infile,s,a,"",,,"Name of the input FITS file and extension" outfile,s,a,"",,,"Name of the output FITS file" cols,s,a,"-",,,"List of columns" rows,s,a,"-",,,"List of rows" operation,s,a,"sum",,,"Operation to perform on the rows (sum,avg)" nullval,i,h,-99,,,"Value in output file to represent integer NULLs" clobber,b,h,no,,,"Overwrite existing output file?" sametype,b,h,no,,,"Convert output back to input type after operation?" mode,s,h,"ql",,,""