Jq combine objects by key. jq - Combine data from different keys.

Jq combine objects by key dev objects together, so that dev values override any default values and default values fill in anything not defined in the dev object. It seemed that the tool jq could be offering the perfect solution, but I'm really struggling with the right choice / chain of filters. file1. These functions convert between an object and an array of key-value pairs. [1]' file1 file2 Important: Note the -s (--slurp) flag, which puts files in the same array. []]' does the trick. I have two files containing objects. json { " key-1 " : 123, " key-2 " : 345, " key-3 " : 456, May 26, 2023 · Merging objects in jq is handled natively since 1. Jun 16, 2016 · Your params almost looks like key/value entries, so you could create an object out of them by passing the array to from_entries. The [. " Dec 10, 2020 · jq - merge only single key from second JSON file into main JSON file. jq filter to aggregate into an object's property. , not strictly valid as JSON), then you could use a command-line tool such as any-json, json5, or hjson to convert them to JSON Apr 12, 2017 · The following jq function combines an array of objects in the manner envisioned by the first part of the question. Use jq to convert an array to an object by non-unique keys. For each object having an assignment/import I would like to extract all roles of the corresponding assignment-role/create (objects having an assignment-role/create and whose assignmentName equals the name of the corresponding object having an assignment/import) and add these roles to it. The -s flag reads input. jq select objects that have specific value in nested json bash. Mar 9, 2022 · jq provides “object multiplication” feature: jq '. Now I want to filter out some objects during merge if a specific field or parameter is duplicate. The output of tostream will have all the parents and key for each value. json If there may be more than two arrays you need to merge in the file, you could instead use flatten to concatenate all of them. function merger_objects(obj1,obj2){ $. Accounts[] | . The expected output is a single json that contains a list of the combined objects in list form. Test case below This is for anything regarding the command line, in any operating system. jq - Combine data from different keys. Share. Related. Using the data below I cannot make a flat 5 key output. environments. ubuntu)}' ubuntubionic. listB | group_by(. json If you want the keys sorted alphanumerically, you can use: Oct 16, 2023 · I want to merge two JSON files, where the objects in the base file (A) are augmented by matching objects in file (B), but not overwritten where A and B have different values for the same key. json: Jun 10, 2020 · The problem: I have N numbers of arrays of objects with the same identifying key within objects, and I'd love to merge those with jq. ) (emphasis added) But changing the + operator to Mar 30, 2018 · A simpler way to get three objects is jq '{(. You signed out in another tab or window. , "Quiet":false}' - Oct 7, 2023 · 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 '. Given a file named example. list1 ] | add }' file1. input. slug)}: . Aug 3, 2020 · The following script should work for you. – chepner Feb 2, 2022 · I'm attempting to generate a . json, you can run: jq -s . key): . Second run to merge tenant owner names into complete master JSON file3. extend will change the values of your existing object. amount}) | add ' my-data. , that the length of the resulting array should be the greater of the two input array lengths. json, merging the two objects can be completed using: Output: Jan 17, 2013 · jq's + and add functions (+ takes two arguments, add takes an array and adds them all up) can merge objects. I thought that something as simple as. Jul 29, 2024 · I need to merge two json objects by key value in a bash script: It is necessary to find by key (MAC address) the corresponding object (value) and add to its pairs the key: value pair of another obj May 29, 2024 · The JOIN() function expects an index computed for the left join data set, a data stream of objects representing the entries of the data set we're joining with, an expression that picks out the key from the elements we're joining with, and an expression that creates resulting objects from joined pairs. Merge objects using jq. ' *. Featured on Meta Sep 24, 2020 · Merge 2 JSON objects with jq. []' strips the extra level of list that was added. entity. default * . * * @param {string[]} keys - List of keys corresponding to their accociated values. Aug 9, 2021 · 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 often, it would probably be worth my time to learn more than its most basic uses), but it's pretty easy with