How to store data in JSON file in Node-RED

[drmibell]

@TotallyInformation

If you were using the structure I described, it would tell you how many entries you have at the top level. If you need more complex filters, then there are other ways as mentioned by others.

Agreed. I was trying to address one of the original questions:

@hazymat

• count the number of light circuits in a room (in case I add or remove some later)

which I think needs one of those more complex filters.