```
% pandoc -t native -s --metadata-file command/5700-metadata-file-1.yml --metadata-file command/5700-metadata-file-2.yml
^D
Pandoc (Meta {unMeta = fromList [("desc",MetaInlines [Str "Both",Space,Str "of",Space,Str "these",Space,Str "files",Space,Str "should",Space,Str "be",Space,Str "loaded."]),("title",MetaInlines [Str "Multiple",Space,Str "metadata",Space,Str "files",Space,Str "test"])]})
[]
```