Embedding groovy with groovyShell

//see: http://groovy.codehaus.org/Embedding+Groovy

Binding binding = new Binding();
binding.setVariable("foo", 2);
GroovyShell shell = new GroovyShell(binding);

Object value = shell.evaluate("println 'Hello World!'; x = 123; return foo * 10");
assert value.equals(20);
assert binding.getVariable("x").equals(123);