Plain text is software and operating system agnostic. It's searchable, portable, lightweight, and easily manipulated. It's unstructured. It works when someone else's web server is down or your Outlook ...
If any files match the query, a return code of 0 is returned. If no files match the query, a return code of 60 is returned. The Drive API defines two fields that relate to file size: quotaBytesUsed ...