STDERR is not necessarily the same thing as file descriptor 3
s/3/2/

In recent Perl there's no need to use package variables for file handles to achieve this. 

open my $olderr, '>&', \*STDERR or die $!;
#...
open STDERR, '>&', $olderr or die $!;

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In reply to Re^2: Suppress/Reactivate STDERR by nobull
in thread Suppress/Reactivate STDERR by saintmike

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