There is a remote system where i have read/write permissions only in one directoty. I use it to store the results of the nightly builds. 

For uploading the results for a specific day, i do an `rsync` of `<date_dir>` on the remote directory using following command:

`rsync -zavR <date_dir> <server_name>:/path/of/the/directory/where/i/have/permission/`

Now, sometimes i need to delete the `<date_dir>` directory at destination. For this, I tried following command:

`rsync -avh <date_dir> <server_name>:/path/of/the/directory/where/i/have/permission/ --delete`

This command deletes the contents of `<date_dir>` at destination but the directory `<date_dir>` itself is not deleted.

I also tried to give `--force-delete` in rsync command, but it gives following error on my system:

`rsync: --force-delete: unknown option`

What can be the command to delete the `<date_dir>` directory on the remote server using `rsync`.

PS: I tried setting up password-less authentication using `SSH` but i don't have permissions to do that.