wake.sh

#!/usr/bin/env bash

if [ ! "root" -eq "$(whoami)" ]; then
  echo "Unable to keep display awake when not running as 'root'."
  echo "Try \`sudo !!\` to run this command again as root."
  exit 1
fi

echo "[*] Keeping display awake..."

while true; do
  pmset schedule wake "$(date -v+1M "+%D %T")"
  sleep 60
done

echo "[*] Goodnight."