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jq Cheet Sheet. GitHub Gist: instantly share code, notes, and snippets.

This is a quick reference cheat sheet for understanding and writing JSON format configuration files.

This article provides example jq expressions you can use in the expr parameter. If you're new to jq, you can use these examples as a starting point when writing your own expressions. You can test the expressions using the jq play site or the jq command-line tool.

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jq cheatsheet · Raw · jqcheatsheet.md · jq 'map(.foo)' [ { foo: 1 }, { foo: 2 } ] [1, 2] jq '.[] | .foo' [ { foo: 1 }, { foo: 2 } ] 1, 2 · jq '.[1:2]' [ { foo: 1 }, { foo: 2 } ] { foo: 2 } jq 'map({ a, b })' [ { a: 1, b: 2, c: 3 }, ...] [ { a: 1, b: 2 }, ...] jq 'with_entries(.value |= fromjson)' --sort-keys ·

# Output a JSON file, in pretty-print format: jq # Output all elements from arrays # (or all key-value pairs from objects) in a JSON file: jq .[] # Use jq to pretty-print JSON jq '.' file.json # Filter JSON object by extracting a specific field jq '.fieldName' file.json # Filter JSON array ...

jq is like sed for JSON data - you can use it to slice and filter and map and transform structured data with the same ease that sed, awk, grep and friends let you play with text.

November 10, 2022 - https://stedolan.github.io/jq/manual/ https://lzone.de/cheat-sheet/jq · https://www.youtube.com/watch?v=FSn_38gDvzM · Data Privacy and Digital Sovereignty: Why MEOD Is the Right OpenSearch Choice · Data privacy is more important than ever. As global tensions rise and digital sovereignty becomes a growing concern in the EU, organizations are increasingly rethinking where and how their data is stored.

Cheatsheets · /JQ · Basic operations · Identity operator (.) . Object identifier/index · .name .address.city · Generic object index · .["name"] .address["postal-code"] .["address"]["postal-code"] Array operations · Array index · .car.options[1] .[1] Array/string slice ·

This guide is a supplement to SANS FOR572: Advanced Network Forensics and Analysis. It covers the basics of JSON and some of the fundamentals of the jq utility. The jq utility filters, parses, formats, and restructures JSON--think of it as sed, awk, and grep, but for JSON.

December 24, 2015 - Here we use the -s option, which tells jq to treat the entire file as a single array, and applying its transformation to the array as a whole, rather than applying the transformation to each element individually.

August 5, 2020 - A cheatsheet of common jq commands

March 5, 2018 - $loc Produces an object with a “file” key and a “line” key add Produces the summed elements of the input array any, any( foo ) Produces true if any of the elements of the input array (resp foo ) is true all, all( foo ) Produces true ...

March 16, 2025 - Explore an extensive catalog of in-depth jq quick reference cheat sheet with practical examples

October 26, 2025 - Wrapping multiple json objects into a list is quite easy, just pass them to jq -s.

October 14, 2024 - Beginners article to start analyzing JSON files with jq tool.

Loop over JSON array This example will print all of the values associated with the name key: sample='[{"name":"foo"},{"name":"bar"}]' for row in $(echo "${sample}" | jq -r '.[] | @base64'); do echo ${row} | base64 --decode | jq -r '.name' done Resource: https://www.starkandwayne.com/blog/bash-for-loop-over-json-array-using-jq/ Get object based on value of JSON variable jq '.[] | select(.location=="Stockholm")' json { "location": "Stockholm", "name": "Walt" } { "location": "Stockholm", "name": "Donald" } Resource: https://stackoverflow.com/questions/18592173/select-objects-based-on-value-of-variable-in-object-using-jq Get keys of object jq 'keys' blob.json Get values of array object jq '.[] | values' blob.json

jq JSON Cheatsheet · Edit on GitHub · jq is like sed for JSON data · jq Manual (development version) JSON - Introduction · JSON Schema enables the confident and reliable use of the JSON data format. JSON Online · $ sudo dnf install jq # Fedora $ brew install jq # MacOS $ winget install jqlang.jq # Windows $ winget upgrade jq -s winget # Upgrading on Windows ·