Questions tagged [json]
JSON (JavaScript Object Notation) is a lightweight data representation format that resembles JavaScript source and that is can be easily red by machines and edited by humans with some effort.
563 questions
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How to pretty print one column of piped input?
bash 4.4.20 and jq-1.6 on RHEL8
I get this nice output from jq and column. Hard to read, though.
pgbackrest info --output=json \
| jq -r '.[] | .backup[] | "\(.type) \(.label) \(.info.delta)...
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libvirt: "Error starting domain: internal error: failed to parse JSON: nesting too deep"
I'm on Fedora Linux 42.20250824.0 (Sway Atomic), running libvirt version 11.0.0, qemu-img version 9.2.4 (qemu-9.2.4-1.fc42) and virt-manager version 5.0.0, all installed as layered packages.
Using ...
1
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2
answers
187
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Extracting two (or more) related values from an array of JSON objects
Consider a contrived example using a JSON object such as this, where I want to extract the related id, firstname, and lastname fields for each of many array objects into shell variables for further (...
- 128k
2
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1
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88
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Append to matching children of an arbitrarily deep array
I am attempting to edit an OpenAPI specification by changing all parameters to be nullable. A parameter definition looks like this:
{
"name": "foo",
"required": ...
- 608
8
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3
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981
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How can I make jq assign values to environment variables in one command?
Say, I provide jq with the following JSON body as input:
{"person1": {"name": "foo"}, "person2": {"name": "bar"}}
Is it possible to have jq ...
- 4,941
5
votes
2
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389
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Merging multiple JSON data blocks into a single entity
I'm using an API (from SyncroMSP) that returns paginated JSON data. I can obtain the number of pages, and I can obtain the data with a tool such as curl. Each chunk is valid JSON but it only contains ...
- 128k
6
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2
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382
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Update object inside array inside another JSON object
I have a huge JSON object with an array of objects inside it. I have to add key:value pair to a specific object in the array. For example, let the input object is:
{
"a": {
"b&...
- 63
3
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1
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300
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use jq to pick a key out of a list of a list of objects and raw output with newline separation for outer array items
I want to output a specific key of list of a list of hashes as lines where each outer array item is separated by an empty line. To illustrate:
Input is:
[
[
{
"visible": true,
...
- 323
0
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1
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115
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removing first and last character and empty spaces from a json file [closed]
I have given sets of different input files as shown sample below
cat out.txt
[
{
"regional_unit": "node",
"source_name": "1753250187_SPS",
"...
0
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3
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386
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Convert json data to comma separated string
I have a json object that has an unknown number of variables, like this:
{
"var1": 123,
"var2": 456,
"var3": 789
}
How can I automatically convert it to form ...
- 305
1
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1
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74
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json formating with jq for json nested objects
how do I get jq to take json like this:
{
"responseHeader":{
"status":0,
"QTime":1
},
"cluster":{
"collections":{
"...
3
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2
answers
2k
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How to generate double quoted JSON string with escaped double quotes?
I sometimes need to write JSON strings containing a string value that is itself a JSON string. e.g. In the following JSON object:
echo '{"rec" : " {\"id\": 1, \"name\&...
- 1,086
3
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2k
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jq create object with property name from variable
$ n="foo"; echo "{}" | jq --arg n "$n" '. += { "$n": $n }'
{
"$n": "foo"
}
My reading of https://jqlang.github.io/jq/manual/#types-and-...
-2
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3
answers
150
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Awk to pick up json values
I am trying to get the job status from the below json file.. but while using awk it is returning
{
"id": 10870,
"type": "job",
"url": "/api/v2/...
- 17
3
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2
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706
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Emulate gron using jq
I recently discovered jq and gron.
For my use case, gron is sufficient, but I am a little worried by lack of development. There are some bugs that have not been addressed in an year, while I see that ...
