turtlerotate

local tArgs = {...}
local rotation = tArgs[1]
if rotation == nil then
  print("Usage: rotate <amount>")
  return -1
end

rotation = tonumber(rotation)
local direction
if rotation == 0 then
  print ("Rotating nowhere")
  return 0
elseif rotation > 0 then
  direction = "right "
elseif rotation < 0 then
  direction = "left "
end
print("Rotating ", direction, rotation, " times")
rotate(rotation)

function rotate(arg)
  if arg < 0 then
    rotation = -arg
    for r = 0, rotation-1, 1 do
      turtle.turnLeft()
    end
  elseif arg > 0 then
    rotation = arg
    for r = 0, rotation-1, 1 do
      turtle.turnRight()
    end
  end
end