Setting default application

[Andreas Höschler]

Hello all,

I would like to programmatically set the default application for a 
document with a given extension. my current solution is to have only 
one application that is capable of reading and writing a given document 
type. Now there are multiple applications and I would like the user to 
choose on in my app.

Is there a method for that anywhee in the GNUstep code. I am close to 
working through the make_services code and find a hack, but I am almost 
sure a corresponding method already exists.

Thanks in advance,

  Andreas