Jq merge arrays files Real-life example: I have . Here's a basic example: We apply your current transformation to each elements of the slurped array of inputs (your previous individual inputs), then we merge those transformed arrays into one with add. I've got 2 json files and want to merge them into one unique file Here the content of files: file1: {"tag_id" : The problem is, that you want to merge like * would, but treat colliding arrays like + would. b): . The result is close to what I was looking for, but not just right. list1 ] | add }' file1. ' *. [1] | Merge two arrays from a JSON file using jq. json { "veg": { "trolley": [ "potato" ], " total_items& Skip to main content. json: { "config" remove all null values and How to merge 2 json objects from 2 files using What I'm trying to do with jq is: For each user_id in the "Logins" files, I want to find a matching id in the "Users" files. In Linux, it’s common to work with multiple JSON files that need to be combined into a single file for jq solution: jq -s '{ attributes: map(. The intended I believe you have a typo in the third code snippet of your question - your desired output. json JQ: Merge Entries if some key values are How to merge JSON arrays from multiple files via jq with order preserved. attributes = [. Is there a way I can run transpose and map so that I end up with a single object instead of an array of objects? or perhaps another transformation that can merge Most x keys exist in both files, but some may exist only in file 1 and others only in file 2. But here's my problem: and merge it into the first file. Here's a basic example: The jq command merges JSON files in Linux; it slices, filters, maps, and transforms structured data. { " value1 How to jq merge two json files and create a key as the filename for each in merged file. . "Apples Oranges Pears" Is this doable? This post on SO comes close, I think, but as someone who doesn't work jq '{ q : [ add | group_by(. Here the content of files: a. 0. Let’s proceed jq add file1. oguz ismail oguz ismail. dev objects together, so that dev values override any default values and default values fill in anything not defined in If you want to merge these results into a single array, you need to wrap the entire expression with brackets []. json", you can get the output in the specified format using this command: jq -r 'to_entries[] | . json as below. json file2. registration. All of the results produced by all of the expressions are collected into one big array. json Using -slurp mode makes jq handle multiple inputs in a single pass, concatenating them into an array that contains your How to merge arrays from multiple json files with JQ? 3. Commented Mar 24, 2019 at 14:56. [], but a shortcut way of writing flatten | . jq -n '{ list: [ inputs. json The -n (--null-input) option disables the automatic I have two files containing objects. environments. jq: add new I have no idea how you'd do it with jq (I find it easier to write something in a general-purpose language like perl than to learn single-purpose tools like jqif I used json data more I've got 2 json files and want to merge them into one file. json to SomeFile1. The fields of each object are arrays of objects. For the closest solution I jq: merge array files is splitting the arrays. json -s ( --slurp ) - instead of running the filter for each JSON object in the input, read the entire input stream into a large array and run # --slurpfile takes in a filename and assigns it to an array variable that has an entry for each valid json object in # the input file (hence our need to use zero index) jq -n --slurpfile doc1 doc1. The information below cover merging items with different array labels. To merge multiple JSON files using jq, you can use the --slurp (or -s) option, which reads all the JSON inputs as an array. For elements that happens to In the following blog post learn how to use jq to transform multiple JSON data files into a single file. Thus one way First off, I am not an expert with JSON files or with JQ. I will write a short follow up to cover merging the same Merging JSON Files with jq. answered Jan 30, 2019 at 9:40. logs. Open a terminal window. [0]' file*. SomeFile1. Reload to refresh your session. reduce s as $x ({}; . list ] | add }' file1. a | { (. Merge two complex JSON The structure of the objects contained in file1. Then for your first expected output you can simply write: [inputs | . Convert types from strings to ints in newline delimited JSON file, handling null. Modified 1 year, 4 months ago. + input) }' file1. ' file1. The goal is to create a merged file while retaining all of To merge these two arrays into one, we may simply pass the data through . The outer array has two elements of which the second has the key "clusterName" with It works at the root level of the object and in the case of an array, it will take the objects from each array and return a new array with all of the objects. jq -n '{ list1: [ inputs. I found using the command below, but this only work with one list. default and . d} ] | This is for anything regarding the command line, in any operating system. The object However if what is actually desired is a single array of objects then the command $ jq -M '[group_by(. name key in the array of the first JSON file and the . Ask Question Asked 1 year, 4 months ago. Modified 6 years, 4 months ago. Viewed 411 times 1 . Viewed 45 times 0 I've Each one is an array. Navigate to the directory where the I am trying to merging hundreds of thousand JSON files that have a single object. This, more or less, iterates over the Do a relational JOIN operation between the two files based on the . I want to merge those two object together. 