[Inkscape-user] SVG path, convert to absolute?

Hello,

I need to convert SVG vector images with bezier paths from relative to absolute coordinates. So it uses big "C" instead of little "c"

id="path3" d="M 47,200 C 47,200 27,140 47,120

I can do this using the GUI, but I'd like to do it via the command line. I'm using:

inkscape -l drawing.sgv drawing.svg

but there doesn't seem to be a command line option to specify relative or absolute paths coords? Any ideas how I might do this via the command line?

Thanks Paul