3D curve to (x,y,z) data

Hi,

I need to export a 3D curve as data files. I've managed to transform
the curve into a spline i several sections, but I just cannot find any
way of retrieving the (x,y,z) coordinates of the individual points. Of
course I could just the measure tool, but there are quite many
points:-/

Any help is greately appreciated.

Cheers,
Georg