ComputerCraft Turtle Digger

print("Version 1.1")
print("Skok dlinna?")
length = read()
print("Fakel kajdie skolko shagov stavit?")
read_steps = read()
steps = tonumber(read_steps)
steps_saved = tonumber(read_steps)
print("OK. Dlinna ustanovlena: ", length)

function digIt()
turtle.dig()
turtle.digDown()
turtle.digUp()
turtle.turnRight()
turtle.dig()
turtle.up()
turtle.dig()
turtle.down()
turtle.down()
turtle.dig()
turtle.up()
turtle.turnLeft()
turtle.turnLeft()
turtle.dig()
turtle.up()
turtle.dig()
turtle.down()
turtle.down()
turtle.dig()
turtle.up()
turtle.turnRight()
if steps < 1 then
turtle.select(1)
turtle.placeDown()
turtle.forward()
steps = steps_saved
end
turtle.forward()
end

while tonumber(length) > 0 do
turtle.turnLeft()
turtle.turnLeft()

for i = 16,1,-1
do
print("Slot selected: ", i)
turtle.select(i)
item = turtle.getItemDetail(i)

if (item) then
print(item.name)

if (item.name == "minecraft:cobblestone") then
  turtle.drop(item.count)
  print("Dropping cobblestone from slot: ", i)
  print("Dropped amount: ", item.count)

else
print("No stone in the slot: ", i)
end

if (item.name == "minecraft:dirt") then
  turtle.drop(item.count)
  print("Dropping dirt from slot: ", i)
  print("Dropped amount: ", item.count)

else
print("No dirt in the slot: ", i)
end

end

end


turtle.turnRight()
turtle.turnRight()

--Turtle digs
digIt()

 --Turtle sets the fire


--Turtle moving
length = length - 1
steps = steps - 1
print(steps)


end