Expdp Backup script with retention for Windows

Oracle Version:- 11g

Make sure all the directories mentioned in the script is present.Just copy the following lines mentioned below and save it as .bat file. Schedule it on task scheduler
as per your requirement.Also make sure you have 7zip installed on your machine for the zip purpose.

@ECHO OFF
For /f "tokens=2-4 delims=/ " %%a in ('date /t') do (set mydate=%%c-%%b-%%a)
For /f "tokens=1-2 delims=/:" %%a in ("%TIME%") do (set mytime=%%a%%b)
set mytime=%mytime: =0%

set ORACLE_SID=orcl
set ORACLE_HOME=C:\app\Oracle11G\product\11.2.0\dbhome_1
set ORACLE_BASE=C:\app\Oracle11G\
set PATH=%ORACLE_HOME%\bin
set BACKUPPATH=C:\app\Oracle11G\Datapump
forfiles /p "C:\app\Oracle11G\Datapump" /m * /d -7 /c "cmd /c rd /s /q @path"
cd %BACKUPPATH%
mkdir "C:\app\Oracle11G\Datapump\%mydate%_%mytime%"


%ORACLE_HOME%\BIN\expdp system/system directory=BACKUP Full=Y dumpfile=backup_%mydate%_%mytime%.dmp logfile=log_%mydate%_%mytime%.log exclude=statistics
cd %BACKUPPATH%
"C:\Program Files\7-Zip\7z.exe" a -mx9 C:\app\Oracle11G\Datapump\Backup_%mydate%_%mytime%.7z C:\app\Oracle11G\Datapump\backup_%mydate%_%mytime%.dmp
move C:\app\Oracle11G\Datapump\Backup_%mydate%_%mytime%.7z C:\app\Oracle11G\Datapump\%mydate%_%mytime%\
move C:\app\Oracle11G\Datapump\log_%mydate%_%mytime%.log C:\app\Oracle11G\Datapump\%mydate%_%mytime%\
del backup_%mydate%_%mytime%.dmp