API usage examples for URI comparisons in various languages and environments. Anno 2002, originally http://lists.w3.org/Archives/Public/www-archive/2002Dec/0096.html http://lists.w3.org/Archives/Public/www-archive/2002Dec/0094.html http://lists.w3.org/Archives/Public/www-archive/2002Dec/0095.html http://lists.w3.org/Archives/Public/www-archive/2…

UriEq.cs

using System;

class UriEq
{
    static void Main(String[] Args)
    {
        Uri uri1 = new Uri("http://www.example.org/%61");
        Uri uri2 = new Uri("http://www.example.org/a");
        System.Console.WriteLine(uri1.Equals(uri2));
    }
}

UriEq.java

import java.net.URL;

public class UriEq
{
    public static void main(String[] args)
    {
        try
        {
            URL uri1 = new URL("http://www.example.org/%61");
            URL uri2 = new URL("http://www.example.org/a");
            System.out.println(uri1.equals(uri2));
        }
        catch (Exception e)
        {
            System.err.println(e);
        }
    }
}

urlcmp-perl.pl

#!perl -w
use strict;
use warnings;
use URI;

my $uri1 = URI->new("http://www.example.org/%61");
my $uri2 = URI->new("http://www.example.org/a");

print "equal" if $uri1->eq($uri2);

urlcmp-win32.c

#include <stdio.h>
#include <stdlib.h>
#include <shlwapi.h>
#pragma comment(lib, "shlwapi.lib")

int main(void)
{
    LPCTSTR uri1 = "http://www.example.org/%61";
    LPCTSTR uri2 = "http://www.example.org/a";

    if (UrlCompare(uri1, uri2, FALSE) == 0)
    {
        printf("equal\n");
    }
    else
    {
        printf("not equal\n");
    }

    return EXIT_SUCCESS;
}