alias beer {
  var %x 99
  while (%x > 0) {
    echo  %x Bottles of beer on the wall, %x bottles of beer
    echo  Take one down and pass it around,
    dec %x
    echo  %x bottles of beer on the wall.
    echo  $chr(160)
  }
  echo No more bottles of beer on the wall.
  echo No more bottles of beer...
}