input,s,a,"",,,Input list of spectra 
output,s,a,"",,,Output file name
bands,s,a,"",,,Bandpass file
apertures,s,h,"",,,Apertures
normalize,b,h,yes,,,Normalize the bandpass response?
mag,b,h,no,,,Output results in magnitudes?
magzero,r,h,0.,,,Magnitude zero point
verbose,b,h,yes,,,Verbose header?