infil,s,a,"",,,"Please enter PHA filename" shftfil,s,a,"",,,"Please enter ASCII filename" outfil,s,q,"",,,"Please enter output filename" chatter,i,h,9,,,"Please enter chatter flag" clobber,b,h,no,,,"Overwrite output file if it already exists ?" mode,s,h,"ql",,,"Mode"