set ORACLE_HOME=C:\app\Administrator\product\11.2.0\dbhome_1
rem set ORACLE_HOME=C:\oracle\product\10.2.0\db_1
rem set ORACLE_HOME=C:\oracle\product\10.2.0\client_1
set PATH=%ORACLE_HOME%\bin;%PATH%

for /F "tokens=2-4 delims=/ " %%i in ('date /t') do  set currentdate=%%k-%%i-%%j
for /F "tokens=1-3 delims=: " %%i in ('time /t') do set currenttime=%%i-%%j-%%k

rem SET NLS_LANG=AMERICAN_AMERICA.TH8TISASCII
rem SET SET NLS_LANG=THAI_THAILAND.TH8TISASCII
SET USER=%1
SET PWD=%2
SET DBSERVER=%3
SET DBPORT=%4
SET DBSID=%5
SET FILE=%USER%_%DBSERVER%_%DBPORT%_%DBSID%_%currentdate%_%currenttime%.dmp
SET FILE_=%USER%_%DBSERVER%_%DBPORT%_%DBSID%.dmp
SET EXP_VERSION=10.0.0

expdp %USER%/%PWD%@%DBSERVER%:%DBPORT%/%DBSID% schemas=%USER% directory=datapump dumpfile=%FILE%