$envscript 2>&1 > expect.out;

##</code><code>##

$envscript > expect.out 2>&1;

##</code><code>##

perl -le "print STDERR q{to-stderr};print STDOUT q{to-stdout}" 2>&1 >f.tmp
perl -le "print STDERR q{to-stderr};print STDOUT q{to-stdout}" >f.tmp 2>&1