Function template write

Function template write_json

boost::property_tree::json_parser::write_json

Synopsis

// In header: <boost/property_tree/json_parser.hpp>


template<typename Ptree> 
  void write_json(const std::string & filename, const Ptree & pt, 
                  const std::locale & loc = std::locale(), 
                  bool pretty = true);

Description

Translates the property tree to JSON and writes it the given file.

	Note
	Any property tree key containing only unnamed subkeys will be rendered as JSON arrays.

Parameters:

`filename`	The name of the file to which to write the JSON representation of the property tree.
`loc`	The locale to use when writing out to the output file.
`pretty`	Whether to pretty-print. Defaults to true and last place for backward compatibility.
`pt`	The property tree to translate to JSON and output.

Requires:

pt cannot contain keys that have both subkeys and non-empty data.

Throws:

json_parser_error In case of error translating the property tree to JSON or writing to the file.