static void Main(string[] args)
{
string fileName = string.Empty;
if (args != null && args.Length == 1)
{
fileName = args[1];
}
else
{
Console.Write("Input File Path: ");
fileName = Console.ReadLine();
}
CustomTask task = new CustomTask(fileName);
task.ExecuteInSequence();
Console.Write("Press any key to exit...");
Console.ReadKey();
}