Using Ant properties:

   ant -Dsome.prop=value

And in your build.xml, use ${some.prop} to get the value, for example:

<echo message="some.prop = ${some.prop}"/>

 Related Tips

• I have written a module. Can I sell it?
• 2D texture font - NeHe Tutorial JOGL Port
• 3D Human Animation Applet
• 3D lens flare with occlusion testing - NeHe Tutorial JOGL Port
• 3D shapes - NeHe Tutorial JOGL Port
• A model with a light which is moved by a modeling transformation
• A Morph object to animate a shape between two key shapes
• A red sphere using the Sphere utility class