#!/bin/sh
# sshup HOST - wait until HOST is reachable via SSH

# inspired by http://utcc.utoronto.ca/~cks/space/blog/sysadmin/LittleScriptsVII

while ! nc -zw 1 "$1" 22; do
	printf . 2>&1
	sleep 5
done
printf '%s UP\007\n' "$1"