jqr_core: JQ Streaming API

In jqr: Client for 'jq', a 'JSON' Processor

JQ Streaming API

Description

Low level JQ API. First create a program using a 'query' and 'flags' and then feed pieces of data.

Usage

jqr_new(query, flags = jq_flags())

jqr_feed(jqr_program, json, unlist = TRUE, finalize = FALSE)

Arguments

query	string with a valid jq program
flags	See jq_flags
jqr_program	object returned by [jqr_new]
json	character vector with json data. If the JSON object is incomplete, you must set 'finalize' to 'FALSE' otherwise you get an error.
unlist	if 'TRUE' returns a single character vector with all output for each each string in 'json' input
finalize	completes the parsing and verifies that the JSON string is valid. Set this to 'TRUE' when feeding the final piece of data.

Examples

program <- jqr_new(".[]")
jqr_feed(program, c("[123, 456]", "[77, 88, 99]"))
jqr_feed(program, c("[41, 234]"))
jqr_feed(program, "", finalize = TRUE)

jqr documentation built on Nov. 20, 2023, 5:07 p.m.