mongo backup with 7zip to compress

mongoback7z.bat

@echo off

for /f "tokens=1-4 delims=/ " %%i in ("%date%") do (
     set dow=%%i
     set month=%%j
     set day=%%k
     set year=%%l
   )
   set datestr=%month%_%day%_%year%
   echo datestr is %datestr%

C:\mongodb\bin\mongodump --out C:\MongoDBBackup\%datestr%

echo Compress with 7zip
"C:\program files\7-zip\7z.exe" a -mx9 -t7z C:\MongoDBBackup\%datestr%.7z C:\MongoDBBackup\%datestr%

echo cleanup
rd /S /Q C:\MongoDBBackup\%datestr% 

echo Mongo DB Backup Complete.