how do I check if a lookup table get updated with any output lookup command

[karu0711]

I have lookup table in splunk.
I want check if ever been update in Splunk using output lookup command

[_JP]

This solved question seems to be what you're looking for:

Solved: How to get the Audit for Lookup files modification... - Splunk Community

If you don't want any changes at all, and you're on a *nix system, can you deploy your lookup with read-only permissions on the file within the app?