Writing an xmgr/grace file as text (not interactive)

[Niels L Ellegaard]

Can someone suggest a package that allows me to write a data file for
xmgr.

So far I have found some packages that allow me to start an
interactive xmgrace session from python, but I would rather have a
package that write a text file.

I realize that xmgr can read text-files, and that the format of an
xmgr-file is easy to read, but if someone has allready done this work
then I would rather steal it and save my own time

Thanks in advance

Niels