GAMS can import and export model instance formated as a MPS-File:
dict) that allows you to map the trivial names to your name space.
writemps mpsfile) or COINCBC options (
mps2gmscreates an almost generic gms file and a gdx file with the matrix data.
mps2gmsis part of any current GAMS distribution, please enter
mps2gmsat a command line prompt to get more information about it.