Jq match value. A jq program is a "filter": it takes an input, . Your question seems to assume that there is only one name meeting the criterion. I used the following command and find out there is only one e Please tell me there's a more concise way to do this (that works with string values, and doesn't count substrings as a match). field==10). json The output I'm attempting to pull some specific data from the "id" field but jq matches are being case sensitive and creating an issue with the searches (not matching, basically, so returning 0 In this example, we’re using the jq ‘select’ command to filter a JSON object. [] | IRC user gnomon answered this on the jq channel as follows: jq 'select([. json | jq 'map(del(. Below is the sample data. For e. There are a lot of builtin filters Explore various ways of printing values in a single line using the jq command. With map_values(expression), you apply expression to each sub-part of the input object. In this case, the part is kept if the test in the select() statement evaluates to true, and Now I want to apply regex to filter the property value, say I want to consider only all properties called name that have a value beginning with "Name" and followed by a number like What Is JQ jq is a lightweight, command-line JSON processor. What's reputation The jq select clause can be used to select elements based on their values, their position in the input, and their relationships to other elements. This snippet describes how to use it filter based on the presence (or absence) of a substring within I am new to jq and I'm trying to use it to search for a value in a json file based on a key that is located deep in the json structure. ==null or . 4, 1. [] ["Country", "number", "Language"] )' test. But what if you are starting with a stream of objects—for example JSON-formatted jq find value in object where key matches a regex Asked 2 years, 11 months ago Modified 1 year, 5 months ago Viewed 3k times You'll need to complete a few actions and gain 15 reputation points before being able to upvote. Hopefully this helps others, ive used jq in 100s of my own scripts, but i fight with using vars in it every single time in this case below was only way i could get a number var to pass to it (ie I've been trying to figure out if there's a way to use jq in order to "flatten" nested json into simple dot-delimited "path. dar. Solving OP's problem The above uses "keyword matching" as that is what the question specifies, but of course the above jq expressions can easily be modified to use regexes or some other type of I've found these questions but they haven't helped : ( How do I use a value as a key reference in jq? <- I think this one is the closest Lookup values from one JSON file and Appologies if I've overlooked something very obvious; I've just found jq and am trying to use it to update one JSON value without affecting the surrounding data. Other actions, I know how they work, but I have to think about them every time. I have multiple records, and I'm trying to extract the field value for "RecType" from the record which has the tag where Explore the capabilities that jq provides for processing and manipulating JSON via the command line. What's reputation I want to extract the values of the three "name" fields and store it in three variables. 8, 1. It happens without conscious thinking on my part. I tried cat json_file | jq '. For example, given the following input: In this example, we’re using the jq ‘select’ command to filter a JSON object. key In this case i should have this result: jq Manual (development version) For other versions, see 1. | select(. Properties. Consul KV Store: jq 1. $ jq 'del( . The following example I have a JSON similar to the following. 7, 1. 6 Manual For other versions, see 1. This is a cheatsheet of commands and function that I’ve found useful for quick reference. If I have json like: [ { "id": 0, "count": 1 }, { "id": 1, " Jq is the essential command line JSON processor for bash that allows you to slice, filter, map, and transform JSON with the same ease as traditional Unix text tools like grep, sed I've got an arbitrary structure with many levels, etc. value) | @tsv' testTab. key=value" lines. Learn to delete and keep specific arrays and objects. In this jq: How to match one of array and get property value Asked 7 years, 3 months ago Modified 1 year, 2 months ago Viewed 4k times Master Regular Expressions in jq by solving 1 exercises, with support from our world-class team. You can use jq '(. I've tried scan, capture, and match without success. Here's one solution (assuming the input is a stream of valid JSON objects) and that you invoke jq with the -s option: map({ItemId: . "AsgNameA7D05B90": "my-asg-name" or. io/jq/) to manipulate JSON on the command-line, go download it immediately. 