@echo off   
for /f "delims=" %%p in (pass.txt) do ( 
    echo. 
    echo Trying password: %%p 
    7z x "%~1" -p%%p -od:\qqq >nul
    if errorlevel 2 (  
        echo Password failed.  
    ) else (  
        echo Password succeeded!  
        goto :end  
    )  
)  

color 06
echo. & echo All passwords have been tried, no correct password found.
color

:end 
exit /b
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