subroutine merger(EQUILIBRIUM, TOROIDFIELD, MHD, SAWTEETH, COREPROF, CORETRANSP, CORESOURCE, COREIMPUR, CORENEUTRALS, COREFAST, COREDELTA, COMPOSITIONC, NEOCLASSIC, WAVES, DISTSOURCE, DISTRIBUTION, WALL, NBI, ANTENNAS, IRONMODEL, PFSYSTEMS, FUSIONDIAG, SCENARIO, PELLETS)