TT0.0.1

function dig1x1()
    turtle.dig()
    turtle.digUp()
    turtle.forward()
end
function reF()
    turtle.select(1)
end
function place(block)
    turtle.select(2)
    if block == "cobble" and turtle.getItemSpace() ~= 63 then
        turtle.place()
end
end
function placeUp(block)
    turtle.select(2)
    if block == "cobble" and turtle.getItemSpace() ~= 63 then
        turtle.placeUp()
end
end
print("Turtle Tunneler V0.0.1")
io.write("How long should the tunnel be? ")
length = io.read()
curLength = 0
while curLength ~= length do
            dig1x1()
end