼Óµ½ÏµÍ³»·¾³±äÁ¿ÖÐÈ¥£¿[Y]/[N]  
        if /i "!yesno!"=="y" (  
                reg add "HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\Session Manager\Environment" /v Path /t REG_EXPAND_SZ /d "%%c;%path_%" /f  
                )  
        goto :eof  
)  
pause  
goto :Eof          
:error  
echo ÊäÈë´íÎó£¬ÇëÖØÐÂÊäÈë  
pause  
goto begin


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