[CC] Single Tree+Bone Meal chopper

-- Tim_ofzo
-- pastebin get
-- Left  Chest = Logs
-- Right Chest = Saplings

-- Settings:
local minFuelLevel = 200

-- Functions:
function suckSaplings()
  turtle.select(1)
  turtle.turnRight()
  turtle.suck(64)
  turtle.turnLeft()
end

function dropLogs()
  turtle.turnLeft()
  for i=3,15 do
    turtle.dropDown()
  end
  turtle.turnRight()
end

function refuel()
  if turtle.getFuelLevel() < minFuelLevel then
    turtle.turnLeft()
    turtle.select(16)
    turtle.suck(64)
    turtle.turnRight()
    turtle.refuel(63)
  end
end

function place()
 turtle.select(1)
 turtle.place()
end

function grow()
 turtle.select(16)
 turtle.place()
end

function chop()
  turtle.select(2)
  if turtle.compare() == true then
    turtle.dig()
    turtle.up()
  end
end

while true do
 refuel()
 sleep(1)
 suckSaplings()
 sleep(1)
 place()
 sleep(1)
 grow()
 sleep(1)
 chop()
 sleep(1)
end