pos

local tA = {...}

local robot = require('robot')

local function printPos()
  local x, y, z, s = robot.getPos()
  print('position:\n  x = '..x..'\n  y = '..y..'\n  z = '..z..'\n  side = '..s)
end

if #tA == 0 then
  printPos()
elseif #tA == 4 then
  robot.setPos(tonumber(tA[1]), tonumber(tA[2]), tonumber(tA[3]), tA[4])
  printPos()
else
  print('Usage: pos <x> <y> <z> <side>')
end