perl's JSON module. Handling invalid JSON. So you end up with an array of arrays that you can merge with reduce. Oct 11, 2018 · Modify the filter to update the data key of the top-level object: . [inputs] glues the multiple results into a single list and the '. That along with map around the select. Nov 9, 2015 · Well, the online jq player helps to investigate, but the attached examples there and in manual are mostly to simple to fully understand jq behaviour. name fields are the same and the additional data added: Mar 18, 2016 · The implementation of group_by/1 requires a sort, so here is an alternative approach that uses a generically useful filter, addvalues, that does not require any sorting. guid}' input. Getting all results on the same array. Here’s a simple example: 3 days ago · jq 'sort' Sort an array of objects: jq 'sort_by(. If the objects have the same keys, you can use the to_entries, transpose, and from_entries functions to split the objects into key-value pairs, transpose them, and combine them again. In the example below, the values of the "employee. JSON input: [ { "type": ";apple", "results& Nov 3, 2016 · JQ: Merge Entries if some key values are identical. Below is a simple JSON format with a single object and key-value pairs: { "id": 12345 Apr 3, 2018 · Thanks to @peak for his answer! Just want to add, Creating a blank json file: echo "{}" > config. Instead, this directly iterates over the initial object using reduce and imediately sets all the fields accordingly if the key followed the space-separated role-key pattern. As the keys upon to match are different, I further assumed that you want to match the field name from the . Apr 8, 2015 · because the in operator checks key from an object only (or index exists? from an array), here it has to be written in an object syntax, with desired keys as keys, but values do not matter; the use of in operator is not a perfect one for this purpose, I would like to see the Javascript ES6 includes API's reverse version to be implemented as jq Apr 20, 2020 · If i have two json files, how can I combine the objects using powershell? I would like the values in the second file to supersede the values from the first object. All questions (including dumb ones), tips, and links to interesting programs/console applications you've found or made yourself are welcome. 5. var g = [ { id: 36, name: 'AAA', goal: 'yes' }, Nov 29, 2017 · Combine lists by object key in JQ. Combine two JSON arrays in a single file using jq. each(obj2, function(key, value) { obj1[key] = value; }); return obj1; } Example Oct 3, 2016 · You signed in with another tab or window. id" and "hobbygroup. json { "test2":"Bar" } $ jq -s "{ Jun 21, 2019 · How to merge json objects by grouping on key with jq. json Let's also assume for now that the result should NOT be lossy i. (For recursive merge use the * operator. Notice that the only requirement placed on the objects in the input array is that at each key, the values must be compatible with respect to Sep 15, 2022 · I'm trying to dedupe and merge multiple JSON objects together, based on an id field on every JSON object. json The -n (--null-input) option disables the automatic read of input streams so that you can manually deal with each object (using functions like input or inputs). (We use jq's + to combine objects. What are the benefits of using jq to merge files? There are a number of benefits to using jq to merge files, including: Simplicity: The jq merge command is very simple to use. How do you merge multiple JSON files using jq. I would like to merge the object arrays by each key. I tried getting a list of all keys by jq -s '. Hot Network Questions I had a similar related question: What if you wanted the original object format back (with key names, e. JSON (JavaScript Object Notation) is a popular data format with a wide range of applications. The JSON is as follows: { "expand": "names,schema", "startAt";: 0, "maxResults" Feb 4, 2016 · jq: How to combine disjoint object values as a single object of key/value pairs? 2 How to transform a JSON array to a JSON map: one specific array element attribute value becomes the key of each map Jun 2, 2015 · I'm trying to figure out how jq filters work and having trouble figuring out nested arrays. indices object, reduced by cutting off everything that comes after the last dash -, to the same key in the object from ip1. Modified 4 years, 2 months ago. Jan 20, 2021 · I would like to pass this output through JQ to have one Objects[] list, concatenating all of the objects within the two lists, and outputting the same overall structure. jq '. 