ciphergoth

#!/usr/bin/env python3
# Selby Shuffle

# The mathematician Alex Selby showed me this wonderful way to iterate over all
# permutations of an array in SJT order. It is so much cleaner and more concise
# than any other way of doing this I've seen online - while being perfectly
# efficient - that I had to share it.

# https://en.wikipedia.org/wiki/Steinhaus%E2%80%93Johnson%E2%80%93Trotter_algorithm
# Alex: https://gist.github.com/alex1770/eeef97869441912d6ca1b80b082a7297#file-gent-cpp-L31

ryao

#!/bin/sh

HOSTNAME=
BIND=
SHELL=bash

while getopts "b:h:s:" opt; do
	case $opt in
	b)
		BIND="${BIND} ${OPTARG}"