function split(str,delim)
  local ret = {}
  while true do
    local s,e = string.find(str,delim,1,true)
    print("STR: "..str)
    print(s.."/"..e)
    if s and e then
      table.insert(ret,string.sub(str,1,s-1))
      str = string.sub(str,e+1)
      print(str)
    else
      break
    end
  end
  return ret
end