Factorio server installer/updater

update_factorio.sh

#navigate into the directory where you installed the game and run it with your game' folder name as first argument, e.g. "factorio":
#bash update_factorio.sh factorio

#cd /opt
if [[ $1 ]]
then
  wget https://factorio.com/get-download/stable/headless/linux64 -O update.tar.$
  mkdir -p $1
  echo "Extracting, please wait..."
  tar -xf update.tar.xz factorio -C $1
  rm update.tar.xz
  echo "Done."
else
  echo "no installation path given (first argument)!"
  exit
fi