@IF "%1" == "/?" GOTO HELP
@IF "%1" == "/clean" GOTO CLEAN

@SET SOURCE=TestCreate
@SET JUNIT=junit-4.0.jar
@SET DRIVER=selenium-java-client-driver.jar
@SET RUNNER=org.junit.runner.JUnitCore

@FOR %%i IN (%SOURCE%) DO @IF EXIST %%i.class ( @ECHO %%i.class found. ) ELSE ( @echo Compiling %%i.java ... && @javac -cp .;%CD%\selenium-java-client-driver.jar;%CD%\junit-4.0.jar %%i.java || @IF errorlevel 1 GOTO COMPILE_ERR)

@ECHO Connecting to Selenium core server to test TestCreate
@java -cp .;%CD%\%JUNIT%;%CD%\%DRIVER% %RUNNER% TestCreate
@GOTO END


:COMPILE_ERR
@ECHO Error encounted during compiling.
@GOTO END

:MEM
@rem @FOR %%i IN (%SOURCE%) DO @IF EXIST %%i.java (        @echo %%i    ) ELSE (        @echo %%i missing.    )
@ECHO Compiling TestCreate.java
@javac -cp .;e:\code\java\selenium-java-client-driver.jar;e:\code\java\junit-4.0.jar TestCreate.java
@rem @FOR %%i IN (%SOURCE%) DO @echo Compiling %%i.java ... && @javac -cp .;%CD%\selenium-java-client-driver.jar;%CD%\junit-4.0.jar %%i.java || @IF errorlevel 1 GOTO COMPILE_ERR
@GOTO END

:HELP
@ECHO Options:
@ECHO Use /clean to clean *.class
@GOTO END

:CLEAN
@DEL /F /Q *.class
@GOTO END

:END

Simply specify your test class name in SOURCE variable.

Batch file to compile and run Selenium RC test scripts (JUnit based)

DOS Batch