testp.cs

static void readFile(string fileName, bool showOutput, out string[][] fileData)
        {
            string line;
            string[] tempData;
            fileData = null;
            int n = 0;
            if (File.Exists(fileName)) { 
            
                tempData = File.ReadAllLines(fileName, Encoding.GetEncoding("utf-8"));
                foreach(string fileDataElement in tempData)
                {
                    fileData[n] = fileDataElement.Split(',');

                }
                Console.WriteLine("> readFile sekmingai nuskaite faila");
            }
            else
            {
                Console.WriteLine("> readFile nerado failo");
            }
        

        }