Hi,
I just checked that in March 2013 we discussed "python foreign
problems", in particular the gretl_export function (in gretl_io.py).
Back then we ditched Numpy's savetxt function for certain reasons. One
minor remark is that the user guide in ch. 43 still talks about savetxt,
but that's not important.
Instead I'd suggest to go back to numpy's savetxt, because it offers
gzip compression "for free", whenever a 'gz' extension is given.
Does that sound like a good idea? I could send a concrete proposal for
gretl_export -- but not for the imminent release.
cheers,
sven