12. This can be simplified even further with: jq -s 'add' input. jq to merge several objects in an array to one. name): . For example, jq -s '. If to_entries is May 17, 2024 · Learn how to merge multiple JSON files by using the jq command in Linux. key "condition")', which. complex["key"] notation for lifting. If you simply change your command to jq -s 'unique_by(. I want a result that will include all the objects from the "driving array" with the enhanced detail in objects from the other array (This feels very much like an outer join in SQL parlance) This is a contrived example that attempts to illustrate the problem: Dec 1, 2022 · how to merge two JSON objects using jq? 2. How to merge two json file with jq with additional key. 1 key, 4 nulls:. This is a contrived example that attempts to illustrate the problem: Jan 30, 2019 · JQ how to merge multiple objects in an array into one (2) Ask Question “Data is the key”: Twilio’s Head of R&D on the need for good data. dev most of the objects are merged correctly, except for the array lists under the env and secrets objects. 14. This might mean summed, concatenated or merged depending on the types of the elements of the input array - the rules are the same as those for the + operator (described above). When given two objects, it will merge them recursively. ) Dec 8, 2016 · This is helpful. Jan 24, 2019 · Using jq is there an easy way to combine json objects into an array Hot Network Questions Expecting ad hominem criticism in a thesis defense: How to prepare well for this? May 19, 2021 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. json Jul 27, 2023 · [Edit] I would not know what the common key would be. jq map object key value to array of objects containing both. 4. json and assuming your jq has INDEX/2, then a solution can be obtained by simply writing: With field1, I doubt you are getting anything in the output, since there is no key/field with the given name. "The filter add takes as input an array, and produces as output the elements of the array added together. You could add them (+) directly or merge them (*) but no real difference there. To account for merging . |objects|with_entries(select(. time | values)}' input. json File Content: {} Then add properties to the file: Sep 10, 2019 · With the permission of the OP, I'm publishing here an alternative solution for the JSON manipulation in the question, based on a walk-path unix utility jtc:. How do I merge two dictionaries in a Feb 15, 2024 · I want to merge the . provides the basic technique of using jq -n with the inputs operator. ID values are unique, you could use the INDEX function (available since jq 1. My last attempt was Jun 20, 2024 · Merge JSON Files Using jq: A Deep Dive. the key name is different in both json files but the value would be the same. e. ), REST APIs, and object models. It is also assumed that the "rows" can be combined without regard to conflicting values. id as the . Hot Network Questions Apr 11, 2023 · Here's another way to do it by using tostream. PowerShell is a cross-platform (Windows, Linux, and macOS) automation tool and configuration framework optimized for dealing with structured data (e. . This stream can be filtered (select) for the range key and then the desired parts of the stream element can be extracted/formatted/output. May 19, 2015 · That |= thing strikes me as the key here. listA+. May 21, 2020 · I am trying to merging hundreds of thousand JSON files that have a single object. json file2. I want this: { &quot May 26, 2020 · jq extracting the object key based on value of nested property Refereeing a maths paper with individually poor-quality results which nevertheless combine two very Apr 5, 2017 · How to merge json objects by grouping on key with jq. 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 this resulting array into a single object? – Dec 8, 2019 · 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. Note that I use the values filter because the log messages are mixed, so not all json objects have the email field, so I ignore those. json See the manual: Multiplication, division, modulo: *, /, and % […] Multiplying two objects will merge them recursively: this works like addition but if both objects contain a value for the same key, and the values are objects, the two are merged with the same Sep 9, 2020 · i have two json files that i would like to merge based on the value of a key. Merge the files using the command below: 1 jq -s '. json > test-one. kv_key - . Dec 27, 2015 · To combine objects into an array you can use the following: $ echo ' { "a": "green", "b": "white" } { "a": "red", "c": "purple" }' | jq -n '[inputs]' [ { "a": "green", "b": "white" }, { "a": "red", "c": "purple" } ] Jun 18, 2022 · Multiplying two objects together will merge them. Combine two Json's by key using JQ. JQ: Merge Entries if some key values are May 29, 2020 · The simplest way is just to call add filter. It takes just a