private static void Main(string[] args)
        {
            var arguments = args.Select(x => x.ToLower()).ToList();
            if (arguments.Count == 0 || arguments.Contains("-help"))
            {
                Console.WriteLine("-d - Database Name");
                Console.WriteLine("-i - Output Sql File Name");
                Console.WriteLine("-s - Server Instance");
                Console.WriteLine("-u - User Name");
                Console.WriteLine("-p - Password");
                Console.WriteLine("It should be 'tables.txt' file in folder with names of tables to script; if it does not exist the application scripts all tables with prefix 'GMP_'");
                Console.ReadKey();
            }
            else if (arguments.Count > 1 && arguments.Contains("-d") && args.Contains("-i"))
            {
                if (arguments.Count <= arguments.IndexOf("-d") + 1)
                {
                    throw new ArgumentException("Database Name");
                }

                if (arguments.Count <= arguments.IndexOf("-i") + 1)
                {
                    throw new ArgumentException("Output Sql File Name");
                }

                var dbName = arguments[arguments.IndexOf("-d") + 1];
                var outputFileName = arguments[arguments.IndexOf("-i") + 1];
                var srv = new Server();
                if (arguments.Contains("-s") && args.Contains("-u") && arguments.Contains("-p"))
                {
                    if (arguments.Count <= arguments.IndexOf("-s") + 1)
                    {
                        throw new ArgumentException("Server Instance");
                    }
                    if (arguments.Count <= arguments.IndexOf("-u") + 1)
                    {
                        throw new ArgumentException("User Name");
                    }
                    if (arguments.Count <= arguments.IndexOf("-p") + 1)
                    {
                        throw new ArgumentException("Password");
                    }
                    var connection = new ServerConnection(arguments[arguments.IndexOf("-s") + 1], arguments[arguments.IndexOf("-u") + 1], arguments[arguments.IndexOf("-p") + 1]);
                    srv = new Server(connection);
                }

                // read names of tables
                var tablesFromFile = new List<string>();
                if (File.Exists("tables.txt"))
                {
                    using (var file = File.OpenText("tables.txt"))
                    {
                        while (file.Peek() > 0)
                        {
                            tablesFromFile.Add(file.ReadLine());
                        }
                    }
                }

                Database db = srv.Databases[dbName];

                var dropKeys = new Scripter(srv) {Options = {ScriptDrops = true, IncludeIfNotExists = true, DriForeignKeys = true}};
                var listOfScripts = new List<Scripter>
                                    {
                                        new Scripter(srv) {Options = {ScriptDrops = true, IncludeIfNotExists = true, DriAllKeys = false}},
                                        new Scripter(srv) {Options = {ScriptDrops = false, ScriptSchema = true, WithDependencies = false, DriIndexes = true, DriClustered = true, IncludeIfNotExists = true, DriAllKeys = false}},
                                        new Scripter(srv) {Options = {ScriptDrops = false, ScriptSchema = true, DriDefaults = false, DriIndexes = false, DriPrimaryKey = false, DriClustered = false, Default = false, DriAll = false, DriForeignKeys = true, IncludeIfNotExists = true, DriAllKeys = false}},
                                        new Scripter(srv) {Options = {DriIndexes = true, Default = true, DriDefaults = true, DriClustered = false, IncludeIfNotExists = true, DriAll = true, DriAllConstraints = true, DriAllKeys = true, SchemaQualify = true, SchemaQualifyForeignKeysReferences = true, NoCollation = true}}
                                    };

                using (var file = File.CreateText(outputFileName))
                {
                    foreach (Table tb in db.Tables)
                    {
                        if ((tablesFromFile.Count > 0 && tablesFromFile.Contains(tb.Name) || (tablesFromFile.Count == 0 && tb.Name.StartsWith("GMP_"))))
                        {
                            if (tb.IsSystemObject == false)
                            {
                                foreach (ForeignKey foreignKey in tb.ForeignKeys)
                                {
                                    System.Collections.Specialized.StringCollection scd = dropKeys.Script(new[] { foreignKey.Urn });
                                    foreach (string st in scd)
                                    {
                                        file.WriteLine(st);
                                        file.WriteLine("GO");
                                    }
                                }
                                file.WriteLine();
                            }
                        }
                    }

                    foreach (var script in listOfScripts)
                    {
                        foreach (Table tb in db.Tables)
                        {
                            if ((tablesFromFile.Count > 0 && tablesFromFile.Contains(tb.Name) || (tablesFromFile.Count == 0 && tb.Name.StartsWith("GMP_"))))
                            {
                                if (tb.IsSystemObject == false)
                                {
                                    System.Collections.Specialized.StringCollection scd = script.Script(new[] { tb.Urn });
                                    foreach (string st in scd)
                                    {
                                        file.WriteLine(st);
                                        file.WriteLine("GO");
                                    }
                                    file.WriteLine();
                                }
                            }
                        }
                    }
                }
            }
        }