There isn't currently, but perhaps you could contribute one :).  If you take a look at the sh script in the bin directory of the word count example, it shouldn't be terribly difficult to mimic the behavior.  It's mostly just setting up the classpath and executing the Java class with some arguments.
On Dec 1, 2010, at 8:26 PM, Bingbing Liu wrote:

i don't know how to set the command line
is there a word_count.bat ? like the word_count in the bin on linux?

Bingbing Liu