This is recognized as the "command substitution" and it strips line feed by default which is de facto convinient ! Gavin SimpsonGavin Simpson 175k2525 gold badges404404 silver badges460460 bronze badges one Thanks for idea on strwrap, never heard about that. Evidently end and warning makes use of similar solution, so https://devindtpwl.blogs-service.com/67774670/indicators-on-royal-canin-cat-food-dry-you-should-know