jello

all

A JSON processor using Python syntax.

Examples (7)

Pretty-print JSON or JSON-Lines data from `stdin` to `stdout`

cat file.json | jello

Output a schema of JSON or JSON Lines data from `stdin` to `stdout` (useful for grep)

cat file.json | jello -s

Output all elements from arrays (or all the values from objects) in JSON or JSON-Lines data from `stdin` to `stdout`

cat file.json | jello -l

Output the first element in JSON or JSON-Lines data from `stdin` to `stdout`

cat file.json | jello _[0]

Output the value of a given key of each element in JSON or JSON-Lines data from `stdin` to `stdout`

cat file.json | jello '[i.key_name for i in _]'

Output the value of multiple keys as a new JSON object (assuming the input JSON has the keys `key_name1` and `key_name2`)

cat file.json | jello '{"key1": _.key_name1, "key2": _.key_name2, ...}'

Output the value of a given key to a string (and disable JSON output)

cat file.json | jello -r '"some text: " + _.key_name'