the following still gets displayed on the command prompt

Those are compile-time warnings. They are generated before your run-time massaging of STDOUT and STDERR have taken effect. In contrast, I used the calling shell to set up the redirection so it is clear there that these warnings go to STDERR.

🦛

In reply to Re^5: Experimental warnings with given/when by hippo
in thread Experimental warnings with given/when by Bod

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