32 lines
873 B
C#
32 lines
873 B
C#
|
/*
|
||
|
|
* C# Program to Count File Extensions and Group it using LINQ
|
||
|
|
*/
|
||
|
|
using System;
|
||
|
|
using System.Collections.Generic;
|
||
|
|
using System.Linq;
|
||
|
|
using System.Text;
|
||
|
|
using System.IO;
|
||
|
|
namespace ConsoleApplication9
|
||
|
|
{
|
||
|
|
class Program
|
||
|
|
{
|
||
|
|
public static void Main()
|
||
|
|
{
|
||
|
|
string[] arr = { "aaa.txt", "bbb.TXT", "xyz.abc.pdf", "aaaa.PDF", "abc.xml", "ccc.txt", "zzz.txt" };
|
||
|
|
var egrp = arr.Select(file => Path.GetExtension(file).TrimStart('.').ToLower())
|
||
|
|
.GroupBy(x => x,(ext, extCnt) =>new
|
||
|
|
{
|
||
|
|
Extension = ext,
|
||
|
|
Count = extCnt.Count()
|
||
|
|
});
|
||
|
|
foreach (var v in egrp)
|
||
|
|
Console.WriteLine("{0} File(s) with {1} Extension ",v.Count, v.Extension);
|
||
|
|
Console.ReadLine();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
4 File(s) with txt Extension
|
||
|
|
2 File(s) with pdf Extension
|
||
|
|
1 File(s) with xml Extension
|