compareDirFullText.bat

@ECHO OFF
SetLocal EnableDelayedExpansion
SET dir1=%1
SET dir2=%2
ECHO. 2>dir1.txt
ECHO. 2>dir2.txt
FOR /f "tokens=*" %%F IN ('DIR /s /b /o:n %dir1%') DO ( 
    SET tmp=%%F
    ECHO !tmp:%dir1%\=! >> dir1.txt
)
FOR /f "tokens=*" %%F IN ('DIR /s /b /o:n %dir2%') DO ( 
    SET tmp=%%F
    ECHO !tmp:%dir2%\=! >> dir2.txt
)
EndLocal