How to get key names from JSON using jq

Question

curl http://testhost.test.com:8080/application/app/version | jq \'.version\' | jq \'.[]\'

The above command outputs only the values as below:

Answer 1

You need to use jq 'keys[]'. For example:

echo '{"example1" : 1, "example2" : 2, "example3" : 3}' | jq 'keys[]'

Will output a line separated list:

"example1"
"example2"
"example3"