View difference between Paste ID: TFVk2Zj4 and n1fYpFKY

--- Offshore Quarry Setup
+-- Chunk land mark
 local args = {...}
 
--- Check if there 3 arguments
+-- Check if there arguments
 if #args ~= 1  then
-  print("Usage: OffshoreQuarrySetup <L/R>")
+  print("Usage: landmark <L/R>")
   return
 end
 
-local dir = "L"
+dir = "L"
 dir = args[1]
 
 if dir == "l" or dir == "L" then
 	dir = "L"
 else
 	dir = "R"
 end
 
 local function tryDig()
 	while turtle.detect() do
 		if turtle.dig() then
 			sleep(0.3)
 		else
 			return false
 		end
 	end
 	return true
 end
 
 local function tryDigUp()
 	while turtle.detectUp() do
 		if turtle.digUp() then
 			sleep(0.3)
 		else
 			return false
 		end
 	end
 	return true
 end
 
 local function refuel()
 	local fuelLevel = turtle.getFuelLevel()
 	if fuelLevel == "unlimited" or fuelLevel > 0 then
 		return
 	end
 
 	local function tryRefuel()
 		for n=1,16 do
 			if turtle.getItemCount(n) > 0 then
 				turtle.select(n)
 				if turtle.refuel(1) then
 					turtle.select(1)
 					return true
 				end
 			end
 		end
 		turtle.select(1)
 		return false
 	end
 
 	if not tryRefuel() then
 		print( "Add more fuel to continue." )
 		while not tryRefuel() do
 			sleep(1)
 		end
 		print( "Resuming Quarry Setup." )
 	end
 end
 
 
 local function tryForward()
 	refuel()
 	while not turtle.forward() do
 		if turtle.detect() then
 			if not tryDig() then
--- dig
+
 			end
 		elseif turtle.attack() then
 			-- collect()
-		turtle.placeDown()
+
-
+
-		if n<17 then
+
 	end
 	return true
 end
 
 local function cornerMark()
 	turtle.digDown()
 	turtle.select(2)
 	turtle.placeDown()
 	if dir == "L" then
 		turtle.turnLeft()
 	else
 		turtle.turnRight()
 	end
 	tryDig()
 	tryDigUp()
 	turtle.turnLeft()
-		turtle.placeDown()
+	turtle.turnLeft()
-
+	turtle.back()
-		if n<17 then
+	turtle.select(1)
 	turtle.place()
 	turtle.turnLeft()
 	turtle.turnLeft()
 end
 
 for i=1,2 do
 	for n=1,17 do
 		if n<16 then
 			tryDig()
 			tryDigUp()
 			if not tryForward() then
 				print( "Aborting Setup." )
 				break
 			end
 		else
 			print( "Segment complete." )
 		end
 
 	end
 	cornerMark()
 	for n=1,17 do
 		if n<16 then
 			tryDig()
 			tryDigUp()
 			if not tryForward() then
 				print( "Aborting Setup." )
 				break
 			end
 		else
 			print( "Segment complete." )
 		end
 
 	end
 	cornerMark()
 end
 
 turtle.select(2)
 turtle.placeDown()
 
 print( "Chunk delimited." )