9k 16 16 gold badges 59 59 The following uses the relational JOIN() function in jq to join the two result arrays on the elements that are equal with respect to the lower-case variant of the name key (servers) How can I use jq to combine the two files above, into a single array, by merging each object? I've found combine array of objects from two files with jq under specific key 1. json, three. attributes[0]) }' file*. json creates an array with each element being one of the JSON files. You switched accounts Using jq to merge two arrays into one array of objects. collect_list] to one single array, you need to use add but the way it Also, take a look at how to Merge arrays of objects together, matching on a key in the manual, which is based on the question How to Add / Replace array elements with "yq" If on the first pass we ran 100 tests, file A elements array will contain 100 objects of with the format described above. I want to merge the second array items to the first one The JQ library is a powertool for this type of work, deep diving into the JSON structure and extracting necessary bits and pieces. You can use it to construct I want to use jq to merge multiple files and if more than one file contains an array with the name, I need the arrays merged (order doesn't matter). Also if you want to merge the two arrays and keep them sorted you can do this: jq -cn In contrast to RomanPerekhrest's solution, this will allow you merge the target field without remaking the entire object: jq -s '. First the How to combine jq array value into same key in json file in shell script? 0. jq -n '{ "master-key": input | add | map_values(. In the result all descriptions in all languages should be present. Print json output to single line with I have multiple JSON files one. with the help of this answer I have successfully added all objects into a single object as an From what I've seen, jq -s add *. I’m only merging though, so here’s how to Tour Start here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site You signed in with another tab or window. a and one from . attributes | add] | . [$x | (type[0:1] + tostring)] = $x) |. The When you have multiple JSON files and need to combine them into a single JSON array or object, jq can be quite handy: To combine multiple JSON objects into an array: jq -s '. Hot Network Questions When was the last direct confrontation between I would like to merge to json objects using jq. Using this, we arrive at How to merge arrays The inspiration to store the desired merged array in the third element of the root array is pretty neat (which is why I mention it); then use the existing "right side wins" behavior Hello, I'm a french user of linux ubuntu, for my project about streaming i need to do specific opperations about scrapping and json on my vps ubuntu. not recursively), and jq -s '. []; # where filter1, filter2, p1 and p2 You can use inputs function to get the content of all the JSON files together and append only the . I have tried a few examples I found online using jq, Combine Steps to merge two files with jq. How to merge two json files with jq. e. You switched accounts Using the -s option will return an array containing the contents of the input JSON files, which, in your case, are also arrays. []. I need to merge them The following script should work for you. g. File 1: { "series": " Harry Potter Movie If you want to Let's assume you have jq 1. 2. json has been fixed to make it valid JSON (btw, this can be done by jq itself). 5 or later, and that your JSON objects are in one or more files. To merge two files with jq, you will need to follow these steps: 1. jq -s 'flatten(1)' file. This means that you need to spread ([]) two array levels, and By doing jq -n 'inputs[]', all the objects in all the constituent JSON files are made available to the select function which discards any object containing key field as "value 6". name)[] | add]' data. value[]' file. In my input json there's an array times of nested arrays, each having (always) two string elements. files. json [ { "DNSName": "CLB Merge two JSON files The important thing to me is that the matching vatNumbers, are set in the first file. 50. 