I want to merge the . foo)' Minimun value of an array: jq 'min'. json Mar 2, 2022 · I have an array of objects with 2 properties, say "key" and "value": [ {key: 1, value: a}, {key: 2, value: b}, {key: 1, value: c} ] Now, I would like to merge the va Dec 7, 2018 · Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand Mar 21, 2022 · I have two json's that are a list of objects that share the same key and I am trying to combine them into one json using jq. It will ensure in result you have atleast & atmost one object for each caller_id. Asking for help, clarification, or responding to other answers. question mark for null safety; support for one level of nested arrays; jsn_ præfix for namespacing the resulting variables to avoid them overwriting your normal variables Aug 13, 2020 · Assuming you have jq 1. caller_id)' it will give you desired result containing unique & sorted objects based on caller_id key. id in each object is a string and therefore in the first part of this response, it is assumed that the key is always string-valued (in the P. Wrapping the key (. Hot Network Questions Consequences of the false assumption about the existence of I have a json fragment with an array of keys and a separate array of values. sample1. I'll add that while not relevant to your particular example data, in some cases it might also be useful to do sort_by(. data |= map(). Feb 13, 2022 · Here's another, shorter approach that doesn't use group_by. May 15, 2018 · I'm looking for JQ query that allows me to merge 2 arrays variables (not files) and also take me to overwrite first array with newer value from second array. ' file1 file2 Mar 19, 2020 · JQ how to merge multiple objects in an array into one (2) 1. json file2 Aug 19, 2014 · To add on top of aaiobe’s answer, here’s a few things to make it safer / more flexible to use:. Something like field 1 of two objects have the same value. Flatten/merge JSON into single array of objects with JQ. json Merge two JSON objects with jq. For example: Json 1: Dec 13, 2023 · I'm trying to merge some json objects using jq. I have two different variable g and c. Key 1 should match up to Value 1, etc. json duplicates the keys (I have two objects with key "a" in the array). json Mar 2, 2019 · A simple way would be to concatenate the arrays, group the elements by id and map each group into a single object using add; jq '. key or . Mar 5, 2024 · Assuming all . [0] * . I have a complete configuration JSON object which looks like this (has some more keys in it, shortened it for illustration): Jun 6, 2019 · Combine Fruits arrays, group it by id, select groups with 2 elements because we want fruits present in both files. Reservations[] | {OwnerId, InstanceId, ImageId, PrivateIpAddress, Platform} Returns: The jq merge command takes the following syntax: jq ‘merge …’ Where ` `, ` `, and so on are the paths to the JSON documents that you want to merge. The fields of each object are arrays of objects. json. 2. Accounts[]. key | startswith(“name”)) filters the key-value pairs, and selects only those where the key starts with the string “name”. cat FILE | jq -n '[inputs|. We then map each object of this array (the original contents of the files) into the sequence of their products. value extracts the value from the filtered key-value pairs. Jan 16, 2020 · Question: . There's plenty of ways to do this. jq --slurpfile f1 file1. The closest is this one: JQ - Merge two arrays but I can't manage to make it work with files instead of string arguments. For elements that happens to have the same . name key in the second file. id) | map(add)' test. terms: All values need to merge. I can get 1 key and 4 nulls or 4 keys and 1 null, but not all 5 keys. json with an object within the object stored in ip1. key is present in another object. With in you can find out if a given key is present in a given object. Merge two JSON objects with jq. 5, the solution posted here: JQ How to merge multiple objects into one. See below. There is possibly nested complex objects within the json. Solutions posted on merge json objects with jq and join two json files based on common key with jq utility or alternative way from command line both seems to only return the last matching pair. JQ: Merging different objects into a new array. I'm trying to reformat with jq but not having much luck. Jan 18, 2022 · jq --argjson c '[3,13,33,44]' -f program. json --slurpfile f2 file2. Merging objects in jq is handled natively since 1. json ubuntufocal. Oct 20, 2018 · Do a relational JOIN operation between the two files based on the . JQ to flatten an array into an object. * @param {object} [ref={}] - Optional reference to an existing object to apply to. I found using the command below, but this only work with one list. * @param {object[]} vals - List of values corresponding to their accociated keys. 4 but this is for a sp May 26, 2023 · How to merge JSON objects using jq. some_query_identifier|tonumber)-- to sort numerically by whatever field (. 