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.IX Title "JSON_PP 1"
.TH JSON_PP 1 2023-11-30 "perl v5.38.2" "Perl Programmers Reference Guide"
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.SH NAME
json_pp \- JSON::PP command utility
.SH SYNOPSIS
.IX Header "SYNOPSIS"
.Vb 1
\&    json_pp [\-v] [\-f from_format] [\-t to_format] [\-json_opt options_to_json1[,options_to_json2[,...]]]
.Ve
.SH DESCRIPTION
.IX Header "DESCRIPTION"
json_pp converts between some input and output formats (one of them is JSON).
This program was copied from json_xs and modified.
.PP
The default input format is json and the default output format is json with pretty option.
.SH OPTIONS
.IX Header "OPTIONS"
.SS \-f
.IX Subsection "-f"
.Vb 1
\&    \-f from_format
.Ve
.PP
Reads a data in the given format from STDIN.
.PP
Format types:
.IP json 4
.IX Item "json"
as JSON
.IP eval 4
.IX Item "eval"
as Perl code
.SS \-t
.IX Subsection "-t"
Writes a data in the given format to STDOUT.
.IP null 4
.IX Item "null"
no action.
.IP json 4
.IX Item "json"
as JSON
.IP dumper 4
.IX Item "dumper"
as Data::Dumper
.SS \-json_opt
.IX Subsection "-json_opt"
options to JSON::PP
.PP
Acceptable options are:
.PP
.Vb 2
\&    ascii latin1 utf8 pretty indent space_before space_after relaxed canonical allow_nonref
\&    allow_singlequote allow_barekey allow_bignum loose escape_slash indent_length
.Ve
.PP
Multiple options must be separated by commas:
.PP
.Vb 1
\&    Right: \-json_opt pretty,canonical
\&
\&    Wrong: \-json_opt pretty \-json_opt canonical
.Ve
.SS \-v
.IX Subsection "-v"
Verbose option, but currently no action in fact.
.SS \-V
.IX Subsection "-V"
Prints version and exits.
.SH EXAMPLES
.IX Header "EXAMPLES"
.Vb 2
\&    $ perl \-e\*(Aqprint q|{"foo":"あい","bar":1234567890000000000000000}|\*(Aq |\e
\&       json_pp \-f json \-t dumper \-json_opt pretty,utf8,allow_bignum
\&    
\&    $VAR1 = {
\&              \*(Aqbar\*(Aq => bless( {
\&                                \*(Aqvalue\*(Aq => [
\&                                             \*(Aq0000000\*(Aq,
\&                                             \*(Aq0000000\*(Aq,
\&                                             \*(Aq5678900\*(Aq,
\&                                             \*(Aq1234\*(Aq
\&                                           ],
\&                                \*(Aqsign\*(Aq => \*(Aq+\*(Aq
\&                              }, \*(AqMath::BigInt\*(Aq ),
\&              \*(Aqfoo\*(Aq => "\ex{3042}\ex{3044}"
\&            };
\&
\&    $ perl \-e\*(Aqprint q|{"foo":"あい","bar":1234567890000000000000000}|\*(Aq |\e
\&       json_pp \-f json \-t dumper \-json_opt pretty
\&    
\&    $VAR1 = {
\&              \*(Aqbar\*(Aq => \*(Aq1234567890000000000000000\*(Aq,
\&              \*(Aqfoo\*(Aq => "\ex{e3}\ex{81}\ex{82}\ex{e3}\ex{81}\ex{84}"
\&            };
.Ve
.SH "SEE ALSO"
.IX Header "SEE ALSO"
JSON::PP, json_xs
.SH AUTHOR
.IX Header "AUTHOR"
Makamaka Hannyaharamitu, <makamaka[at]cpan.org>
.SH "COPYRIGHT AND LICENSE"
.IX Header "COPYRIGHT AND LICENSE"
Copyright 2010 by Makamaka Hannyaharamitu
.PP
This library is free software; you can redistribute it and/or modify
it under the same terms as Perl itself.