facing

local x, y, z = gps.locate(5)

function getLoc()
  x, y, z = gps.locate(5)
end
function getDirec()
  getLoc()
  local xHold = x
  local yHold = y
  local zHold = z

  turtle.forward()
  getLoc()

  if x > xHold then
    rednet.send(1, "I am facing east.")
    return("east")
  elseif x < xHold then
    rednet.send(1, "I am facing west.")
    return("west")
  elseif z > zHold then
    rednet.send(1, "I am facing south.")
    return("south")
  elseif z < zHold then
    rednet.send(1, "I am facing north.")
  return("north")
  end

  turtle.back()
end

getDirec()