3. Each of the merged objects must have their own key name in the final merged file. jq -n '{ "master-key": input | add | map_values(. To create a new third object that is the sum of both objects, you can use this function. I want to combine all of these into a single object using jq. It’s a powerful tool that allows you to extract specific data from a JSON object based on the conditions you set. Ask Question Asked 4 years, 2 months ago. value|type!="object"))]|add Or if you want a depth-first approach, replace add by reverse|add. See also min, max, min_by(path_exp), max_by(path_exp) Remove duplicates: jq 'unique' or jq 'unique_by(. jq merge json arrays without duplicates. Id, . ID in this case, as keys: /** * Apply to an existing or new object, parallel arrays of key-value pairs. *= $item)' file This uses the inputs function Dec 14, 2023 · Here are a few methods to merge JSON objects using jq: Method 1: Generic merging. Apr 13, 2022 · Combine lists by object key in JQ. json Feb 3, 2021 · Looking a little closer, I'd argue that it could be close with two duplicates, remove all null values and How to merge 2 json objects from 2 files using jq, but while combining the two answers would work, the end result would not be as clean as what you're doing here, so there's value to keeping it open. i am using jq to try to get this done. Reshape a array to object with jq. Combining JSON arrays with the same key value pair with Feb 28, 2019 · and I'm trying to combine those into a single object with the name attribute as the key: Merging property values of objects with common key with jq. JSON, CSV, XML, etc. name value, pick the element from the second file, otherwise, pick the element from the first file. Using JQ to convert an Have scrubbed multiple JQ docs and StackOverflow but no reference to merge three JSON files, and what options are preferable to use map filter. Jan 25, 2016 · I have two arrays of objects both with the same identifying key values within objects. Original JSON: { "re Apr 23, 2019 · In the following, we use the generic function combine for combining two objects, as defined below. 7038. value with the field . Sep 15, 2020 · jq can merge arrays with the + operator, e. If I use . With this function, and using an invocation such as: jq -n -f combine. + input) }' file1. Nov 15, 2023 · The jq 'select' command is used to filter JSON data based on specific conditions, with the syntax jq 'select(. default and . ] surrounding the filter is put the final resultant objects within the array. jq merge array of keys with array of values. May 7, 2015 · I need to merge two json object based on key value using javascript. As I understand the question, it's required to merge "nicely" records containing SomeAPIUser (if the term appears also outside of record, the walk-path could be easily enhanced). Jul 22, 2022 · I want to merge the objects and looking for some output like this JQ: Merge Entries if some key values are identical. value}) | add' test. For example file1 { "value1": 200, " To get the keys in the order they appear in the original JSON use: jq 'keys_unsorted' file. When working with multiple JSON files, you might need to merge them into a single file. items | map({(. Jun 3, 2020 · I would like to use jq to turn this into a single array of objects based on the value of "last". json Jun 29, 2017 · jq -s . Try Teams for free Explore Teams Aug 16, 2022 · jq to merge several objects in an array to one. I tried many answers from the web, but everybody has his own use case and none worked directly. Reload to refresh your session. movies fields) needs more specification from your end as there is no canonical solution for that. most of the examples i have found all merge based on key name and not value. If the "objects" are as originally shown (i. json Nov 9, 2017 · I need to combine these two using jq so that I end up with one object that contains all of the keys from both objects. Feb 28, 2023 · From the jq manual on the "add" command: Objects are added by merging, that is, inserting all the key-value pairs from both objects into a single combined object. 1. So to combine everything, you merely need to do this: So to combine everything, you merely need to do this: Oct 29, 2023 · With the files defined, we can use jq to perform a merge on the two files. May 21, 2020 · 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". 