Here's an equivalent shell script that only uses bash builtins, so no other software required: #!/bin/bash mac="\\x${1//:/\\x}" wol="\xFF\xFF\xFF\xFF\x

Here's an equivalent shell script that only uses bash builtins, so no other software required: #!/bin/bash mac="\\x${1//:/\\x}" wol="\xFF\xFF\xFF\xFF\xFF\xFF" for i in {1..16}; do wol+="$mac"; done printf "$wol" > "/dev/udp/$2/9"