Note: help and version output are generated by a naïve script which tries a few variants of
<command> --help, <command> -h etc. to find the command's help and version info.
Sometimes it gets lucky, sometimes it doesn't; if the output below looks wrong, it probably is.
generate_randfile version (return code: 0)
Generating 0 random numbers with seed 1506353719.
generate_randfile --help (return code: 1)
generate_randfile: invalid option -- '-'
Usage: generate_randfile [-s seed] [-f file] count