| | \n\n \n \n \n string dprefix= | \tprintf like statement that can be evaluated to find the data files corresponding to shot records \n | \n \n\n \n \n \n file encode= | \tauxiliary input file name \n | \n \n\n \n \n \n string eprefix= | \tprintf like statement that can be evaluated for the output encodings \n | \n \n\n \n \n \n bool verb=n [y/n] | \t \n | \n \n |