or $_[0]->_croak('open(' . fileno($_[1]) . ", '$_[2]&', $fd): $!");
}
-=head2 C<save_fh $from, $mode [, $to ]>
+=head2 C<save_fh>
+
+ $tva->save_fh($from, $mode);
+ $tva->save_fh($from, $mode, $to);
Save the original filehandle C<$from> opened with mode C<$mode>, and redirect it to C<$to> if it's defined or to F</dev/null> otherwise.
=head2 C<restore_all_fh>
+ $tva->restore_all_fh;
+
Restore all the filehandles that were saved with L</save_fh> to their original state.
The redirections aren't closed.