LabVIEW
Feedback- JSON text
Solved!
I am new to JSON in general, trying to use JSON text to extract some info from my configuration file. I feel like there is an efficient way to do this. Basically, trying to create a VI to extract info based on the key & value pair I pass in. it works but looking to see if there is an efficient way.
attached json as a txt file.
Change the cluster array to a Map and it'll be cleaner. You also don't need the shift register and build array, just concatenate the array on the output (not needed with a map).
Something like this:
@Yamaeda wrote:
Change the cluster array to a Map and it'll be cleaner. You also don't need the shift register and build array, just concatenate the array on the output (not needed with a map).
Something like this:
Be carefull here, in the author implementation, all key / value pairs are concatenated. There are duplicates for each "signal_generators". In yours, all key value pairs are inserted into 1 map, discarding previously already inserted key values.
@LVEnt it would be easier to help you if we have a JSON example / schema to work with.
I'm not sure how many records you have or how much access you need, but a SQLite database might be a nice choice. It's a "database in a file" format so you don't need a server or anything. The author of the JSONText library you're using also has a SQLite library and it's great.
Depending on how flexible you need this (like does "signal_generators" need to be a runtime input?) you could do all the filtering in LabVIEW after one JSON conversion.
Here's a different implementation that uses "find item.vi" to avoid one loop layer and does not create array elements that will not be needed.
For this to be somewhat robust you should try to raise an error (or otherwise handle) if multiple items or 0 items match the search criteria