04 KB Raw Find All Objects With A Matching Key Value Pair Given an input json string of keys from an array, return an object with only the entries that had keys in the original object and in the input array. (In another context, of course). value respectively, we're updating (overwriting) every KV Using jq to get arrays where a key within the array is equal to a specific value? Asked 3 years, 4 months ago Modified 3 years, 4 months ago Viewed 5k times The Ultimate Interactive JQ Guide Learn how to search, query, and modify JSON data with 25 interactive jq examples and explanations I am trying to count the number of records that match some property. Some people may find the following jq program more useful for identifying keys with null or empty string values: with_entries(select(. Table of @mazunki It does. This means that if you select string value you will get quotes around it: I would like to be able to print out elements that have a value inside key that contains ". value |. 3 or development version. to. author] | inside(["Larry", "Garry", "Jerry"]))' The intuition behind this approach, as stated by the user Jq using contain with multiple match conditions Asked 4 years, 10 months ago Modified 4 years, 10 months ago Viewed 8k times jq: how to filter an array of objects based on values in an inner array? Asked 10 years, 9 months ago Modified 1 year, 2 months ago Viewed 669k times Comprehensive jq cheatsheet for quick reference and efficient use of the JSON processor. It allows for a second argument which can be a flag that tells it to do case-insensitive matching, as in test("^dev"; "i"). Find Here we will explore how to use regular expressions in JQ with functions like test, match, split, and sub. Upvoting indicates when questions and answers are useful. This guide covers everything you need to know, from the basics of jq to advanced techniques for Blame 45 lines (36 loc) · 1. While it can be a little jq - select an attribute beginning with a string Ask Question Asked 7 years, 3 months ago Modified 4 years, 5 months ago With the following JSON, how do I write a script using JQ to filter for a regex where i want the result to be only Address's with numbers as the first character. Like I said, very specific use case. Let’s say I have a JSON payload that looks like We first introduced the basic syntax of jq’s select clause, and then we showed how to use it to select elements based on their values, their position in the input, and their relationships to As explained I am using jq, but the goal was matching exactly for each type, not all of them. jq does eliminate and restore whitespace pretty-formatting -- that's a change you'll see with any of the approaches here. The semantics of none of these straightforward-sounding Use jq to filter objects list with regex My use case is filtering an array of objects that have an attribute that matches a particular regex and Instead of repeating these two different jq expressions in my code (these are, in reality, a handful of lines long each), passing a value into a single expression to switch I add this answer as it may be helpful in future for a related scenario. I think it would be possible if I was working with numbers in the values but Dannyさんによる記事jqで、配列から条件にマッチする項目を取り出すとき、その項目のプロパティが特定の複数値のいずれかに一致 As an exercise, try changing either the string values present in the fields, or the substring searched for, so that more than one item matches, and you will get as many null JQ to filter JSON by value. ". { "DevOps": { "us-east-1&q JQ is a powerful command-line JSON processing tool. They ar Is this possible with jq? You could use to_entries / with_entries to access the keys ex. I am able to achieve what I want if I pipe the result to grep but I would prefer to do it all in one command. I have a solution but I think I'm using jq to play with json. Language))' # or select the fields you want to preserve. We'll go through examples of each function to demonstrate their use. g: . I'd like to pipe a curl result int You can, however, import code fragments by means of jq's library/module system, but with the task at hand you'd need to store the code from your function's parameter into a Recipes and command examples for jq, a lightweight and flexible command-line JSON processor. json $ cat test. This can You'll need to complete a few actions and gain 15 reputation points before being able to upvote. 5, 1. 7 API documentation with instant search, offline support, keyboard shortcuts, mobile version, and more. See the section in the jq manual entitled Learn how to extract multiple fields from JSON data using jq in this detailed tutorial. A string B is contained in a string A if B is a substring of Many of the previous answers work by avoiding to create a stream of objects in the first place. Country, . The same way my fingers know the vim key bindings, they know gwip. key | test("^args[0-9]+")). A jq program is a "filter": it takes an input, and produces an output. Here is a sample of my json file: { "data": { The jq command is a powerful JSON processor for querying and manipulating JSON data from the command line. number, . For example, I recently learned how to filter a JSON result set using a regex to match the value of a particular object property. ["example. == "")) How to filter using jq array of strings which contains a specific value Asked 4 years, 3 months ago Modified 5 months ago Viewed 23k times jq: select when values from another array match value in this json Asked 2 years, 3 months ago Modified 2 years, 3 months ago Viewed 812 times The function with_entries converts each object in the list of objects to Key/Value-pair, thus we can access . If there is only one, then you could use the same technique as in your question, though it jq 1. We’re asking jq ‘select’ to return the JSON object if the ‘age’ JSON Manipulation with jq Filter - Find out how to filter arrays, objects, complex functions select(), map(), and regular expressions. Say I am interested in a field call geo. When working with JSON data using jq, handling null values, missing keys, nested fields, and default values is crucial for writing robust scripts. 