4 this is now possible with the * operator. * . Apr 8, 2023 · The key in the first file is not the same as the key in the second but should be related (I could change the key field name of course before and the key's data is often mixed case) I want to merge them so that the first JSON's ip_address is overwritten where the . Jul 21, 2020 · Combine lists by object key in JQ. Id | xargs output: 204359864429 224271824096 282276286062 210394168456 090161402717 The best parts of this way is if you have more fields you can add more control: jq -r '. The above of course comes with the understanding that add resolves conflicts in a lossy way. name) into parentheses tells jq to evaluate it as an expression, not as a string. kv_value pairs into objects under a new . ip by using update |= operator Jun 9, 2022 · You are looking for a solution that "merges" objects and arrays. jq how Oct 1, 2018 · The function with_entries converts each object in the list of objects to Key/Value-pair, thus we can access . with the help of this answer I have successfully added all objects into a single object as an array. Thus, you could use with_entries to iterate over an object's fields, and select (keep) only those entries whose . g. The |= operator pipes the left-hand side through the right-hand side, updating the original input in the process. name key in the array of the first JSON file and the . Example: $ cat foo. So, you first need to convert it into a list of objects with one key-value entry each, then add them together. In a comment you state Jun 24, 2021 · Map over two arrays with jq and merge objects inside. Merging property values of objects with common key with jq. some_query_identifier in your case, but those weren't strictly numeric). Use Bash and jq to filter array of objects based on values in an inner array, plus x objects before and after matching objects? 0 How can I catch VpcId if I know a related tag's value ahead? May 19, 2017 · I'm trying to replace objects in a complex JSON object. and another file named example2. Dec 19, 2014 · The key here seems to be to use the newkey: . Mar 5, 2019 · Trying to merge an undefined number of JSON files into one, each represented in their own key (using jq). Merge arrays of objects together, matching on a key This is a fairly complex expression - you can use it as is by providing the environment variables as seen in the example below. I'm struggling to get the right expression to use. value respectively, we're updating (overwriting) every KV-item . $. In this response, I'll show how to avoid any sorting by using a generic (and generally useful) jq function that "melds" an array of JSON objects, essentially by popping the value at each key into an array, and then concatenating corresponding arrays. jq: How to combine disjoint object values as a single object of key/value pairs? 1. Create object id from JSON key value using jq. How to combine 2 JSON objects into one with jq? 0. This leads to a simpler form of what you already have (using two invocations of jq): Jan 9, 2018 · Given a stream of objects and a grouping criterion, f, melds_by emits a stream of pairs of the form: [groupid, melded_object] where melded_object is an object constructed from the objects in the "groupid" group, with all the keys present in this group, and where the value at each key is the array of corresponding values: Jan 17, 2013 · jq's + and add functions (+ takes two arguments, add takes an array and adds them all up) can merge objects. The trick is to pipe that array through the add function which will combine each of those individual objects into a single object. Jul 24, 2018 · JQ how to merge multiple objects in an array into one (2) 1. email | values), time: (. JSON/JQ: Merge 2 files on key-value with condition. indices object stored in ie1. Jan 14, 2022 · This assumes you are trying to combine the . Since 1. Apr 30, 2021 · I hope you can see I wish to do the following. Jun 12, 2020 · Ask questions, find answers and collaborate at work with Stack Overflow for Teams. JQ Join JSON files by key. json If the objects are spread over multiple files, say input*. For each selected group; add name field from first group element to second, and collect results in an array. jq -n '{ list1: [ inputs. json and put all entries into an array. Oct 12, 2016 · The drawback of a solution relying on group_by is that group_by requires a sort, which is unnecessary here. If both objects contain a value for the same key, the object on the right of the + wins. 4. [1]+[2] returns [1,2]. If you don’t want any lossiness, choose a different method for combining objects, or maybe don’t combine them at all. foo)' or jq 'unique_by(length)' Reverse an array: jq 'reverse' Nov 22, 2023 · How to merge 2 JSON objects from 2 files using jq? 2. You'll just want to remap the properties to the names you wanted where needed. metadata. input*. foo)' Group by a key - opposite to flatten: jq 'group_by(. key_value key, Oct 