$this->{'stdout_log'} = \*FH_STDOUT; # These files have already been opened.
$this->{'stderr_log'} = \*FH_STDERR;

# Save the previous filehandles for STDOUT and STDERR so we
# can restore them when we're done.
$this->{'_stdout'} = \*STDOUT;
$this->{'_stderr'} = \*STDERR;

# Set the new filehandles for STDOUT and STDERR
*STDOUT = $this->{'stdout_log'};
*STDERR = $this->{'stderr_log'};