Basic Turtle controller

function readData()
   local h=fs.open("houseData","r")
   data = h.readLine()
   action = {}
   for i=1,string.len(data),2 do
      command=string.sub(data,i,i)
      times=tonumber(string.sub(data,i+1,i+1))
      table.insert(action,{command,times})
   end
end

function chooseSlot(givenSlot)
   local chosenSlot = givenSlot
   for i=5,16 do
      turtle.select(i)
      if turtle.compareTo(givenSlot) then
         chosenSlot = i
      end
      turtle.select(chosenSlot)
   end
end

function placeBehind(times)
   for i = 1,times do
      turtle.forward()
      turtle.turnRight()
      turtle.turnRight()
      turtle.place()
      turtle.turnRight()
      turtle.turnRight()
   end
end

function moveForward(times)
   for i=1,times do
      turtle.forward()
   end
end

function doAction(command,times)
   if command =="p" then
      chooseSlot(times)
      placeBehind(1)
   elseif command =="f" then
      moveForward(times)
   elseif command =="b" then
      placeBehind(times)
   elseif command =="d" then
      turtle.turnRight()
      moveForward(times)
   elseif command =="a" then
      turtle.turnLeft()
      moveForward(times)
   elseif command =="s" then
      turtle.turnRight()
      turtle.turnRight()
      moveForward(times)
   end
end

readData()
for i=1,#action do
  doAction(action[i][1],action[i][2])
end