@ECHO OFF
FOR /F "TOKENS=1-4 DELIMS=/- " %%a IN ("%date%") DO SET yy=%%a& SET mm=%%b& SET dd=%%c
FOR /F "TOKENS=1-3 DELIMS=:.," %%a IN ("%time%") DO SET hh=%%a&SET tt=%%b&SET ss=%%c
MD "%yy%-%mm%-%dd% %hh%_%tt%_%ss%"

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