Alternatively, localise STDOUT: 
{
  local *STDOUT;
  open(STDOUT, "| tee $log_file") or die;
  print "Testing 1...2...3...\n";
}
print "done!\n";

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Originally posted as a Categorized Answer.

In reply to Re: How do I restore STDOUT by ariels
in thread How do I restore STDOUT by slojuggler2

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