I don't have any hard data, but I would guess a majority of the users of the Latex+Dropbox combo are not on Windows. All those various nix users will not find any useful meat in this post. It would have been nice to submit it under a title like: Using Latex with Dropbox on Windows
True. Translating the script to linux is however just a matter of exchanging some of the bash commands with corresponding shell syntax. Frankly, I don't have access to a linux box right now. Maybe you could give it a try to convert it?