View difference between Paste ID: p1r4Zc25 and rpu7gtGe

---This code is developed by me (onix331) and modified by Xenomurks and is availiable under the GNU General Public License (Version 3)
+    --This code is developed by me (onix331) and modified by Xenomurks and is availiable under the GNU General Public License (Version 3)
     --See http://opensource.org/licenses/GPL-3.0
     --Have fun
 
     shaftcount = 0--Used later in the program, usually not necessary do modify it
     space = 15--Defines the space of the turtle
     ver = 1.7--For updates
     chest = 0--If the turtle has stopped at a chest
     stop = 0--If the turtle has stopped at a chest
 
 
 	function returnmining()--Beta-feature
         stop = 1
         chest = 0
         if direction=="r" then
             turnaround()
             for i = 1, shaftcount do
                 turtle.forward()
                 turtle.forward()
                 turtle.forward()
             end
             turtle.turnRight()
             for i = 1, count do
                 move()
                 turnaround()
                 move()
 				move()
                 turnaround()
                 move()
                 nextshaft()
                 shaftcount = shaftcount + 1
                 count = count - 1
                 checkspace()
             end
         end
     end
 
 
 
     function checkl() --To check if length is valid (>0, not a String), also transforms the string into a number
         length = tonumber(length)
         if length==nil then
             print ("Invalid number!")
             length = read()
             checkl()
         elseif length <= 0 then
             print ("Invalid number!")
             length = read()
             checkl()
         end
     end
 
     function checka()--To check if count is valid (>0, not a String), also transforms the string into a number
         count = tonumber(count)
         if count==nil then
             print ("Invalid number!")
             count = read()
             checka()
         elseif count <= 0 then
             print ("Invalid number!")
             count = read()
             checka()
         end
     end
 
     function checkr()--To check if direction is valid ((r) or (l))
         if direction=="r" then
             print ("")
         elseif direction=="l" then
             print ("")
         else
             print ("Invalid input!")
             direction = io.read()
             checkr()
         end
     end
 
     function checkref()--To check if refuel is valid ((r) or (l))
         if refuel=="y" then
             print ("")
         elseif refuel=="n" then
             print ("")
         else
             print ("Invalid number!")
             refuel = io.read()
             checkref()
         end
     end
 
     function checktor()--To check if torch is valid ((y) or (n))
         if torch=="y" then
             print ("")
         elseif torch=="n" then
             print ("")
         else
             print ("Invalid number!")
             torch = io.read()
             checktor()
         end
     end
 
     function move()--Basic movement funktion
         local debug = 8--Used to avoid gavel, sand, etc.
         for i = 1, length do
         if turtle.detect() then
             for i = 1, debug do
                 turtle.dig()
             end
             turtle.forward()
         else
             turtle.forward()
         end
         if turtle.detectUp() then
             for i = 1, debug do
                 turtle.digUp()
             end
         end
         end
     end
 
     function turnaround()--Turns the turtle at 90 degrees
         turtle.turnRight()
         turtle.turnRight()
     end
 
     function nextshaft()--Next shaft (right)
         turtle.turnLeft()
         turtle.dig()
         turtle.digUp()
         turtle.forward()
         turtle.dig()
         turtle.digUp()
         turtle.turnRight()
         turtle.select(16)
         turtle.placeUp()
         turtle.turnLeft()
         turtle.forward()
         turtle.dig()
         turtle.digUp()
         turtle.forward()
         turtle.digUp()
         turtle.turnRight()
     end
 
     function returnpoint()--Return to initial point
 
             turtle.turnRight()
             if shaftcount>=2 then
                 turtle.forward()
             end
             turtle.forward()
             for i = 1, shaftcount do
                 turtle.forward()
                 turtle.forward()
             end
             if stop==1 then
                 turtle.forward()
             end
             --turtle.turnLeft()
             for i = 1, space do
                 turtle.select(i)
                 turtle.drop()
             end
             turtle.select(1)
 
         turnaround()
         if chest==1 then
             returnmining()
         end
     end
 
 
     function checkspace()--Check for space and if necessary, return to initial point to the chest
         local spaceleft = 0
         for i = 1, space do
             if turtle.getItemSpace(i) > 10 then
                 spaceleft = spaceleft + 1
             end
         end
         if spaceleft < 5 then
             chest = 1
             count = count - 1
             returnpoint()
         end
     end
 
     shell.run ("clear")
     print ("Strip-mining-program by onix331")
     print ("Version ", ver)
 
     --Start user input
     print ("Length of the single shaft(s):")
     length = read()
     checkl()
 
     print ("Count of the shafts:")
     count = read()
     checka()
 
 
 	print ("Want to put some Torches on the Wall?")
     print ("Now? (Yes (y), No (n):")
     torch = read()
 	checktor()
 	if torch=="y" then
         print ("Please Put some in Slot 16")
         print ("When done, press ENTER")
 		local sEvent, param = os.pullEvent("key")
 		if sEvent == "key" then
 
 		end
 	end
 	direction = r
 
     --Refueling, a little bit complicated
     print ("Dont forget to refuel!")
     print ("Now? (Yes (y), No (n):")
     refuel = read()
     checkref()
     if refuel=="y" then
         print ("Please insert fuel anywhere")
         print ("When done, press ENTER")
         while true do
                 local sEvent, param = os.pullEvent("key")
                 if sEvent == "key" then
                         if param == 28 then
                     for i = 1, space do
                         for i = 1, 64 do
                             shell.run("refuel", rafzahl)
                         end
                         turtle.select(i)
                     end
                     turtle.select(1)
                     break
                 end
             end
         end
     end
 
     --Print user inputs
     shell.run ("clear")
     print ("Input of Length:")
     print (length)
     print ("Input of count")
     print (count)
     os.sleep(2)
     print ("3")
     os.sleep(1)
     print ("2")
     os.sleep(1)
     print ("1")
     os.sleep(1)
     print("Start!")
 
     --Main Program
 
     turtle.turnRight()
     for i = 1, count do
         move()
         turnaround()
         move()
         move()
         turnaround()
         move()
         nextshaft()
         shaftcount = shaftcount + 1
         count = count - 1
         checkspace()
     end
     returnpoint()
     print ("Done!")