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wol/wol-pure-bash.sh

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#!/bin/bash
Port="9"
MAC="ffffffffffff"
IP="10.0.0.255"
# Inspired by https://gist.github.com/SteveMarshall/c3d38b220e2a621d68c9b7d4e376a82f
MagicPacket=$(
printf "f%.0s" {1..12}
printf "$MAC%.0s" {1..16}
)
MagicPacket="${MagicPacket//??/\\x&}"
# Doesn't work for all MAC-addresses
echo -e "${MagicPacket}" > "/dev/udp/${IP}/${Port}"