C#

private static void extractSE(string filePath)
        {
            StreamReader textIn = new StreamReader(filePath);

            do
            {
                string text = textIn.ReadLine();

                bool mail = text.Contains("Mail");

               if(!mail)
                {
                if ((text != ""))
                {
                        int indexofTO = text.IndexOf("to");
                        int indexofSLOT = text.IndexOf("Slot");


                        if (indexofSLOT < indexofTO) //load
                        {
                            int indexofInfo = text.IndexOf("Info");
                            string dtTxt = text.Substring(0, (indexofInfo - 1));
                            DateTime dt = DateTime.Parse(dtTxt);
                            string data = text.Substring(indexofInfo);
                            string key = text.Substring(indexofSLOT, (indexofTO - indexofSLOT - 1));
                            timeDate.Add(key, new DriveDT(dt, data));

                        }
                        else //unload
                        {
                            string key = text.Substring((indexofTO + 2));
                            

                            timeDate.Remove(key);
                        } 
                }
                }
            }
            while (!textIn.EndOfStream);

        }