using System;
using System.IO;

class FileIOTest {
    public static int Main(String[] args) {
        int ret = 0;
        if (args.Length == 0) {
            Console.WriteLine("Missing file name");
            return 1;
        }

        FileStream stream = null;
        StreamReader reader = null;
        try {
            stream = new FileStream(
                args[0], FileMode.Open, FileAccess.Read,
                FileShare.Read
            );
            reader = new StreamReader(stream);

            // Other way:
            // reader = new StreamReader(args[0]);
            // reader = File.OpenText(filename);

            String line = reader.ReadLine();
            while (line != null) {
                Console.WriteLine(line);
                line = reader.ReadLine();
            }
        } catch (Exception e) {
            Console.WriteLine(e.Message);
            ret = 1;
        } finally {
            if (stream != null) {
                stream.Close();
            }
        }
        return ret;
    }
}