Output contained in the .geo file:

Column 1: Radial position
Column 2: Safety factor
Column 3: Magnetic shear (rho/q dq/drho)
Column 4: Elongation
Column 5: Radial derivative of elongation
Column 6: Triangularity
Column 7: Radial derivative of triangularity
Column 8: Magnetic field strength in Tesla at magnetic axis
Column 9: ratio of ion Larmor radius to plasma minor radius
Column 10: Shafranov shift
Column 11: sqrt toroidal flux, normalized by toroidal flux at separatrix
Column 12: flux surface average of grad rho
Column 13: flux surface area (normalized by aref)
Column 14: aref in meters

This output file contains various local equilibrium geometry parameters.