set year=%date:~6,4%
set day=%date:~3,2%
if "%day:~0,1%" == " " set day=0%day:~1,1%
set month=%date:~0,2%
if "%month:~0,1%" == " " set month=0%month:~1,1%
set datetimef=%year%_%month%_%day%
echo datetimef=%datetimef%

xcopy "C:\Users\xxxxx\Documents\Unity\PornulusRift" "\\xxxxx\Download\Unity\Projects\PornulusRift_%datetimef%" /E /I /Y
xcopy "C:\Users\xxxxx\Documents\Unity\PornulusRift\Assets\Scenes" "\\xxxxx\Download\Unity\Scenes\Scenes_%datetimef%" /E /I /Y
forfiles -p "\\xxxxx\Download\Unity\Projects\" -s -m *.* /D -7 /C "cmd /c del @path"