Xargs -0 pipes typical input into only one argument. This argument is handed into the bash executable which sends a "duplicate to clipboard" ask for to klipper employing qdbus. The pipe to /dev/null is to not print the newline character returned by qdbus into the console. Or, which can be https://petskyonline-onlinestrore.blogspot.com/2025/07/the-day-my-cat-got-automatic-feeder-and.html