print("Combien d'obsidienne ?")

local nombreDemande = tonumber(read())
local nombreMine = 0
term.clear()
term.setCursorPos(1,1)
print("Commande : "..nombreDemande)

while nombreMine <= nombreDemande do

    if turtle.getFuelLevel() < 10 then
        turtle.select(1)
        turtle.refuel(1)
    end

    turtle.select(2)        -- Placing redstone
    turtle.forward()
    turtle.forward()
    turtle.place()
    turtle.back()
    turtle.place()
    turtle.back()
    turtle.place()

    rs.setOutput("left", true)      -- Desactivate piston
    sleep(8)
    rs.setOutput("left", false)
    sleep(2)

    if turtle.getFuelLevel() < 10 then
        turtle.select(1)
        turtle.refuel(1)
    end

    turtle.dig()        -- Mine the obsidian
    nombreMine = nombreMine + 1
    turtle.forward()
    turtle.dig()
    nombreMine = nombreMine + 1
    turtle.forward()
    turtle.dig()
    nombreMine = nombreMine + 1

    turtle.back()       -- Return on the default place
    turtle.back()

    turtle.select(3)
    turtle.turnRight()
    turtle.drop()
    turtle.turnLeft()
end
print("Voici vos obsidiennes")