I built a small Instrument furnishing similar functionality, with no applying xclip or xsel. stdout is copied to the clipboard and may be pasted once more during the terminal. See: Along with more refining the usage of insulin, Best later on found the vitamin choline along with the enzyme histaminase, https://ragingbookmarks.com/story20332493/the-smart-trick-of-dog-house-materials-dubai-that-no-one-is-discussing