Running external applications

Hi all!

I want to run an external application (external to the JVM) as part of
my own AnAction implementation. (I'm not modifying anything in the VFS -
I just need to capture the output of the command)

Is it safe to just user Runtime.exec(), or should I use the
CommandProcessor for that? If not, what is the CommandProcessor actually
for? - the documentation is somewhat scarce ;)

Thanks!
Edwin