Different subject: does anyone know a - free or cheap - tool that can extract joint parameters from a cr2 and copy them to another cr2?

I'm starting to think I need to write my own cr2 editor on top of everything else. The ones I have either don't do everything I need or are so cryptic that I don't know what the heck they do. Since Poser insists on inserting random bullshit into cr2s on saving, I basically need a tool that compares two files structurally and lets me decide interactively which bits to copy over, so I can edit things in Poser and transfer my edits to a cr2 that I know is "clean".

I think it's time I buy the D|S tools and see whether they are more reliable than Poser. Like Poser, they have their own ideas of what should and should not go into the file, but maybe they're at least consistent.

-- I'm not mad at you, just Westphalian.