It is an OP shiplist. The racenames used in column one are hardcoded in the game. But you can put other races ships and tech in them. It goes deeper than this. (PF, fighter donation) - race slots are described in the installer text. Also on the fileplanet page and in the original posts here.
What exactly does it do? Um where's the nsis installer script code here... I'm sure I've posted it here before.
Ah, I can't be bothered digging for it. I'm going to rebuild EAW. SFB-OP is just not on my mind right now. It extracts a bunch o models to the models foder that are referenced by tis shiplist and fighterlist it backs up your existitins shiplsits from all client locations, puts the moddes shiplists in... does some other stuff it check folders, mkkes registry entries, add uninstll shortcuts... typical installer stuff.
Adapting it to EAW would be an effort.