temperature_time is not that difficult. It could stored as a property in the
cache whenever the temperature is taken and would expire when the
temperature also expired.
It would be easiest to return an error for temperature_time if no
temperature is available although some special value is also pos
Regarding timestamps Paul Alfille mentions that "..the timestamp for the
reading is kept in the cache hash table and isn't exposed to the rest of
the program."
I would like to either create a new owfs property (file) for timestamp
or modify the timestamp mtime of each file that is updated. Fo
