dig

local tArgs = {...}
local l = tArgs[1]
local w = tArgs[2]
local h = tArgs[3]
local o = 0
function mineRow(len)
  for i = 1, len do
    turtle.dig()
    turtle.forward()
  end
end
for i = 1, 3 do
  if tArgs[i] == "0" then
    print("Usage: ")
    print("dig <length> <width> <height>")
  end
end
print("Length: " .. l)
print("Width: " .. w)
print("Height: " .. h)

for i = 1, h do
  for i = 1, w do
    if o == 0 then
      mineRow(l)
      o = 1
    elseif o == 2 then
      turtle.turnRight()
      turtle.forward()
      turtle.turnRight()

      mineRow(l)
      o = 2
    elseif o == 1 then
      turtle.turnLeft()
      turtle.forward()
      turtle.turnLeft()
      mineRow(l)
      o = 1
    end
    if o == 1 then
      turtle.turnLeft()
      for i = 1, w do
        turtle.forward()
      end
      turtle.turnLeft()
      for i = 1, l do
        turtle.forward()
      end
      turtle.turnLeft()
      turtle.turnLeft()
      turtle.up()
    elseif o == 2 then
      turtle.turnRight()
      for i = 1, w do
        turtle.forward()
      end
      turtle.turnRight()
      turtle.up()
    end
  end
end