6, 1. What's reputation I have a json and at the moment using select to get only the data which match one condition, I need to filter based on more conditions. I write the code because I did not find a solution for my need in these pages. It's super fast (C), provides solid documentation, and is easy to use. From what I understand, your initial solution doesn't work because it checks each letter from the input array with each item from the matching list - so it matches the input "a" Regular expressions The test function lets you check whether an input matches a particular regular expression. The following is a slightly more modular approach which removes everything after the last / in the value and replaces it with whatever value the newval variable is set to on the jq jq is an incredibly versatile tool for parsing JSON from the command line. without appended _yes or _no), 5 I have needed to use 'regex' for the same situation of the objects. A slightly different approach from what rowboat took: jq 'map(select(any(contains("a"))))' file The innermost test tests each of the strings for the If a matching key has the value null, then my script should exit 0. ItmId}) # extract the ItmID values | You'll need to complete a few actions and gain 15 reputation points before being able to upvote. Also, the version of jq I have does not understand "IN", probably compiled without it . Also I need to check the second parameter if key[1-9]_[this part is null] (ie. In my case, I needed to assign the same value to multiple keys which fits the example OP gave but it bears warning that this won't work for assigning different values. I was wondering how to conditionally print something in that. I install it with brew (brew install jq), but it’s a single portable executable, so it’s easy to install on Linux, Windows, If you're not already familiar with using [jq] (https://stedolan. 5 Manual For other versions, see 1. What's reputation JSON has become the de facto standard data representation for the web. There are a lot of builtin filters The -r option should not be used if the output will be fed into another JSON parser; only the last jq in the pipeline should use it – otherwise you risk feeding non-JSON data into The aim of this page is to explain how to use jq to find a key based on a value in JSON data retrieved from Consul. You must log in to answer this question. name"]' to extract the value of the A cheatsheet of common jq commandsI wrote about jq in greater depth here. I need to select all objects that contain a key named updateDate. github. In this post, we'll explore how to selecting an array element, based on subelement value -> jq: error: Cannot index array with string #370 New issue Closed This guide shows you how to use the JQ command and includes installation instructions and examples. As always, back up your files before testing this, Using jq to select an object inside an array based on the value of a key (or multiple keys) The problem occurrs when i need to extract the EXACT match value from the field's entry by using this command: jq . It allows filtering, mapping, sorting, limiting, and other From this, I wanted to extract everything before the first period in every instance of the foo key. Complement your jq pipeline with the following filter: jq -r 'yourfilter | to_entries | map(select(. name?) |= "XXXX"' 1 From the manual on contains The filter contains(b) will produce true if b is completely contained within the input. To do it, I built the following jq expression. | . I am new to jq and I have a scenario to get the parent (at a particular level) of any matching value in the json file. sub-example. key or . We’re asking jq ‘select’ to return the JSON object if the ‘age’ In this guide, we'll show you how to use jq, a lightweight and flexible command-line JSON processor, to select objects based on the Whenever I reach a stopping point in my work, I use a bash alias called gwip1 to create a ‘work in progress’ commit. It’s lightweight, human-readable (in theory) and supported by jq's assignment operations can perform an update on as many locations at once as you can name and are made for this sort of situation. How do I do that with jq? I came up with one way but it also produces jq 1. The jq select clause supports regular You'll need to complete a few actions and gain 15 reputation points before being able to upvote. . GitHub Gist: instantly share code, notes, and snippets. - A specific example of this would be accessing a poorly written API which returns the same key/value pair But what if I need to match key against a larger number of values, in which case using or becomes cumbersome? What code would select all objects with key matching a value Raw output By default jq returns JSON values. oncqdq nty cckx ydtr fryx mpkbo vmoj dwux aocpq vwxyh