if (ref($file) eq 'SCALAR') { # used by some tests
open my $fh, '<', $file or die; # PerlIO::scalar
$self = config_fh_parse($fh, "\n", '=');
bless $self, $class;
} else {
if (ref($file) eq 'SCALAR') { # used by some tests
open my $fh, '<', $file or die; # PerlIO::scalar
$self = config_fh_parse($fh, "\n", '=');
bless $self, $class;
} else {