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JSON::Syck(3)	      User Contributed Perl Documentation	 JSON::Syck(3)

NAME
       JSON::Syck - JSON is YAML (but consider using JSON::XS instead!)

SYNOPSIS
	   use JSON::Syck; # no exports by default

	   my $data = JSON::Syck::Load($json);
	   my $json = JSON::Syck::Dump($data);

	   # $file can be an IO object, or a filename
	   my $data = JSON::Syck::LoadFile($file);
	   JSON::Syck::DumpFile($file, $data);

DESCRIPTION
       JSON::Syck is a syck implementation of JSON parsing and generation.
       Because JSON is YAML
       (<http://redhanded.hobix.com/inspect/yamlIsJson.html>), using syck
       gives you a fast and memory-efficient parser and dumper for JSON data
       representation.

       However, a newer module JSON::XS, has since emerged.  It is more
       flexible, efficient and robust, so please consider using it instead of
       this module.

DIFFERENCE WITH JSON
       You might want to know the difference between the JSON module and this
       one.

       Since JSON is a pure-perl module and JSON::Syck is based on libsyck,
       JSON::Syck is supposed to be very fast and memory efficient. See
       chansen's benchmark table at
       <http://idisk.mac.com/christian.hansen/Public/perl/serialize.pl>

       JSON.pm comes with dozens of ways to do the same thing and lots of
       options, while JSON::Syck doesn't. There's only "Load" and "Dump".

       Oh, and JSON::Syck doesn't use camelCase method names :-)

REFERENCES
   SCALAR REFERENCE
       For now, when you pass a scalar reference to JSON::Syck, it
       dereferences to get the actual scalar value.

       JSON::Syck raises an exception when you pass in circular references.

       If you want to serialize self refernecing stuff, you should use YAML
       which supports it.

   SUBROUTINE REFERENCE
       When you pass subroutine reference, JSON::Syck dumps it as null.

UTF-8 FLAGS
       By default this module doesn't touch any of utf-8 flags set in strings,
       and assumes UTF-8 bytes to be passed and emit.

       However, when you set $JSON::Syck::ImplicitUnicode to 1, this module
       properly decodes UTF-8 binaries and sets UTF-8 flag everywhere, as in:

	 JSON (UTF-8 bytes)   => Perl (UTF-8 flagged)
	 JSON (UTF-8 flagged) => Perl (UTF-8 flagged)
	 Perl (UTF-8 bytes)   => JSON (UTF-8 flagged)
	 Perl (UTF-8 flagged) => JSON (UTF-8 flagged)

       Unfortunately, there's no implicit way to dump Perl UTF-8 flagged data
       structure to utf-8 encoded JSON. To do this, simply use Encode module,
       e.g.:

	 use Encode;
	 use JSON::Syck qw(Dump);

	 my $json = encode_utf8( Dump($data) );

       Alternatively you can use Encode::JavaScript::UCS to encode Unicode
       strings as in %uXXXX form.

	 use Encode;
	 use Encode::JavaScript::UCS;
	 use JSON::Syck qw(Dump);

	 my $json_unicode_escaped = encode( 'JavaScript-UCS', Dump($data) );

QUOTING
       According to the JSON specification, all JSON strings are to be double-
       quoted.	However, when embedding JavaScript in HTML attributes, it may
       be more convenient to use single quotes.

       Set $JSON::Syck::SingleQuote to 1 will make both "Dump" and "Load"
       expect single-quoted string literals.

SEE ALSO
       JSON::XS,

AUTHORS
       Audrey Tang <cpan@audreyt.org>

       Tatsuhiko Miyagawa <miyagawa@gmail.com>

COPYRIGHT
       Copyright 2005-2009 by Audrey Tang <cpan@audreyt.org>.

       This software is released under the MIT license cited below.

       The libsyck code bundled with this library is released by "why the
       lucky stiff", under a BSD-style license.	 See the COPYING file for
       details.

   The "MIT" License
       Permission is hereby granted, free of charge, to any person obtaining a
       copy of this software and associated documentation files (the
       "Software"), to deal in the Software without restriction, including
       without limitation the rights to use, copy, modify, merge, publish,
       distribute, sublicense, and/or sell copies of the Software, and to
       permit persons to whom the Software is furnished to do so, subject to
       the following conditions:

       The above copyright notice and this permission notice shall be included
       in all copies or substantial portions of the Software.

       THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
       OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
       MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
       IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
       CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
       TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
       SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

perl v5.10.1			  2009-04-25			 JSON::Syck(3)
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