Convert::Bencode - Functions for converting to/from bencoded strings
use Convert::Bencode qw(bencode bdecode);
my $string = "d4:ainti12345e3:key5:value4:type4:teste";
my $hashref = bdecode($string);
foreach my $key (keys(%{$hashref})) {
print "Key: $key, Value: ${$hashref}{$key}\n";
}
my $encoded_string = bencode($hashref);
print $encoded_string."\n";
This module provides two functions, "bencode"
and "bdecode", which encode and decode
bencoded strings respectivly.
"bencode()" expects to be passed a single
value, which is either a scalar, a arrary ref, or a hash ref, and it returns a
scalar containing the bencoded representation of the data structure it was
passed. If the value passed was a scalar, it returns either a bencoded string,
or a bencoded integer (floating points are not implemented, and would be
returned as a string rather than a integer). If the value was a array ref, it
returns a bencoded list, with all the values of that array also bencoded
recursivly. If the value was a hash ref, it returns a bencoded dictionary
(which for all intents and purposes can be thought of as a synonym for hash)
containing the recursivly bencoded key and value pairs of the hash.
"bdecode()" expects to be passed a single
scalar containing the bencoded string to be decoded. Its return value will be
either a hash ref, a array ref, or a scalar, depending on whether the outer
most element of the bencoded string was a dictionary, list, or a
string/integer respectivly.
The description of bencode is part of the bittorrent protocol specification
which can be found at http://bitconjurer.org/BitTorrent/protocol.html
No error detection of bencoded data. Damaged input will most likely cause very
bad things to happen, up to and including causeing the bdecode function to
recurse infintly.
Created by R. Kyle Murphy <orclev@rejectedmaterial.com>, aka Orclev.
Copyright 2003 R. Kyle Murphy. All rights reserved.
Convert::Bencode is free software; you may redistribute it and/or modify it
under the same terms as Perl itself.