flipdot Wake On LAN

fd-wol.sh

#!/bin/bash                                                                                                                   
# Pings a list of hosts and send a Wake On LAN request on success

wake_mac='e8:9a:8f:fd:e6:ce'
declare -a ping_hosts=(\
    192.168.3.36 \ # flipdot display
    guest.fd \
    drinks-touch.fd \
    drinks.fd \
    )
ping_count=0

for host in "${ping_hosts[@]}"; do
    ping -qc1 -w3 "$host" &> /dev/null && ((ping_count++))
    if [[ "$ping_count" -gt 0 ]]; then
        wol "$wake_mac"
        exit 0
    fi
done