wildcards do not work. just found this:
https://github.com/Nyr/DropboxBackup
maybe it would be a solution.
I'm thinking it might be handy to have my own simple backup place for the whole /mnt/us or maybe just documents or maybe just extensions... not sure yet, I'll probably add a couple scripts to the above package if this works well.
I guess I only get 2Gb for free unless I get referals or something:
https://db.tt/R12iCAPD don't click if you don't want to. If this is against forum rules, DELETE it!