Thanks for the instructions
I tried this on its own:
wget https://dl.dropboxusercontent.com/content_link/rdBCpet7uA9TpdgqtfviCaxohcLtnzEy5unGXyv71pSUDnfy2yXt53LS46NaQcsy?dl=1
and received
Resolving dl.dropboxusercontent.com (dl.dropboxusercontent.com)... 107.22.162.246, 107.20.178.212, 54.225.122.20, ...
Connecting to dl.dropboxusercontent.com (dl.dropboxusercontent.com)|107.22.162.246|:443... connected.
HTTP request sent, awaiting response... 404 Not Found
2015-02-06 16:05:45 ERROR 404: Not Found.
Ahh, sorry about that. Seem like dropbox can not be used anymore for wget command.