Should I check the state of a switch before sending a command?

[H102 (CM6.5 H102)]

@RealBrianWarner

Put differently, if a motion sensor turns on the light, and repeated motion triggers keep sending more ON commands, does this cause any harm aside from cluttering my log?

No harm and you can filter the log to get rid of all the motion triggers see this link.

openHAB - Filtering event logs

Simple string filtering on the event log. Useful for filtering out high change items that don’t need constant log visibility. Re-posting this as it’s own thread on the recommendation of other members. I also recommend reading Taming openHAB 2 Logging and Log4j2 Sample Config which this was based on. Log configuration data using openhabian-pi is stored in the following file. Location may vary under other installation methods. /srv/openhab2-userdata/etc/org.ops4j.pax.logging.cfg openHAB using …