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How to remove key and value from JQ?
To do this, we need to wrap our return data with square brackets so that it becomes a list again: Then we use the from_entries function to remove the key and value keys, zipping them up in to an object. This does the opposite of to_entries
Which is the development version of the JQ program?
jq Manual (development version) For released versions, see jq 1.6, jq 1.5, jq 1.4 or jq 1.3. A jq program is a “filter”: it takes an input, and produces an output. There are a lot of builtin filters for extracting a particular field of an object, or converting a number to a string, or various other standard tasks.
How are the elements of an array used in JQ?
The elements of the arrays can be any jq expression, including a pipeline. All of the results produced by all of the expressions are collected into one big array. You can use it to construct an array out of a known quantity of values (as in [.foo, .bar, .baz]) or to “collect” all the results of a filter into an array (as in [.items[].name])
How to extract data from a JQ file?
The first thing to do was to step in to the wrapper, something. Next, we convert to a structure we can select data from by using to_entries, and unwrap it from it’s array by removing the []
Can you get all the values of an array with JQ?
So it really depends on your requirements and perhaps the version of jq that you are using. Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question.
How to get a list of keys from JSON?
In combination with the above answer, you want to ask jq for raw output, so your last filter should be eg.: echo ‘ {“ab”: 1, “cd”: 2}’ | jq -r ‘keys []’ prints all keys one key per line without quotes. Here’s another way of getting a Bash array with the example JSON given by @anubhava in his answer:
How to extract a key from a list?
Finally, we can zip this up so that it becomes a key/value object like we started with. To do this, we need to wrap our return data with square brackets so that it becomes a list again: Then we use the from_entries function to remove the key and value keys, zipping them up in to an object.
How to create a JSON structure using JQ?
You can create JSON structures using jq by using braces and providing keys Finally, we can zip this up so that it becomes a key/value object like we started with. To do this, we need to wrap our return data with square brackets so that it becomes a list again: