printf("\t-f , --frame frames\t\t frame numbers to extract\n");
printf("\t-w , --hollow\t\t\t hollow mode: don't remove empty frames (use with -f)\n");
printf("\t-V , --version\t\t\t Print program version and exit\n");
printf("\t-f , --frame frames\t\t frame numbers to extract\n");
printf("\t-w , --hollow\t\t\t hollow mode: don't remove empty frames (use with -f)\n");
printf("\t-V , --version\t\t\t Print program version and exit\n");