Hi
What would you like to do with the contents of the file?
It’s easy enough to use a CAT command in a Exec Binding thing to push the contents of the file into an openHAB2 Item.
cat \var\lib\openhab2\log_results.txt
You could even try to use the Regex feature to filter it (this isn’t something I’ve mastered yet).
It’s possible to trigger the Thing on demand, or set a polling interval.
Much like how I used the Exec binding to pull the results of the APCaccess command into openHAB2.
(Read to the end, as Rich gives some excellent advice on how to handle the results)