Program that toggles its function every time?

I would like to know if its possible with turtles to have a program that, every time you run it, it toggles to a different function. For example, a door program. When it runs the first time, the turtle digs out a door. Then, the second time it runs, it rebuilds the door for you. Then, the third time it will dig out the door again, and so on.

Well, yes if you only want to do that. And I don't think it will ever work on a door, but you can always break open the wall beside the door (if there's nothing there)

if turtle.detect() then
   turtle.dig()
   turtle.forward()  --  OR turtle.up()
   turtle.digUp()    -- OR turtle.dig()
   turtle.forward()  -- OR turtle.down()
   turtle.turnRight()  -- Remove for secondary purpose
   turtle.turnRight()  -- Remove for secondary purpose
else
   turtle.forward()  -- OR turtle.up()
   turtle.placeUp()  -- OR turtle.place()
   turtle.forward()  -- OR turtle.down()

   turtle.turnLeft()  -- Remove for secondary purpose
   turtle.turnLeft()  --  Remove for secondary purpose
   turtle.place() 
end

I am, of course, assuming this is meant to go through said door. If not, and it is meant to act as the door-opening mechanism, then use the commented code.

Also, remember: this will not work for actual doors. Walls, yes, doors no.

OmegaVest, on 21 December 2012 - 10:11 AM said:

Well, yes if you only want to do that. And I don't think it will ever work on a door, but you can always break open the wall beside the door (if there's nothing there)

if turtle.detect() then
   turtle.dig()
   turtle.forward()  --  OR turtle.up()
   turtle.digUp()	-- OR turtle.dig()
   turtle.forward()  -- OR turtle.down()
   turtle.turnRight()  -- Remove for secondary purpose
   turtle.turnRight()  -- Remove for secondary purpose
else
   turtle.forward()  -- OR turtle.up()
   turtle.placeUp()  -- OR turtle.place()
   turtle.forward()  -- OR turtle.down()

   turtle.turnLeft()  -- Remove for secondary purpose
   turtle.turnLeft()  --  Remove for secondary purpose
   turtle.place()
end

I am, of course, assuming this is meant to go through said door. If not, and it is meant to act as the door-opening mechanism, then use the commented code.

Also, remember: this will not work for actual doors. Walls, yes, doors no.

Thanks for the quick reply, and yes by door I meant wall.