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JSON_XS(1)            User Contributed Perl Documentation           JSON_XS(1)

       json_xs - JSON::XS commandline utility

          json_xs [-v] [-f inputformat] [-t outputformat]

       json_xs converts between some input and output formats (one of them is JSON).

       The default input format is "json" and the default output format is "json-pretty".

       -v  Be slightly more verbose.

       -f fromformat
           Read a file in the given format from STDIN.

           "fromformat" can be one of:

           json - a json text encoded, either utf-8, utf16-be/le, utf32-be/le
           storable - a Storable frozen value
           storable-file - a Storable file (Storable has two incompatible formats)
           clzf - Compress::LZF format (requires that module to be installed)
           yaml - YAML (avoid at all costs, requires the YAML module :)
       -t toformat
           Write the file in the given format to STDOUT.

           "fromformat" can be one of:

           json, json-utf-8 - json, utf-8 encoded
           json-pretty - as above, but pretty-printed
           json-utf-16le, json-utf-16be - little endian/big endian utf-16
           json-utf-32le, json-utf-32be - little endian/big endian utf-32
           storable - a Storable frozen value in network format
           storable-file - a Storable file in network format (Storable has two incompatible formats)
           clzf - Compress::LZF format
           yaml - YAML

          json_xs -t null <isitreally.json

       "JSON Lint" - tries to parse the file isitreally.json as JSON - if it is valid JSON, the command outputs
       nothing, otherwise it will print an error message and exit with non-zero exit status.

          <src.json json_xs >pretty.json

       Prettify the JSON file src.json to dst.json.

          json_xs -f storable-file <file

       Read the serialised Storable file file and print a human-readable JSON version of it to STDOUT.

          json_xs -f storable-file -t yaml <file

       Same as above, but write YAML instead (not using JSON at all :)

          lwp-request | json_xs

       Fetch the cpan-testers result summary "JSON::XS" and pretty-print it.

       Copyright (C) 2008 Marc Lehmann <>

perl v5.10.1                      2008-07-27                        JSON_XS(1)