53 lines
1.4 KiB
C#
53 lines
1.4 KiB
C#
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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namespace Introduction
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{
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class Program
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{
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static void Main(string[] args)
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{
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string path = Directory.GetCurrentDirectory();
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ShowLargeFilesWithoutLinq(path);
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Console.WriteLine("***");
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ShowLargeFilesWithLinq(path);
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}
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private static void ShowLargeFilesWithLinq(string path)
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{
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var query = new DirectoryInfo(path).GetFiles()
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.OrderBy(f => f.Length)
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.Take(5);
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foreach (var file in query.Take(5))
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{
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Console.WriteLine($"{file.Name,-50} : {file.Length,10:N0}");
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}
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}
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private static void ShowLargeFilesWithoutLinq(string path)
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{
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DirectoryInfo directory = new DirectoryInfo(path);
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FileInfo[] files = directory.GetFiles();
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Array.Sort(files, new FileInfoComparer());
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for (int i = 0; i < 5; i++)
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{
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FileInfo file = files[i];
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Console.WriteLine($"{file.Name, -20} : {file.Length, 10:N0}");
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}
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}
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}
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public class FileInfoComparer : IComparer<FileInfo>
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{
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public int Compare(FileInfo x, FileInfo y)
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{
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return y.Length.CompareTo(x.Length);
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}
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}
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}
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