Dirt Breaker

-- Config:

 -- Redstone:
barrelUp = "back" -- Barrel with MFR Dirt
barrelDown = "left" -- Barrel with Vanilla Dirt
 -- Slot Turtle:
importSlot = 1
exportSlot = 16

-- Prog:

term.clear()
term.setCursorPos(1,1)
print("Dirt Breaker")

   while true do
    sleep(1)

     if rs.getInput(barrelUp) and not rs.getInput(barrelDown) then
      changeID = true
     elseif not rs.getInput(barrelUp) then
      changeID = false
     elseif rs.getInput(barrelDown) then
      changeID = false
     end

       while changeID do
        term.setCursorPos(1,3)
        term.clearLine()
        print("Work: ON")
        turtle.select(importSlot)
        turtle.suckUp(1)
     if turtle.getItemCount(importSlot) == 0 then -- Security
          changeID = false
         end
        turtle.place()
        turtle.select(exportSlot)
        turtle.dig()
        turtle.dropDown()
       end
     term.setCursorPos(1,3)
     term.clearLine()
     print("Work: OFF")
   end