#!/bin/bash

size="$1"

# These two program suse the same algorithm, but fast-pseudorandom
# is in C and is much faster than lcgrng, which is in Python.
if type -path fast-pseudorandom > /dev/null 2>&1
then
    fast-pseudorandom --bytes "$size"
else
    echo "$0: Warning: using lcgrng, which is slow. Consider building and install fast-pseudorandom" 1>&2
    ./lcgrng --bytes "$size"
fi