What scripting language should be used?

<a href="http://www.mozilla.org/rhino/">Javascript</a>
0% (0 votes)
<a href="http://groovy.codehaus.org">Groovy</a>
17% (1 vote)
<a href="http://www.jython.org/">Jython</a>
17% (1 vote)
<a href="http://www.beanshell.org">BeanShell</a>
67% (4 votes)
Bash
0% (0 votes)
Total votes: 6