Cura command line for multi-material slicing (no replies)

This forum has no folder for Cura, and there is no general section within the software folder, so since Cura is (or was) descended from skeinforge, I will ask my question here.

I am looking at Cura right now only because Slic3r has some limitations in the way it handles multi-material objects. Specifically, with 0.9b, at least on Ubuntu, I am unable to use the [previous_extruder] and [next_extruder] placeholders in my custom g code. These strings are simply literally copied to the output. And I can't use 1.0RC1 in this environment because the package for Linux is missing the XML::SAX library and I am thus unable to parse ANY multi-material file.

So anyway, I'm looking at Cura. I can use it interactively, but I'd prefer to hook into it from my host software, and that implies using the command line interface. I searched all over ultimaker's site, and I find no documentation about the use of the command line. I actually had to look at the python code to figure out what the options are. It looks to me like I can specify an ini file to load and one or more stl files to slice, but I see no way to combine two separate stl files into a two color print. I've done it inside the program GUI, but I see no command line equivalent.

Am I missing something here?

Thanks