ode>. You can use that to run a program if it exists, but
otherwise do nothing.
<p>
What do those error codes mean? Well, they are OS dependent. On Windows
boxes you have to look at
<a href="http://msdn.microsoft.com/library/default.asp?url=/library/en-us/debug/base/system_error_codes__0-499_.asp">
the documentation</a>; error code 2 means 'no such program', which usually means
it is not on the path. Any time you see such an error from any Ant task, it is
usually not an Ant bug, but some configuration probl