Turtle Mining Program

tArgs = {...}
if #tArgs ~= 3 then
  print("You must enter 3 Colors!")
  return
end
print("Startup Sequence")
--Do Stuff

function detect(direction)
  if direction == "fwd" then
    if turtle.detect() then
      turtle.dig()
    end
  elseif direction == "up" then
    if turtle.detectUp() then
      turtle.digUp()
    end
  end
end

while true do
  shell.run("refuel")
  turtle.turnRight()
  turtle.select(3)
  detect("fwd")
  turtle.place()
  detect("up")
  turtle.up()
  turtle.select(2)
  detect("fwd")
  turtle.place()
  p = peripheral.wrap("front")
  p.setColors(colors[tArgs[1]],colors[tArgs[2]],colors[tArgs[3]])
  turtle.down()
  turtle.turnLeft()
  detect("fwd")
  turtle.forward()
  turtle.digDown()
  turtle.turnRight()
  turtle.select(4)
  detect("fwd")
  turtle.place()
  turtle.turnLeft()
  for i = 1,11 do
    detect("fwd")
    turtle.forward()
    turtle.digDown()
  end
end