সি# ফাইল সিস্টেম

using System;
using System.IO;

class Program {
  static void Main() {

      string result = File.ReadAllText("./api/document.txt");

      Console.WriteLine(result);
  }
}

using System;
using System.IO;

class Program {
  static void Main() {

    string file = "./api/document.txt";

    if (File.Exists(file)) {
      File.Delete(file);
    }

    Console.WriteLine("file delete successful");
  }
}

using System;
using System.IO;

class Program {
  static void Main() {

    File.WriteAllText("./api/document.txt", "প্রোগ্রামিং শিখুন - প্রোগ্রামিং দিয়ে আপনার ক্যারিয়ার গড়ুন");

    Console.WriteLine("file writing successful");
  }
}

using System;
using System.IO;

class Program {
  static void Main() {

    string file = "./api/document.txt";
    string copy = "./api/temp/doc.txt";

    File.Copy(file, copy);

    Console.WriteLine("file copy successful");
  }
}

using System;
using System.IO;

class Program {
  static void Main() {

    string source = "./api/temp/doc.txt";
    string change = "./api/temp/document.txt";

    File.Move(source, change);

    Console.WriteLine("file rename successful");
  }
}

using System;
using System.IO;

class Program {
  static void Main() {

    string source = "./api/temp/document.txt";
    string target = "./api/root/document.txt";

    File.Move(source, target);

    Console.WriteLine("file transfer successful");
  }
}

using System;
using System.IO;

class Program {
  static void Main() {

    string file = "./api/document.txt";

    Console.WriteLine(File.Exists(file));
  }
}