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Re: Using filepath method to identify an .html page

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From Peter Otten <__peter__@web.de>
Subject Re: Using filepath method to identify an .html page
Date Tue, 22 Jan 2013 20:16:34 +0100
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Xref csiph.com comp.lang.python:37337

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Ferrous Cranus wrote:

> Τη Τρίτη, 22 Ιανουαρίου 2013 6:11:20 μ.μ. UTC+2, ο χρήστης Chris Angelico
> έγραψε:

>> all of it. You are asking something that is fundamentally
>> impossible[1]. There simply are not enough numbers to go around.

> Fundamentally impossible?
> 
> Well....
> 
> OK: How about this in Perl:
> 
> $ cat testMD5.pl
> use strict;
> 
> foreach my $url(qw@ /index.html /about/time.html @){
>         hashit($url);
> }
> 
> sub hashit {
>    my $url=shift;
>    my @ltrs=split(//,$url);
>    my $hash = 0;
> 
>    foreach my $ltr(@ltrs){
>         $hash = ( $hash + ord($ltr)) %10000;
>    }
>    printf "%s: %0.4d\n",$url,$hash
>    
> }
> 
> 
> which yields:
> $ perl testMD5.pl
> /index.html: 1066
> /about/time.html: 1547

$ cat clashes.pl 
use strict;

foreach my $url(qw@ 
    /public/fails.html
    /large/cannot.html
    /number/being.html
    /hope/already.html
    /being/really.html
    /index/breath.html
    /can/although.html
@){
        hashit($url);
}

sub hashit {
   my $url=shift;
   my @ltrs=split(//,$url);
   my $hash = 0;

   foreach my $ltr(@ltrs){
        $hash = ( $hash + ord($ltr)) %10000;
   }
   printf "%s: %0.4d\n",$url,$hash
   
}
$ perl clashes.pl 
/public/fails.html: 1743
/large/cannot.html: 1743
/number/being.html: 1743
/hope/already.html: 1743
/being/really.html: 1743
/index/breath.html: 1743
/can/although.html: 1743

Hm, I must be holding it wrong...

