source: nikanabo/current/wbackup.bat @ 185

echo off
cd dat\original
IF NOT EXIST ..\..\..\GameDataFolder (
    echo Can't find GameDataFolder!
    echo Make sure this is Oni\nikanabo
) ELSE (
    echo GameDataFolder detected!
    IF EXIST backupok.txt (
        echo Game content already backed up.
    ) ELSE (
        echo Backing up game content...
        copy ..\..\..\GameDataFolder\*.dat .
        copy ..\..\..\GameDataFolder\*.raw .
        copy ..\..\..\GameDataFolder\*.sep .
        echo Game content backup complete.
        move nobackup.txt backupok.txt
    )
)
cd ..\..
cd bsl\mybackup
IF NOT EXIST ..\..\..\GameDataFolder\IGMD (
    echo Can't find IGMD folder!
    echo Make sure this is Oni\nikanabo
) ELSE (
    echo IGMD folder detected!
    IF EXIST backupok.txt (
        echo Level logic already backed up.
    ) ELSE (
        echo Backing up level logic...
        xcopy ..\..\..\GameDataFolder\IGMD IGMD /s /k /i
        echo Level logic backup complete.
        move nobackup.txt backupok.txt
    )
)
cd ..\..
PAUSE