turtle.lua

local size

print("Quarry Size: ")
size = read()

checkEngine()

for i = 1, 4 do

  for i = 1, size do
    turtle.forward()
  end

  turtle.turnRight()
end

turtle.turnLeft()
turtle.forward()


function checkEngine()
  print("Check Engine")
end


function refuel()
  turtle.select(16)
  turtle.refuel(1)
  turtle.select(1)
end