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Using filepath method to identify an .html page Ferrous Cranus <nikos.gr33k@gmail.com> - 2013-01-22 02:07 -0800
  Re: Using filepath method to identify an .html page Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2013-01-22 11:31 +0000
    Re: Using filepath method to identify an .html page Ferrous Cranus <nikos.gr33k@gmail.com> - 2013-01-22 03:53 -0800
      Re: Using filepath method to identify an .html page Chris Angelico <rosuav@gmail.com> - 2013-01-22 23:26 +1100
    Re: Using filepath method to identify an .html page Ferrous Cranus <nikos.gr33k@gmail.com> - 2013-01-22 04:02 -0800
      Re: Using filepath method to identify an .html page Lele Gaifax <lele@metapensiero.it> - 2013-01-22 13:22 +0100
      Re: Using filepath method to identify an .html page Dave Angel <d@davea.name> - 2013-01-22 07:29 -0500
        Re: Using filepath method to identify an .html page Ferrous Cranus <nikos.gr33k@gmail.com> - 2013-01-22 04:47 -0800
          Re: Using filepath method to identify an .html page Ferrous Cranus <nikos.gr33k@gmail.com> - 2013-01-22 04:50 -0800
          Re: Using filepath method to identify an .html page Chris Angelico <rosuav@gmail.com> - 2013-01-22 23:59 +1100
          Re: Using filepath method to identify an .html page Ferrous Cranus <nikos.gr33k@gmail.com> - 2013-01-22 04:50 -0800
        Re: Using filepath method to identify an .html page Ferrous Cranus <nikos.gr33k@gmail.com> - 2013-01-22 04:47 -0800
          Re: Using filepath method to identify an .html page Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2013-01-22 13:04 +0000
            Re: Using filepath method to identify an .html page Ferrous Cranus <nikos.gr33k@gmail.com> - 2013-01-22 05:57 -0800
              Re: Using filepath method to identify an .html page Chris Angelico <rosuav@gmail.com> - 2013-01-23 01:33 +1100
                Re: Using filepath method to identify an .html page Ferrous Cranus <nikos.gr33k@gmail.com> - 2013-01-22 06:55 -0800
                Re: Using filepath method to identify an .html page Dave Angel <d@davea.name> - 2013-01-22 10:05 -0500
                Re: Using filepath method to identify an .html page Ferrous Cranus <nikos.gr33k@gmail.com> - 2013-01-22 07:21 -0800
                Re: Using filepath method to identify an .html page Chris Angelico <rosuav@gmail.com> - 2013-01-23 02:27 +1100
                Re: Using filepath method to identify an .html page Michael Torrie <torriem@gmail.com> - 2013-01-22 11:36 -0700
                Re: Using filepath method to identify an .html page Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2013-01-22 23:40 +0000
                Re: Using filepath method to identify an .html page Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2013-01-22 23:40 +0000
                Re: Using filepath method to identify an .html page Michael Torrie <torriem@gmail.com> - 2013-01-22 17:07 -0700
                Re: Using filepath method to identify an .html page MRAB <python@mrabarnett.plus.com> - 2013-01-23 00:40 +0000
                Re: Using filepath method to identify an .html page rusi <rustompmody@gmail.com> - 2013-01-22 18:55 -0800
                Re: Using filepath method to identify an .html page Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2013-01-23 02:50 +0000
                Re: Using filepath method to identify an .html page rusi <rustompmody@gmail.com> - 2013-01-22 19:04 -0800
                Re: Using filepath method to identify an .html page Chris Angelico <rosuav@gmail.com> - 2013-01-23 15:44 +1100
                Re: Using filepath method to identify an .html page Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2013-01-22 22:15 -0500
                Re: Using filepath method to identify an .html page MRAB <python@mrabarnett.plus.com> - 2013-01-23 03:35 +0000
                Re: Using filepath method to identify an .html page Michael Torrie <torriem@gmail.com> - 2013-01-22 22:10 -0700
                Re: Using filepath method to identify an .html page Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2013-01-23 01:13 -0500
                RE: Using filepath method to identify an .html page "Leonard, Arah" <Arah.Leonard@bruker-axs.com> - 2013-01-23 16:33 +0000
                Re: Using filepath method to identify an .html page Ferrous Cranus <nikos.gr33k@gmail.com> - 2013-01-23 08:51 -0800
                RE: Using filepath method to identify an .html page "Leonard, Arah" <Arah.Leonard@bruker-axs.com> - 2013-01-23 18:19 +0000
                Re: Using filepath method to identify an .html page Mark Lawrence <breamoreboy@yahoo.co.uk> - 2013-01-23 18:36 +0000
                Re: Using filepath method to identify an .html page Dave Angel <d@davea.name> - 2013-01-23 17:46 -0500
                Re: Using filepath method to identify an .html page Ferrous Cranus <nikos.gr33k@gmail.com> - 2013-01-23 08:51 -0800
                Re: Using filepath method to identify an .html page Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2013-01-22 23:34 +0000
                Re: Using filepath method to identify an .html page Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2013-01-22 23:35 +0000
                Re: Using filepath method to identify an .html page Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2013-01-22 23:34 +0000
                Re: Using filepath method to identify an .html page Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2013-01-22 23:36 +0000
                Re: Using filepath method to identify an .html page Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2013-01-22 23:36 +0000
                Re: Using filepath method to identify an .html page Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2013-01-22 23:37 +0000
                Re: Using filepath method to identify an .html page Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2013-01-22 23:39 +0000
                Re: Using filepath method to identify an .html page Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2013-01-22 23:38 +0000
