View difference between Paste ID: YSfqfygc and mHU0Uhb6

 --pastebin:YSfqfygc
 
 local wood, sapling = 1, 2
 local treeHeight = 0
 local treeCount = 0
 local plantCount = 6
-	while turtle.getFuelLevel() < 200 do
+local rowCount = 1
-		turtle.select(wood) --charcol in this slot
+local pauseLength = 60
-		turtle.refuel(1)
+
-		print("Refueled")
+
-	end
+    while turtle.getFuelLevel() < 200 do
-	print( "Fuel Level: ", turtle.getFuelLevel() )
+        turtle.select(wood) --charcol in this slot
         turtle.refuel(1)
         print("Refueled")
     end
-	while not turtle.forward() do
+    print( "Fuel Level: ", turtle.getFuelLevel() )
-		-- turtle blocked from moving forward
+
-		print( "Turtle blocked from moving forward" )
+
-		sleep(3) -- wait 3 seconds to let mob move away
+
-	end
+    while not turtle.forward() do
         -- turtle blocked from moving forward
         print( "Turtle blocked from moving forward" )
         sleep(3) -- wait 3 seconds to let mob move away
-	for i = 1, 4 do
+    end
-		turtle.turnLeft()
+
-		turtle.suck()
+
-	end
+
-	turtle.suckUp() -- in case a sapling fell on turtle's head:D
+    for i = 1, 4 do
         turtle.turnLeft()
         turtle.suck()
     end
     turtle.suckUp() -- in case a sapling fell on turtle's head:D
 end
-	tRefuel()
+
-	print( "Tree Count: ", treeCount )
+local function harvestTree()
-	-- check all trees for any that have grown
+    treeCount = treeCount + 1
-	for i = 1, plantCount do
+    while turtle.compare() do
-		turtle.turnRight()
+        turtle.dig()
-		turtle.select(wood)
+        if turtle.detectUp() then
-		-- if the tree has grown
+            turtle.digUp()
-		if turtle.compare() then
+        end
-			-- harvest the tree
+        turtle.up()
-			treeCount = treeCount + 1
+        treeHeight = treeHeight + 1
-			while turtle.compare() do
+    end
-				turtle.dig()
+    -- return to the ground
-				if turtle.detectUp() then
+    -- if blocked, dig
-					turtle.digUp()
+    while treeHeight > 0 do
-				end
+        if turtle.down() then
-				turtle.up()
+            treeHeight = treeHeight - 1
-				treeHeight = treeHeight + 1
+        else
-			end
+            turtle.digDown()
-			-- return to the ground
+        end
-			-- if blocked, dig
+    end
-			while treeHeight > 0 do
+
-				if turtle.down() then
+
-					treeHeight = treeHeight - 1
+
-				else
+local function moveNextTree()
-					turtle.digDown()
+    for i=1,4 do
-				end
+        tVacume()
-			end
+        tF()
-			-- plant a new sapling
+    end
-			turtle.select(sapling)
+
-			turtle.place()
+
-		else
+function harvestRow()
-			turtle.select(sapling)
+    tF()
-			if not turtle.compare() then
+    -- check all trees for any that have grown
-				turtle.place()
+    for i = 1, plantCount do
-			end
+        turtle.turnRight()
-		end
+        turtle.select(wood)
-		-- move to next tree location
+        -- if the tree has grown
-		turtle.turnLeft()
+        if turtle.compare() then
-		tVacume()
+            -- harvest the tree
-		tF()
+            harvestTree()
-		tVacume()
+
-		tF()
+            -- plant a new sapling
-		tVacume()
+            turtle.select(sapling)
-		tF()
+            turtle.place()
-		tVacume()
+        else
-		tF()
+            turtle.select(sapling)
-		tVacume()
+            if not turtle.compare() then
-	end
+                turtle.place()
-	-- round the corner
+            end
-	tF()
+        end
-	-- dump excess items into chest if a chest is present
+        -- move to next tree location
-	if turtle.detect() then
+        turtle.turnLeft()
-		for i = 3, 16 do
+
-			turtle.select(i)
+        if i < plantCount then
-			turtle.drop()
+            moveNextTree()
-		end
+        end
-		print( "Dropped off Excess Items")
+    end
-	end
+    -- round the corner
-	turtle.turnRight()
+    tF()
-	tF()
+    turtle.turnRight()
-	tF()
+    tF()
-	turtle.turnRight()
+    tF()
-	tF()
+    turtle.turnRight()
-	sleep(60) -- wait for trees to grow and saplings to fall
+    tRefuel()
 end
 
 local function returnRow()
     tF()
     for i = 1, plantCount-1 do
         moveNextTree()
     end
     tF()
     turtle.turnRight()
     tF()
     tF()
     turtle.turnRight()
 end
 
 
 local function dumpExcess()
     turtle.turnRight()
     turtle.turnRight()
     -- dump excess items into chest if a chest is present
     if turtle.detect() then
         for i = 3, 16 do
             turtle.select(i)
             turtle.drop()
         end
         print( "Dropped off Excess Items")
     end
     turtle.turnRight()
     turtle.turnRight()
 end
 
 local function moveNextRow()
     turtle.turnRight()
     for i=1,4 do
         tF()
     end
     turtle.turnLeft()
 end
 
 local function returnToStart()
     turtle.turnLeft()
     for row = 1,rowCount-1 do
         for i=1,4  do
             tF()
         end
     end
     turtle.turnRight()
 end
 
 
 -- main loop
 print( "Tree Area (plants x rows): ", plantCount, " x ", rowCount )
 while true do
     tRefuel()
     for row = 1,rowCount do
         harvestRow()
         returnRow()
         if (row < rowCount) then
             moveNextRow()
         end
     end
     returnToStart()
     print( "Tree Count: ", treeCount )
     dumpExcess()
     sleep(pauseLength) -- wait for trees to grow and saplings to fall
 end