dos batch script for backup

@echo off
set backupdir=X:\i8\Stages\BU\
set sourcedir=c:\temp
REM Create the date and time elements.
for /f "tokens=1-7 delims=:/-, " %%i in ('echo exit^|cmd /q /k"prompt $d $t"') do (
   for /f "tokens=2-4 delims=/-,() skip=1" %%a in ('echo.^|date') do (
      set dow=%%i
      set %%a=%%j
      set %%b=%%k
      set %%c=%%l
      set hh=00%%m
      set hh=%hh:~-2%
      set min=%%n
      set ss=%%o
      set datetime=%yy%%mm%%dd%_%hh%%min%
   )
)

echo %datetime%
@echo on

REM Make Backup dir
if not exist %backupdir%%datetime% mkdir %backupdir%%datetime%

REM Copy file to backup including sub dirs
xcopy %sourcedir% %backupdir%%datetime%\  /S /Y



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