json-merge/foobar.json

given two streams of newline delimited JSON data perform a merge/extend on each object in the stream

{
  "data": [
    {
      "a": {
        "all": "lowercase"
      },
      "b": {
        "ALL": "CAPS"
      },
      "c": {
        "All": "Propercase"
      }
    }
  ]
}