Flat (Up to date)

--This program mine a X by X square

function minage(x)
    for i = 1,2*x,1 do
        turtle.dig()
        turtle.forward()
    end
    turtle.turnRight()
    turtle.dig()
    turtle.forward()
    turtle.turnRight()
end

function minage2(x)
    for i = 1,2*x,1 do
        turtle.dig()
        turtle.forward()
    end
    turtle.turnLeft()
    turtle.dig()
    turtle.forward()
    turtle.turnLeft()
end

function LR(x)
    for i = 1,x,1 do
        minage2(x)
        minage(x)
        if turtle.getFuelLevel() <= 2*x then turtle.refuel() end
    end
end

function RL(x)
    for i = 1,x,1 do
        minage(x)
        minage2(x)
        if turtle.getFuelLevel() <= 2*x then turtle.refuel() end
    end
end

function depart()
    print("Don't forget to put fuel in 1st slot for the turtle before running this program")
    io.read()
    print("\nWich way would you like to  dig first ? R / L")
    s = io.read()
    print("\nNumber of lines to dig")
    x = io.read("Range a creuser")
    math.floor(x/2)

    if s == "R" then
        RL(x)
    end

    if s == "L" then
        LR(x)
    else
        depart()
    end
end

depart()