rt-externalize-attachments - Move attachments from database to external storage
rt-externalize-attachments is used to move attachments out of the database to some external storage.
If age is given, then only attachments older than
AGEdays will be moved. By default everything is moved.
If batchsize is given, then only
NUMnumber of attachments will be moved. By default everything is moved.
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Log a message (at level "info") for each attachment, both before its upload begins and after it completes.
Make a trial run and do no changes (mostly the same output as a real run is produced).
dry-runimplies verbose output.