View difference between Paste ID: xX2A96J4 and 33FwqtwA

 --Sap farming turtle.
 
 local rows = 1
 local compass = 0
 local x = 0
 local y = 0
 local z = 0
 
 function spin()
   print "spinning"
   turtle.turnRight()
   turtle.turnRight()
   compass = (compass + 2) % 4
 end
 
 function forward()
   print "going forward"
   if not turtle.forward() then
     return false
   end
   if compass == 0 then
     x = x + 1
   elseif compass == 1 then
     y = y + 1
   elseif compass == 2 then
     x = x - 1
   elseif compass == 3 then
     y = y - 1
   else
     print "what are you doing!?! Not a valid compass value."
   end
   return true
 end
 
 function up()
   print "going up"
   if turtle.up() then
     z = z + 1
     return true
   else
     return false
   end
 end
 
 function down()
   "print going down"
   if turtle.down() then
     z = z - 1
     return true
   else
     return false
   end
 end
 
 function turnRight()
   print "turning right"
   if turtle.turnRight() then
     compass = (compass + 1) % 4
     return true
   else
     return false
   end
 end
 
 function turnLeft()
   print "turning left"
   if turtle.turnLeft() then
     compass = math.abs((compass - 1) % 4)
     return true
   else
     return false
   end
 end
 
 function emptyInv() -- may as well empty our inventory while we're here.
 
 
 end
 
 function recharge() --Find and use turtle recharging station.
 
 
 end
 
 function returnToBase()
   --This code will go up to a respectable Z, then go to 0 x and 0 y, then drop down to 0 z. This is the starting point, and should be where we keep the recharging station and ender chest.
   for i = 0, 20 do
     up()
   end
   repeat
     turnRight()
   until compass == 2
   while x ~= 0 do
     forward()
   end
   repeat
     turnRight()
   until compass == 3
   while y ~= 0 do
     forward()
   end
   repeat
     turnRight()
   until compass == 0
   while z ~= 0 do
     down()
   end
   emptyInv()
   recharge()
 end
 
 function rotateCounterClockwise()
   print "rotating counter clockwise"
   turnRight()
   forward()
   turnLeft()
   forward()
   turnLeft()
 end
 function rotateClockwise()
   print "rotating clockwise"
   turnLeft()
   forward()
   turnRight()
   forward()
   turnRight()
 end
-  until tutle.detect() == false
+
 function harvestFrontBack()
   repeat
     turtle.dig()
     if not up() then
       turtle.digUp()
       up()
     end
   until not turtle.detect()
   forward()
   forward()
   spin()
   while z do
     if not down() then
       print "breaking to go down"
       turtle.digDown()
       down()
     end
     turtle.dig()
   end
 end
 
 function harvestTree() --Starting with turtle facinga a tree, it gets all the resin from each side of the tree and returns to its start position.
   print "Starting"
   harvestFrontBack()
   rotateCounterClockwise()
   harvestFrontBack()
   rotateClockwise()
 end
 
 function turn(dir)
   if dir % 2 == 1 then
     turnLeft()
   elseif dir % 2 == 0 then
     turnRight()
   end
 end
-  forwardTwo()
+
 function nextRow(rows)
   if rows % 2 then
     local dir = 2
     turn(dir)
   else
     local dir = 3
     turn(dir)
   end
   forward()
   forward()
   local rowFound = false
   while not rowFound do
     if not turtle.forward() then
       returnToBase()
       sleep(3600)
     end
     turn(dir)
     rowFound = turtle.detect()
     turn(dir - 1)
   end
   rows = rows + 1
 end
 
 function nextTree()
   local detectTree = false
   repeat
     turtle.turnRight()
     if not turtle.forward() then
       nextRow()
       break
     end
     turnLeft()
   until turtle.detect()
 end
 
 
 
 function main()
   --while true do
     harvestTree()
     nextTree()
   --end
 end