I think this program allows you to view the spell information out of spells.eff and spelldat.eff .The source code is included at the website, Im sure it could be modified to tinker with the spell files..
I had completely forgotton about this thing till someone mentioned it too me today, I thought it fit along in the vein of where this conversation had gone..
Check out eqcaster at
www.eqcaster.com