Package Exports

jsonfilter

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Readme

jsonfilter

Streaming JSON filtering on the command line.

Works great for JSON datasets that are too big to JSON.parse() or for situations where you want to start reading data immediately.

usage

Pipe JSON data to stdin!

jsonfilter <filter>

filter is a string to 'query' your JSON with.

Matches will be printed as Newline Delimited JSON (NDJSON)

some examples:

rows.* matches any child elements of rows, e.g.:

$ echo '{"rows": [ {"this object", "will be matched"}, {"so will": "this one"} ]}' | jsonfilter "rows.*"
{"this object", "will be matched"}
{"so will": "this one"}

rows.*.doc matches all children of rows with key doc, e.g.:

$ echo '{"rows": [ {doc: {'this object': 'will be matched'}, foo: "bar"} ]}' | jsonfilter "rows.*.doc"
{'this object': 'will be matched'}

rows..doc recursively matches all children of rows and emits all with key doc, e.g.:

$ echo '{"rows": [ {"foo": {"bar": {"baz": {"taco": {"doc": "woo"}}}}} ]}' | jsonfilter "rows..doc"
"woo"