How so? GNU Parallel only outputs the notice if stderr is a terminal. I think you did not try this. Am I right about that?
It is litteraly the 3rd point in https://git.savannah.gnu.org/cgit/parallel.git/tree/doc/cita...
Did you try any of the other situations? Or are you simply speculating that this might cause problems without actually testing?
How so? GNU Parallel only outputs the notice if stderr is a terminal. I think you did not try this. Am I right about that?
It is litteraly the 3rd point in https://git.savannah.gnu.org/cgit/parallel.git/tree/doc/cita...
Did you try any of the other situations? Or are you simply speculating that this might cause problems without actually testing?