Use local *STDERR:

my $out;
print STDERR "before\n";
{
    local *STDERR;
    open STDERR, ">", \$out or die;
    print STDERR "during\n";
}
print "after\n";
print "out: $out\n";

[download]

Output:

before
after
out: during

[download]

In reply to Re: Redirecting STDOUT, lexically scoped by FunkyMonk
in thread Redirecting STDOUT, lexically scoped by moritz

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