mine.lua

function Dig()
    turtle.dig()
    TryForward()
    turtle.digUp()
end
function TryForward()
    if turtle.getFuelLevel()==0 then
        turtle.refuel()
    end
    turtle.forward()
end
function ComeBack(int)
    turtle.turnLeft()
    turtle.turnLeft()
    local y = 0
    while y<int do
        TryForward()
        y = y + 1
    end
end
print('BIP, BOP, BIP')
print('Init of language module...')
print('Hello master !')
print("How much line I've to dig today ?")
local number=tonumber(read())
local x = 0
while x<number do
    Dig()
    x=x+1
end
ComeBack(number)