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set source= source path
set destination= dest path
for /f "tokens=2 delims==" %%G in ('wmic os get localdatetime /value') do set datetime=%%G
set year=%datetime:~0,4%
set month=%datetime:~4,2%
set day=%datetime:~6,2%
set folder = "Books"
xcopy /s /i %source% %destination%_%year%-%month%-%day% /E /y

pause