tp

local event=require("event")

local component = require("component")
local debug = component.debug


--chat msg, uuid, name "chat_message"_

while true do
  local ev, _ , name, msg = event.pull("chat_message")

  if msg:sub(1,3) == "tp " then
    local n1, n2 = string.match(msg, "tp%s([^%s]+)%s([^%s]+)")
    print(n1,n2)
    if n1 == nil then
      n2 = string.match(msg, "tp%s([^%s]+)")
      n1 = name
    end

    if n1 ~= nil and n2 ~= nil then

--    print(tostring(n1),tostring(n2))
      local p1 = debug.getPlayer(n1)
      local p2 = debug.getPlayer(n2)
      local players = debug.getPlayers()
      local f1, f2 = false, false

      for i, v in ipairs(players) do
        if v == n1 then f1 = true end
        if v == n2 then f2 = true end
      end

      if f1 and f2 then
        local posX, posY, posZ = p2.getPosition()
        p1.setPosition(posX, posY, posZ)
      end
    end
  end
end