//Problem 1//

​

using System;

using System.IO;

​

namespace ConsoleApp1

{

    class Program

    {

        static void Main(string[] args)

        {

            DirectoryInfo example = new DirectoryInfo(@"H:\2019 - 2020");

            example.Create();

​

​

            string name = $@"H:\2019 - 2020\KalinaKirova.txt";

​

            if(File.Exists(name))

            {

                File.Create(name);

            }

            else

            {

                Console.WriteLine("The file exists.");

            }

​

            Console.WriteLine("Enter information: ");

            string info = Console.ReadLine();

​

            if(info.Contains('m') || info.Contains('M'))

            {

                string[] information =

                {

                    info

                };

                File.WriteAllText(name, info);

            }

​

            Console.WriteLine($"Date: {File.GetCreationTime(name)}");

            Console.WriteLine($"Directory name: {example.Parent}");

            Console.WriteLine($"File name: {example.FullName}");

            Console.WriteLine($"Last access: {File.GetLastAccessTime(name)}");

        }

    }

}

​

​

//Problem 2//

​

using System;

using System.IO;

​

class ConsoleApp45

{

    static void Main()

    {

        string fileName = @"C:\Users\Kali\Desktop\programming.txt";

        //File.Create(fileName);

​

        Console.WriteLine("Enter a string that will be ignored: ");

        string ign = Console.ReadLine();

​

        Console.WriteLine("Enter text: ");

        string text = Console.ReadLine();

​

        if (!text.Contains(ign))

        {

            File.WriteAllText(fileName, text);

        }

        else

        {

            text = text.Replace(ign, " ");

            File.WriteAllText(fileName, text);

        }

    }

}

​

​

//Problem 3//

​

​

DirectoryInfo dir = new DirectoryInfo(@"C:\Users\555\Desktop\File_Handling");

dir.Create();

​

string file = @"C:\Users\555\Desktop\BunovskaV_24Sept2022\newFile.txt";

​

File.Move(file, @"C:\Users\555\Desktop\File_Handling\moved.txt");

​

if (!File.Exists(file))

{

    using (StreamWriter sw = File.CreateText(file))

    {

        sw.WriteLine("This");

        sw.WriteLine("is");

        sw.WriteLine("extra");

    }

}

​

​

using (StreamWriter sw = File.AppendText(file))

{

    sw.WriteLine("new");

    sw.WriteLine("text.");

}

​

using (StreamReader sr = File.OpenText(file))

{

    string s = "";

    while ((s = sr.ReadLine()) != null)

    {

        Console.WriteLine(s);

    }

}

​

​

//Problem 4//

​

using System;

using System.IO;

​

class ConsoleApp45

{

    static void Main()

    {

        DirectoryInfo folder = new DirectoryInfo(@"C:\Users\Kali\Desktop\folder");

        folder.Create();

        string fileName = @"C:\Users\Kali\Desktop\folder\new.txt";

        //File.Create(fileName);

​

        string[] info =

        {

            "This is a copy of the file."

        };

​

        File.WriteAllLines(fileName, info);

​

        string newFileName = @"C:\Users\Kali\Desktop\folder\NEW.txt";

        File.Copy(fileName, newFileName);

​

       foreach (var item in File.ReadAllLines(newFileName))

        {

            Console.WriteLine($"{item}");

        }

    }

}

​

​

//Problem 5//

​

​

using System;

using System.IO;

​

class ConsoleApp45

{

    static void Main()

    {

        DirectoryInfo folder = new DirectoryInfo(@"C:\Users\Kali\Desktop\folder");

        folder.Create();

        string fileName = @"C:\Users\Kali\Desktop\folder\new.txt";

        //File.Create(fileName);

​

        string[] info =

        {

            "This is the same file."

        };

​

        File.WriteAllLines(fileName, info);

​

        string newFileName = @"C:\Users\Kali\Desktop\folder\NEW.txt";

        File.Move(fileName, newFileName);

    }

}

​

​

​

//Moving files from Directory//

​

using System;

using System.IO;

​

namespace ConsoleApp1

{

    class Program

    {

        static void Main(string[] args)

        {

            DirectoryInfo dir = new DirectoryInfo(@"H:\2019 - 2020\07OCTKalinaK");

            dir.Create();

            DirectoryInfo direc = new DirectoryInfo(@"H:\2019 - 2020\07OCTKalinaKirova");

            direc.Create();

            string file = @"H:\2019 - 2020\07OCTKalinaKirova\new.txt";

            //File.Create(file);

​

            File.Move(file, @"H:\2019 - 2020\07OCTKalinaK\new.txt");

​

            try

            {

                Console.WriteLine("Enter number 1: ");

                int a = int.Parse(Console.ReadLine());

​

                Console.WriteLine("Enter number 2: ");

                int b = int.Parse(Console.ReadLine());

​

                Console.WriteLine(a / b);

            }

​

            catch(Exception e) //if we know the exact exception, we can put "DivideByZero"

            {

                Console.Write(e.Message);

            }

            finally

            {

                //File.Close();

            }

        }

    }

}

​

​

​

​

//vajno

​

using System;

using System.IO;

​

namespace hw_fh

{

    class program

    {

        static void Main(string[]args)

        {

            //get access to a directory

            DirectoryInfo currDir = new DirectoryInfo (@"");

            currDir.Create();

            //get directory path name

            Console.WriteLine (currDir.GetDirectories());

            string fileName = @"";

            string DirectoryName = null;

            DirectoryName = Path.GetDirectoryName(fileName);

            Console.WriteLine ("File directory name:" +DirectoryName);

            Console.WriteLine();

            string filename = null;

            filename = Path.GetFileName(fileName);

            Console.WriteLine ("Filename name" +filename);

            Console.WriteLine();

            Console.WriteLine(File.Exists(fileName)? "File exists" : "File does not exist");

            //DateTime cdate = File.GetCreationTime(fileName)

            //Console.WriteLine(cdate);

        }

    }

}