Jerry

local block,type = turtle.inspect()
local tree = 0
local upTree = 0
local direct = 0

function detectLeaves()
 if turtle.detect() == true then
  turtle.dig()
 end
end

function chopTree()
 upTree = 0
 block,type = turtle.inspectUp()
 while type.name == "ic2:rubber_wood" do
  turtle.digUp()
  turtle.up()
  block,type = turtle.inspectUp()
  upTree = upTree + 1
 end
 for i = 1,upTree,1 do
  turtle.down()
 end
end

function cutRow()
 tree = 0
 while tree < 6 do
  tree = tree + 1
  if turtle.detect() == true then
   turtle.dig()
   turtle.forward()
   turtle.digDown()
   turtle.select(1)
   turtle.placeDown()
   chopTree()
   if tree == 6 then
	if direct == 0 then
	 detectLeaves()
	 turtle.forward()
	 turtle.turnLeft()
	 detectLeaves()
	 turtle.forward()
	 detectLeaves()
	 turtle.forward()
	 detectLeaves()
	 turtle.forward()
	 turtle.turnLeft()
	 direct = direct + 1
    else
	 detectLeaves()
	 turtle.forward()
	 turtle.turnRight()
	 detectLeaves()
	 turtle.forward()
	 detectLeaves()
	 turtle.forward()
	 detectLeaves()
	 turtle.forward()
	 turtle.turnRight()
     direct = direct - 1
    end
   else
    detectLeaves()
	turtle.forward()
	detectLeaves()
	turtle.forward()
   end
	turtle.select(1)
  else
   if tree == 6 then
	if direct == 0 then
	 detectLeaves()
	 turtle.forward()
	 detectLeaves()
     turtle.forward()
	 detectLeaves()
	 turtle.turnLeft()
	 detectLeaves()
	 turtle.forward()
	 detectLeaves()
	 turtle.forward()
	 detectLeaves()
	 turtle.forward()
	 turtle.turnLeft()
	 direct = direct + 1
	else
	 detectLeaves()
	 turtle.forward()
	 detectLeaves()
     turtle.forward()
	 turtle.turnRight()
	 detectLeaves()
	 turtle.forward()
	 detectLeaves()
	 turtle.forward()
	 detectLeaves()
	 turtle.forward()
	 turtle.turnRight()
     direct = direct - 1
	end
   else
    detectLeaves()
    turtle.forward()
	detectLeaves()
    turtle.forward()
	detectLeaves()
	turtle.forward()
   end
  end
 end
end

function checkFuel()
 if turtle.getFuelLevel() < 2000 then
  turtle.select(16)
  turtle.refuel()
 end
 if turtle.getFuelLevel() < 2000 then
  error("Needs more fuel!")
 end
end

function goToFarm()
 turtle.back()
 turtle.back()
 turtle.turnLeft()
 turtle.forward()
 turtle.forward()
 turtle.turnRight()
 for y = 1,8,1 do
  turtle.up()
 end
 for h = 1,4,1 do
  detectLeaves()
  turtle.forward()
 end
end

function goHome()
 for p = 1,18,1 do
  turtle.forward()
 end
 turtle.turnLeft()
 for r = 1,15,1 do
  turtle.forward()
 end
 turtle.turnRight()
 turtle.forward()
 turtle.forward()
 turtle.forward()
 for t = 1,8,1 do
  turtle.down()
 end
 turtle.turnLeft()
 turtle.forward()
 turtle.forward()
 turtle.turnLeft()
 turtle.forward()
 turtle.forward()
end

checkFuel()
goToFarm()
for o = 1,5,1 do
 cutRow()
end
goHome()