#!/bin/bash -x
winf="eth1"


essid[1]="here"; keys[1]="aabbccddee"
essid[0]="AGOLW"; keys[0]="off"
essid[2]="default"; keys[2]="off"
essid[3]="any"; keys[3]="off"

let "maxnet = ${#essid[*]}-1"

done=0;
for li in $(seq  0 $maxnet) 
do
echo doing net $li
if  ping -c 1 www.foo.bar || ping -c 1 192.168.1.2 || ping yourserver.example.com
# REPLACE these addresses with something meaningful
then
    echo $li : It WORKED  worked; >> /var/log/cyclenet
    break
else
    echo $li : trying ${essid[$li]} >> /var/log/cyclenet
    killall dhclient3
    echo doing net no $li
    iwconfig $winf essid ${essid[$li]}
    sleep 3
    iwconfig $winf key ${keys[$li]}
    dhclient3 $winf
fi
done