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doc/source/rainerscript/functions/rs-parse_json.rst
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Rainer Gerhards
doc: clarify JSON array rendering
21 июл 2026, 10:27
21 июл 2026, 10:27
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************ parse_json() ************ Purpose ======= parse_json(str, container) Parses the json string ``str`` and places the resulting json object into ``container`` where container can be any valid rsyslog variable. Note that the **entire** ``str`` must be valid JSON for the function to succeed. If there is trailing data after a valid JSON object/value, it will be considered as an error. Returns 0 on success and something otherwise if ``str`` does **not** contain a valid, complete json string. Example ======= In the following example the json string is placed into the variable $!parsed. The output is placed in variable $.ret .. code-block:: none set $.ret = parse_json("{ \"c1\":\"data\" }", "\$!parsed"); Parsed arrays can be rendered directly with JSON-aware templates: .. code-block:: none set $.ret = parse_json("[\"Content Server\", \"Internet Services\"]", "\$!url_categories"); template(name="out" type="list" option.jsonf="on") { property(outname="UrlCategories" name="$!url_categories" format="jsonf") } This emits ``UrlCategories`` as a JSON array, not as a quoted string.