}
}
+ if (mode == 0) {
+ fprintf(stderr, "one of '-l', '-e', or '-s' must be supplied.\n");
+ usage(prog, stderr);
+ }
+
if (optind + 2 + (length == LONG_MAX) != argc) {
fprintf(stderr, "missing filenamebase, total_files, or iterations\n");
usage(prog, stderr);