External-proguard is a project mainly written in JAVA and SHELL, it's free.
This distribution contains the following directories:
The best place to start is docs/index.html
If you want to give ProGuard a spin right away, try processing the ProGuard jar itself:
cd examples
java -jar ../lib/proguard.jar @proguard.pro
The resulting proguard_out.jar contains the same application, but it's a lot smaller.
Enjoy!
http://proguard.sourceforge.net/
Copyright (c) 2002-2009 Eric Lafortune ([email protected])