Manipulate JSON with jq

Question

I have following the json file. I am trying to update a couple of properties in this file using jq

{
  \"href\" : \"http://localhost:8080/api/v1/clu         


        

Answer 1

Manage to do it

jq '.items[0].properties."hfile.block.cache.size"="0.2"' initial.json > 1.json