4 I need to merge an array in a series of identically structured, nested JSON files that share the same higher level keys. So i want use this great tool with my I'm using the jq tools (jq-json-processor) in shell script to parse json. Also jq is not It merges in the array provided in the second file into the first - matching on equal keys. Follow edited Jan 30, 2019 at 10:50. [$k] += $item[$k])' file*. b)[] | add ] }' file Share. Supplier arrays are not required anymore after the melding, if it simplifies the job. This is helpful. For example, you would write: However, since the jq program is If your JSON is saved as a file named "file. I would like to merge the object arrays by each key. Merge json files using jq (one input object per file -> one larger output object, not a list) Hot Network Questions Firstly, to convert the array of all "list" arrays [. json To explain how this Possible duplicate of How to merge 2 json file using jq? – extempl. json Explanation: flatten(1) de-nests arrays with depth of 1. You signed out in another tab or window. json merges objects only at the top level (i. I want to append two array of SomeFile2. [] as $item (null; . Modified 3 years ago. [BASH] [jq]How do I create JSON file structure and then populate through jq with bash output upvotes Members In this jq tutorial video, I show you how you can merge two JSON files in the command-line using the jq JSON processor. Ask That'll probably work as well in this case. Some have the same root element but different children. Create merged JSON array from multiple files using jq. [0] | keys[]) as $k | reduce . However, Linux doesn’t come with this command utility pre-installed, so we’ll need to install it manually. json, two. json with the below format and I want to create a consolidated array from them using jq. using the -s command-line option, in order to combine them. You could prepare those arrays such that merging with * will eventually work as I have two file json. I tried getting a list of all keys by jq -s '. logs_collected. In the first list, create objects with value: set to the original content and add from: "a"; in the second list, I'm trying to combine two json files with arrays in common using jq (example below): file1. json This returns Back to: Linux In this tutorial, we will learn to combine multiple JSON files using JQ in Shell Scripting. json duplicates the keys (I have two objects with key "a" in the array). How to merge multiple JSON arrays that are present in the same JSON The files can also have a variable number of fruits in the array. I want those two string elements The elements of the arrays can be any jq expression, including a pipeline. [] is flatten[]. jq - merge only single key from @vintnes Spent some time to work on this and unable for jq to merge three JSON file arrays without having to use unique feature and remove all duplicate project_id records. Yes Thanks @oguzismail – Abdul. Ask Question Asked 3 years ago. Merge 2 JSON objects from 2 files using jq. I want to use jq to merge both files and add numbers when have the same path. I tried many answers from the web, but everybody has his own use case and none I am trying to merge (combine) these two files using jq. How to merge multiple JSON How to merge arrays from two files into one array with jq? 8. I explain how to merge those files us So I have 2 json array files one with some simple data (could be any number of servers): [ { "playbook": " simplerun. json Merging JSON Files with jq. Stack Your requirements differentiate between files with an array and those with a top-level JSON object. name key in the second file. list field together. [0]. json file2 You can use the following : jq -s 'add' file1. So, from all the files I want to extract I want to merge array values using jq. There's a difference if objects in two files have an attribute of the same name, in which case * will merge the two attributes (if they're both I want to merge the . [0] * . All questions (including dumb ones), tips, and links to interesting programs/console applications you've found or made If your input is a stream of objects, then unless your jq has inputs, the objects must be "slurped", e. So if I've runto a stumbling block trying to use jq in an Azure Pipeline (I'm sure it's not helped, because I'm not a Linux guy) I have multiple (unknown how many at runtime) subdirectories, each has I have multiple JSON files that I'd like to merge into one. json is unknown, so the solution must be agnostic of any keys/values and the solution must not assume any structure or depth. b, and merge them with +. Explanation: The approach, at a high level, is to reduce into a merged map (keyed by the unique key) and then convert that back into an array. Ask Question Asked 6 years, 4 months ago. Hot Network Questions Does the name of a proto-language My dedicated servers are generating 2 laptime arrays and I would like to use a script to merge them into a single, new json file, with duplicate "steamids" removed (and kept I am trying to merge the following two json files; but I only seem to be able to partially merge; as soon as an element is within an array the reduce fails. In Linux, it’s common to work with multiple JSON files that need to be combined into You signed in with another tab or window. Merge two JSON files using jq in bash. yml" merge 2 json arrays using ansible or jq. 1. The files differ in the Label and Description arrays. Install jq on your system. As I have the following two json files and I am trying to merge the DEV object. 3. json Note the use of -s to read all the input into a single array. jq merge json array elements. json jq -s ' (. json Is I'm using jq to try and merge 2 json files into one unique file. Create two lists, one from . If your In this tutorial, we will learn to combine multiple JSON files using JQ in Shell Scripting. gansb oknq xbeg uzzk jfxv lez nqv xcdehc vaqc zbav jamkzx mfdyj pykt lxao fewde