Jq Cheatsheet

jq is a lightweight command-line JSON processor that lets you filter, transform, and manipulate JSON data with a simple yet powerful syntax. These basic operations form the foundation for working with JSON data in jq.

JQ provides powerful operations for working with JSON arrays. You can extract specific elements, slice arrays, transform elements with map, filter arrays based on conditions, flatten nested structures, group elements, and sort arrays.

jq provides powerful tools for manipulating JSON objects. You can create new objects, merge existing ones, delete or rename keys, transform object structures, extract keys, and convert objects to arrays.

jq provides powerful functions for transforming JSON data through string manipulation, number operations, conditional logic, and custom functions. These transformations can be combined in pipelines to process complex data structures efficiently.

jq offers various options to control how input is processed and output is formatted. These options help customize the appearance of JSON output, handle errors gracefully, and process files efficiently.

Advanced jq filters enable complex JSON traversal and transformation using recursive descent, parent/sibling references, and alternative paths. These powerful techniques help you navigate complex JSON structures with precision.

jq supports streaming mode to process large JSON files efficiently without loading the entire file into memory. This is crucial when working with gigabytes of data or continuous streams of JSON records.