evtfile,s,a,"*_events.tfits",,,"German accepted events file" revtfile,s,a,"-",,,"Rejected events file (- constructs default: *_difevents.*)" outfile,s,a,"-",,,"Output RDF file (- constructs default: *_bas.fits)" reject,b,h,yes,,,"Include rejected events" irafprefix,s,h,"-",,,"IRAF prefix to use in the ouput file (- for default)" chatter,i,h,10,,,"How much info do you want to see" clobber,b,h,no,,,"Delete outfile if it exists (override with !filename)" mode,s,h,"ql",,,"Mode"