json_path_exists: Does the path exist?

In jsontools: Working with JSON Vectors

Description

Does the path exist?

Usage

json_path_exists(x, path)

Arguments

x	A JSON vector.
path	Path to element. This must be a valid JSONpath expression. For example "$.a.b[0] extracts the 1 in {"a": {"b": [1, 2]}}.

Value

A logical vector.

Examples

json_path_exists(
  c(
    '{"a": 1}',
    '{"b": 2}',
    "[1, 2]",
    NA_character_
  ),
  "$.a"
)

jsontools documentation built on March 22, 2021, 5:06 p.m.