Need help reversing this code

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uri::data

URI::data(3)						User Contributed Perl Documentation					      URI::data(3)

NAME

       URI::data - URI that contains immediate data

SYNOPSIS

	use URI;

	$u = URI->new("data:");
	$u->media_type("image/gif");
	$u->data(scalar(`cat camel.gif`));
	print "$u
";
	open(XV, "|xv -") and print XV $u->data;

DESCRIPTION

       The "URI::data" class supports "URI" objects belonging to the data URI scheme.  The data URI scheme is specified in RFC 2397.  It allows
       inclusion of small data items as "immediate" data, as if it had been included externally.  Examples:

	 data:,Perl%20is%20good

	 data:image/gif;base64,R0lGODdhIAAgAIAAAAAAAPj8+CwAAAAAI
	   AAgAAAClYyPqcu9AJyCjtIKc5w5xP14xgeO2tlY3nWcajmZZdeJcG
	   Kxrmimms1KMTa1Wg8UROx4MNUq1HrycMjHT9b6xKxaFLM6VRKzI+p
	   KS9XtXpcbdun6uWVxJXA8pNPkdkkxhxc21LZHFOgD2KMoQXa2KMWI
	   JtnE2KizVUkYJVZZ1nczBxXlFopZBtoJ2diXGdNUymmJdFMAADs=

       "URI" objects belonging to the data scheme support the common methods (described in URI) and the following two scheme-specific methods:

       $uri->media_type( [$new_media_type] )
	   Can be used to get or set the media type specified in the URI.  If no media type is specified, then the default
	   "text/plain;charset=US-ASCII" is returned.

       $uri->data( [$new_data] )
	   Can be used to get or set the data contained in the URI.  The data is passed unescaped (in binary form).  The decision about whether to
	   base64 encode the data in the URI is taken automatically, based on the encoding that produces the shorter URI string.

SEE ALSO

       URI

COPYRIGHT

       Copyright 1995-1998 Gisle Aas.

       This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself.

perl v5.16.3							    2012-02-11							      URI::data(3)

Shell Programming and Scripting