                Re: Using filepath method to identify an .html page Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2013-01-22 23:39 +0000
                Re: Using filepath method to identify an .html page Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2013-01-22 23:37 +0000
                Re: Using filepath method to identify an .html page Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2013-01-22 23:38 +0000
                Re: Using filepath method to identify an .html page Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2013-01-22 23:39 +0000
                Re: Using filepath method to identify an .html page Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2013-01-22 23:36 +0000
                Re: Using filepath method to identify an .html page Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2013-01-22 23:35 +0000
                Re: Using filepath method to identify an .html page Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2013-01-22 23:37 +0000
                Re: Using filepath method to identify an .html page Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2013-01-22 16:44 -0500
                Re: Using filepath method to identify an .html page Ferrous Cranus <nikos.gr33k@gmail.com> - 2013-01-22 07:21 -0800
                Re: Using filepath method to identify an .html page Chris Angelico <rosuav@gmail.com> - 2013-01-23 02:07 +1100
                Re: Using filepath method to identify an .html page Peter Otten <__peter__@web.de> - 2013-01-22 16:25 +0100
                Re: Using filepath method to identify an .html page Ferrous Cranus <nikos.gr33k@gmail.com> - 2013-01-22 07:46 -0800
                Re: Using filepath method to identify an .html page Dave Angel <d@davea.name> - 2013-01-22 11:11 -0500
                RE: Using filepath method to identify an .html page "Leonard, Arah" <Arah.Leonard@bruker-axs.com> - 2013-01-22 16:23 +0000
                Re: Using filepath method to identify an .html page Ferrous Cranus <nikos.gr33k@gmail.com> - 2013-01-22 10:13 -0800
                Re: Using filepath method to identify an .html page Michael Torrie <torriem@gmail.com> - 2013-01-22 11:43 -0700
                Re: Using filepath method to identify an .html page Ferrous Cranus <nikos.gr33k@gmail.com> - 2013-01-22 10:13 -0800
                Re: Using filepath method to identify an .html page Ferrous Cranus <nikos.gr33k@gmail.com> - 2013-01-22 07:46 -0800
                Re: Using filepath method to identify an .html page Ferrous Cranus <nikos.gr33k@gmail.com> - 2013-01-22 07:59 -0800
                Re: Using filepath method to identify an .html page Chris Angelico <rosuav@gmail.com> - 2013-01-23 03:11 +1100
                Re: Using filepath method to identify an .html page Ferrous Cranus <nikos.gr33k@gmail.com> - 2013-01-22 10:26 -0800
                Re: Using filepath method to identify an .html page MRAB <python@mrabarnett.plus.com> - 2013-01-22 18:49 +0000
                Re: Using filepath method to identify an .html page Michael Torrie <torriem@gmail.com> - 2013-01-22 11:49 -0700
                Re: Using filepath method to identify an .html page Dave Angel <d@davea.name> - 2013-01-22 14:00 -0500
                Re: Using filepath method to identify an .html page Peter Otten <__peter__@web.de> - 2013-01-22 20:16 +0100
                Re: Using filepath method to identify an .html page Ferrous Cranus <nikos.gr33k@gmail.com> - 2013-01-22 23:25 -0800
                Re: Using filepath method to identify an .html page Michael Torrie <torriem@gmail.com> - 2013-01-23 08:25 -0700
                Re: Using filepath method to identify an .html page Ferrous Cranus <nikos.gr33k@gmail.com> - 2013-01-23 07:56 -0800
                Re: Using filepath method to identify an .html page Ferrous Cranus <nikos.gr33k@gmail.com> - 2013-01-23 07:56 -0800
                Re: Using filepath method to identify an .html page Ferrous Cranus <nikos.gr33k@gmail.com> - 2013-01-22 23:25 -0800
                Re: Using filepath method to identify an .html page Ferrous Cranus <nikos.gr33k@gmail.com> - 2013-01-22 10:26 -0800
                Re: Using filepath method to identify an .html page Ferrous Cranus <nikos.gr33k@gmail.com> - 2013-01-22 07:59 -0800
                Re: Using filepath method to identify an .html page John Gordon <gordon@panix.com> - 2013-01-22 16:55 +0000
                Re: Using filepath method to identify an .html page Ferrous Cranus <nikos.gr33k@gmail.com> - 2013-01-22 10:07 -0800
                Re: Using filepath method to identify an .html page John Gordon <gordon@panix.com> - 2013-01-22 18:37 +0000
                Re: Using filepath method to identify an .html page Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2013-01-22 17:01 -0500
                Re: Using filepath method to identify an .html page Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2013-01-22 23:23 +0000
                Re: Using filepath method to identify an .html page rusi <rustompmody@gmail.com> - 2013-01-22 09:33 -0800
                Re: Using filepath method to identify an .html page Mark Lawrence <breamoreboy@yahoo.co.uk> - 2013-01-22 17:54 +0000
                Re: Using filepath method to identify an .html page Ferrous Cranus <nikos.gr33k@gmail.com> - 2013-01-22 10:23 -0800
                Re: Using filepath method to identify an .html page Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2013-01-22 22:45 +0000
                Re: Using filepath method to identify an .html page Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2013-01-22 22:44 +0000
                Re: Using filepath method to identify an .html page Mitya Sirenef <msirenef@lightbird.net> - 2013-01-22 19:23 -0500
                Re: Using filepath method to identify an .html page Ferrous Cranus <nikos.gr33k@gmail.com> - 2013-01-22 06:55 -0800
  Re: Using filepath method to identify an .html page Michael Torrie <torriem@gmail.com> - 2013-01-22 11:21 -0700
  Re: Using filepath method to identify an .html page alex23 <wuwei23@gmail.com> - 2013-01-22 17:27 -0800

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