} elsif ($format eq 'json') {
# Note: we always use utf8 encoding for json format
print to_json($data, {utf8 => 1, allow_nonref => 1, canonical => 1 }) . "\n";
} elsif ($format eq 'json') {
# Note: we always use utf8 encoding for json format
print to_json($data, {utf8 => 1, allow_nonref => 1, canonical => 1 }) . "\n";