namespace xo {
    public partial class Form1 : Form {
        public Form1() {
            InitializeComponent();
        }

        DirectoryInfo d = new DirectoryInfo(@"C:\Users\xxxxxxxxxxx\Desktop\susan is cute\Names");
        private void btnSearch_Click(object sender, EventArgs e) {
            if (txtName.Text == string.Empty) return;
            if (txtGender.Text == string.Empty) return;
            StreamWriter sw = new StreamWriter(@"C:\Users\xxxxxxxxxxx\Desktop\susan is cute\Parsed\" + txtName.Text + "_" + txtGender.Text + ".txt");
            sw.AutoFlush = true;
            FileInfo[] Files = d.GetFiles("*.txt");
            foreach (FileInfo file in Files) {
                StreamReader sr = new StreamReader(@"C:\Users\xxxxxxxxxxx\Desktop\susan is cute\Names\" + file.Name);
                string line;
                while ((line = sr.ReadLine()) != null) {
                    string data = line;
                    string[] parsed = data.Split(',');
                    if (parsed[0] == txtName.Text && parsed[1] == txtGender.Text) {
                        string year = new String(file.Name.Where(Char.IsDigit).ToArray());
                        sw.WriteLine(year + "," + parsed[2]);
                        break;
                    }
                }
            }
        }
    }
}