Yes u can create the batch file with following code


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@ECHO OFF
FOR /F "TOKENS=2-5 DELIMS=/ " %%F IN ('DATE /T') DO (
SET MM=%%F
SET DD=%%G
SET YYYY=%%H
)
SET CURDATE=%MM%%DD%%YYYY%
d:\oracle\ora817\bin\exp user/pwd@service file=d:\backup\dumps\exp_data_%CURDATE%.dmp log=d:\backup\dumps\exp_data_%CURDATE%.log
exit

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