Jon Egil Strand wrote: ... > > Some degrees of freedom exist as the customer is quite skilled and willing > to make _some_ modifications. calculate.exe is written in c#. > > If anyone has any ideas, I would be very glad for all suggestions. > Add an XML-RPC (or SOAP, though probably overkill) API to the C# app and have it run as a service? James Britt -- http://www.ruby-doc.org - Ruby Help & Documentation http://www.artima.com/rubycs/ - The Journal By & For Rubyists http://www.rubystuff.com - The Ruby Store for Ruby Stuff http://www.jamesbritt.com - Playing with Better Toys http://www.30secondrule.com - Building Better Tools