This week's book giveaway is in the OO, Patterns, UML and Refactoring forum. We're giving away four copies of Refactoring for Software Design Smells: Managing Technical Debt and have Girish Suryanarayana, Ganesh Samarthyam & Tushar Sharma on-line! See this thread for details.
You can look at shell scripts that are provided with various Java apps (Ant, Maven, JMeter, etc) as examples, though they tend to be rather involved. The JBoss in Action source code comes with several basic scripts used to run the examples (search for *.sh).