strip.lua

function Forward()
 if not turtle.forward() then
  turtle.dig()
  turtle.attack()
  Forward()
 end
end
print("How much blocks you want to mine")
local l = read()
for i=1,l do
 if turtle.getFuelLevel() < 10 then
  print("ran out of FUEL")
  break
 end
 Forward()
 turtle.digUp()
end
print("---------DONE-------")
print("FUEL:".. turtle.getFuelLevel())