Project depends on erlang-oauth.
$ rebar get-deps
$ rebar compile
$ erl -pa ebin deps/*/ebin -s crypto -s inets -s ssl
1> Key = "Your App key".
2> Secret = "Your App secret".
3> [{"oauth_token_secret", TokenSecret}, {"oauth_token", Token}] = dropbox:request_token(Key, Secret).
Redirect user to https://www.dropbox.com/1/oauth/authorize?oauth_token=Token
4> [{"oauth_token_secret", TokenSecret2}, {"oauth_token", Token2}, {"uid", _Uid}] = dropbox:access_token(Key, Secret, Token, TokenSecret).
5> dropbox:account_info(Key, Secret, Token2, TokenSecret2).
6> dropbox:file_get(Key, Secret, Token2, TokenSecret2, "sandbox", Filename).