test1234124124

function mining()

 remainingX = length
 remainingY = width

 while remainingY>0 do

  column()
  remainingY = remainingY-1
  if remainingY>0 then
   turtle.turnRight()
   turtle.dig()
   turtle.forward()
   turtle.digUp()
   turtle.digDown()
   turtle.turnRight()
   remainingX = length
   columnn()
   remainingY = remainingY-1
   if remainingY>0 then
    turtle.turnLeft()
	turtle.forward()
	turtle.turnLeft()
   end
  end
 end
 if (width % 2 == 1) then
  turtle.turnRight()
  turtle.turnRight()
  remainingX = length
  returnTrip()
 else
  returnTrip()
 end
end

 function column()

  while remainingX>0 do
   turtle.dig()
   turtle.forward()
   turtle.digUp()
   turtle.digDown()
   remainingX = remainingX-1
  end
 end

 function returnTrip()

  remainingY = width
  while remainingX>0 do
   turtle.forward()
   remainingX = remainingX-1
  end
  turtle.turnRight()
  while remainingY>1 do
  turtle.forward()
  remainingY = remainingY-1
  end
  turtle.dropDown()
 end

 function giveInfoPlease()
  write ("Quarry length (Max 500): ")
   answerL = read()
  if 0<answerL<500 then
   write ("Quarry width (Max 500): ")
   answerW = read()
   if 0<answerW<500 then
   MINE()
   else giveInfoPlease()
   end
  else giveInfoPlease()
  end
 end

giveInfoPlease()

fuelRequired = length*width+width
print ("(fuelRequired) fuel required")
print ("Current fuel level turtle.getFuelLevel()")
write ("Continue? (y/n): ")
local answer = read()
if (local answer == y) then
 mining()
end