On Mon, Oct 11, 2010 at 12:47 AM, Stuart Glaser wrote: > Hi Patrick, > > In order to keep xacro simple it does not support any looping mechanisms. > > Since URDF files are just XML, you can generate them any number of > ways.  Just generating the desired XML from any scripting language > (Python, Ruby, etc...) would be the simplest way.  Generating the XML > using XSLT is also possible, though not necessarily recommended. > ok, thanks. --wpd