test.nim

import tables, strscans

proc readData(path: string): Table[string, string] = 
  result = initTable[string, string]()
  for line in path.lines:
    var ip, guid: string
    var extra: string
    if scanf(line, "$+ [$+] ($+)", extra, ip, guid):
      echo "User action: ", ip, " ", guid
      result[ip] = guid
    elif scanf(line, "$+ [$+] $+ GUID $+ ", extra, ip, extra, guid):
      echo "Admin auth: ", ip, " ", guid
      result[ip] = guid

echo readData("tata.txt")