FilesAndExceptionsLecture

namespace FilesAndExceptions
{
    using System;
    using System.Collections.Generic;
    using System.IO;
    using System.Linq;

    public class Program
    {
        public static void Main(string[] args)
        {
            //if (!File.Exists("myfile.txt"))
            //{
            //    File.Create("myfile.txt");
            ////}

            ////var text = File.ReadAllText("myfile.txt");

            ////File.Move("myfile.txt", "../anotherfile.txt"); // renaming and moving a file

            //Console.WriteLine(text);

            //var file = "myfile.txt";

            //var lines = File.ReadAllLines(file);

            //var oddLines = new List<string>();

            //if (!File.Exists("result.txt"))
            //{
            //    File.Create("result.txt");
            //}

            //for (int i = 0; i < lines.Length; i++)
            //{
            //    if (i % 2 != 0)
            //    {
            //        oddLines.Add(lines[i]);
            //    }
            //}

            //File.WriteAllLines("result.txt", oddLines);

            //var lines = File.ReadAllLines(file);

            //var linesWithNumbers = new List<string>();

            //for (int i = 0; i < lines.Length; i++)
            //{
            //    linesWithNumbers.Add($"{i + 1}. {lines[i]}");
            //}

            //File.WriteAllLines("result.txt", linesWithNumbers);

            //var words = File.ReadAllText("words.txt")
            //    .Split(new[] { ' ', '\n' }, StringSplitOptions.RemoveEmptyEntries)
            //    .Select(s => s.ToLower())
            //    .ToArray();

            //var text = File.ReadAllText("text.txt").Split(new[] { ' ', '.', ',', '!', '?', '-', '\'', '\n', '\r' }, StringSplitOptions.RemoveEmptyEntries)
            //    .Select(s => s.ToLower())
            //    .ToArray();

            //var result = new Dictionary<string, int>();

            //for (int i = 0; i < words.Length; i++)
            //{
            //    var currentWordCount = 0;
            //    var currentWord = words[i];

            //    for (int j = 0; j < text.Length; j++)
            //    {
            //        if (currentWord == text[j])
            //        {
            //            currentWordCount++;
            //        }
            //    }

            //    result[currentWord] = currentWordCount;
            //}

            //var sortedResult = result
            //    .OrderByDescending(kvp => kvp.Value)
            //    .Select(kvp => $"{kvp.Key} - {kvp.Value}")
            //    .ToArray();

            //File.WriteAllLines("result.txt", sortedResult);

            //var dir = Directory.GetCurrentDirectory();

            //var dirInfo = new DirectoryInfo(dir);

            //var parent = dirInfo.Parent;

            //var allDirsInParent = parent.GetDirectories();

            //foreach (var dirc in allDirsInParent)
            //{
            //    Console.WriteLine(dirc);
            //}

            //var totalLength = Directory.GetFiles("Debug")
            //    .Select(f => new FileInfo(f))
            //    .Sum(f => f.Length/ 1024.0 / 1024.0);

            //double sum = 0;

            //foreach (var file in files)
            //{
            //    FileInfo fileInfo = new FileInfo(file);
            //    sum += fileInfo.Length;
            //}


        }
    }
}