30, 2020 · [. * input' file1. Aug 6, 2017 · jq 'map({(. Jul 5, 2019 · If you run jq in a shell, you can use xargs like below: jq -r . To steep the learning curve it would be a great help to have more basic tutorials and complex examples especially on string inputs, formatting etc. Merge 2 JSON objects from 2 files using jq. You switched accounts on another tab or window. It merges in the array provided in the second file into the first - matching on equal keys. Merging property values of May 5, 2022 · I am trying to merge (combine) these two files using jq. Hot Network Questions Oct 23, 2024 · merge; key; jq; or ask your own in jq, how to merge an array of object into 1 object with an array of values. In my case I don't care about any of the other fields. combine array of objects from two files with jq under specific key 1. Finally, . Name' | xargs -n2 The output like below: Unless your jq has inputs, you will have to slurp the objects up using the -s flag. merge multiple lists with jq into single list. json { "test1":"Foo" } $ cat bar. csv from json output in a specific format. But we want to merge them. S. If there are common keys, I need the values of from second object being used. 0. id" fields are used to determine whether to dedupe the duplicated value and remove it, or instead concatenate its separate value into another location that preserves the hierarchy. Dec 21, 2017 · Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand Nov 28, 2019 · The --slurp flag tells jq to read all its inputs in an array rather than working on them separately. Ask Question Asked 4 years, 3 months ago. For the former you have already found + (or add) for a top-level merge, and * for a recursive merge, but merging arrays (namely the two . ' file1. For example: #!/bin/bash -e Jun 20, 2024 · How to combine JSON objects with the same key, using jq mentions "Note that if two or more objects share the same key and if that key refers to a scalar or array, then the later objects in the input will overwrite the value" which is exactly the problem I'm trying to avoid. JQ: Merging different objects into a new array Merge objects in same array on single key. The following uses reduce to successively build up a new object by merging the existing objects one by one. JQ: Combine array with a list of objects from another Nov 1, 2020 · This will yield two separate objects, the cluster, then the user. What is jq? jq is a command-line Apr 11, 2020 · Since the 'group' object has only one top-level key, there's no need to prevent sorting, so @jq170727's revised filter can be simplified quite a bit: Nov 28, 2016 · How to select/get object elements' (array of objects) keys based on value of an element in an object in the aforementioned array in jq? 1 Use jq to get parent key for a selected object May 11, 2024 · Next, select(. jq -s '{ubuntu: map(add)}' ubuntubionic. Viewed 55 times 0 I'd like to aggregate a list of objects Jun 18, 2019 · 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). Thanks for this! Glad you found an answer, and now I have one, too. This is where jq, a lightweight and flexible command-line JSON processor, comes in handy. Objects[]' inputfile | jq -s '{"Objects":. Jun 12, 2018 · jq add file1. I can accomplish it with piping between two separate JQ commands: jq '. [1] | Aug 8, 2022 · I'm trying to deduplicate all objects inside the array results that share the same key id, and merge their path arrays. 6) which takes a stream and creates an object, using a given index, . Oct 3, 2016 · In the example, the value of . Then you'll have to do a fair amount of manipulation: Each of the objects needs to be mapped out to key/value pairs Map over two arrays with jq and merge objects inside. $ jq ' . Merge arrays under same key. json or. Jan 8, 2022 · If you want to pull out the ubuntu field name, and have each object's values (which happen to be objects as well) merged into an array, also use the map builtin: jq -s '{ubuntu: map(. The desired output would be something like this: [{ "last": "Doe" }, { "last": "Smith" }] where only unique values of "last" that is a child of "b" are included. FOO, BAR)? Jq provides to_entries and from_entries to convert between objects and key-value pair arrays. jq objects. Feb 2, 2017 · From this list of objects I'd like to get only the fields email and time, and ignore the rest, so I used the following jq query: jq '{email: (. Two similar ways to do this: Using -n and inputs with reduce: jq -n 'reduce inputs as $item ({}; . , this assumption is relaxed). Dec 9, 2022 · I have a set of JSON objects that each contain one unique key:value pair (that is, there are no duplicate keys). Provide details and share your research! But avoid …. gwnec esbwi nmnopk gue rdeqn eszv nydg fwctuz nvqmwfb wzy