함수 get extension()

1 개요

get file extension()

get extension()

GetExtension()

• 파일명에서 확장자 추출하는 함수
• 예: "C:\mydir.old\myfile.ext" → "ext" 또는 ".ext"

2 Bash

filename='/home/run.sh'
extension="${filename##*.}"
echo $extension

3 C++

String^ fileName = "C:\\mydir.old\\myfile.ext";
String^ extension = Path::GetExtension( fileName ); // '.ext'

4 C#

using System;
using System.IO;
using static System.IO.File;
class Program {
    static void Main() {
        string fileName = @"C:\mydir.old\myfile.ext";
        string extension = Path.GetExtension(fileName);
        Console.WriteLine( extension );
    }
}

5 PHP

$extension = pathinfo($filename, PATHINFO_EXTENSION);

$path_parts = pathinfo($filename);
$extension = $path_parts['extension'];

$extension = substr( strrchr($filename, "."), 1 );

$extension = array_pop( explode('.', $filename) );

6 VB

Dim fileName As String = "C:\mydir.old\myfile.ext"
Dim extension As String
extension = Path.GetExtension(fileName)

7 같이 보기

• 확장자