images,s,a,"alpha_lyr_004.fits",,,"image names"
imlist,s,h,"*.imh,*.fits,*.pl,*.qp,*.hhh",,,"default image names"
longheader,b,h,yes,,,"print header in multi-line format"
userfields,b,h,yes,,,"print the user fields (instrument parameters)"
mode,s,h,"ql",,,