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JSON_PP(1) Perl Programmers Reference Guide JSON_PP(1)

NAME

json_pp - JSON::PP command utility

SYNOPSIS


json_pp [-v] [-f from_format] [-t to_format] [-json_opt options_to_json1[,options_to_json2[,...]]]

DESCRIPTION

json_pp converts between some input and output formats (one of them is JSON). This program was copied from json_xs and modified.
The default input format is json and the default output format is json with pretty option.

OPTIONS

-f


-f from_format
Reads a data in the given format from STDIN.
Format types:
json
as JSON
eval
as Perl code

-t

Writes a data in the given format to STDOUT.
null
no action.
json
as JSON
dumper
as Data::Dumper

-json_opt

options to JSON::PP
Acceptable options are:

ascii latin1 utf8 pretty indent space_before space_after relaxed canonical allow_nonref
allow_singlequote allow_barekey allow_bignum loose escape_slash indent_length
Multiple options must be separated by commas:

Right: -json_opt pretty,canonical

Wrong: -json_opt pretty -json_opt canonical

-v

Verbose option, but currently no action in fact.

-V

Prints version and exits.

EXAMPLES


$ perl -e'print q|{"foo":"a~XXa~XX","bar":1234567890000000000000000}|' |\
json_pp -f json -t dumper -json_opt pretty,utf8,allow_bignum

$VAR1 = {
'bar' => bless( {
'value' => [
'0000000',
'0000000',
'5678900',
'1234'
],
'sign' => '+'
}, 'Math::BigInt' ),
'foo' => "\x{3042}\x{3044}"
};

$ perl -e'print q|{"foo":"a~XXa~XX","bar":1234567890000000000000000}|' |\
json_pp -f json -t dumper -json_opt pretty

$VAR1 = {
'bar' => '1234567890000000000000000',
'foo' => "\x{e3}\x{81}\x{82}\x{e3}\x{81}\x{84}"
};

SEE ALSO

JSON::PP, json_xs

AUTHOR

Makamaka Hannyaharamitu, <makamaka[at]cpan.org>

COPYRIGHT AND LICENSE

Copyright 2010 by Makamaka Hannyaharamitu
This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself.

POD ERRORS

Hey! The above document had some coding errors, which are explained below:
Around line 114:
This document probably does not appear as it should, because its "=encoding utf8" line calls for an unsupported encoding. [Encode.pm v?'s supported encodings are: ]
 
Couldn't do =encoding utf8: This document probably does not appear as it should, because its "=encoding utf8" line calls for an unsupported encoding. [Encode.pm v?'s supported encodings are: ]
2025-05-13 perl v5.32.0
Copyright 2011-2025 Jonas 'Sortie' Termansen and contributors.
Sortix's source code is free software under the ISC license.
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