Xargs -0 pipes standard enter into just one argument. This argument is passed for the bash executable which sends a "copy to clipboard" request to klipper employing qdbus. The pipe to /dev/null is not to print the newline character returned by qdbus into the console. In its place, recall that https://petskyonline-onlinestrore.blogspot.com/2025/07/the-day-my-cat-got-automatic-feeder-and.html