And there is https://bitbucket.org/ssaasen/spy https://bitbucket.org/ssaasen/spy if you want something that works on both Mac and Linux (disclaimer: author her

And there is https://bitbucket.org/ssaasen/spy https://bitbucket.org/ssaasen/spy if you want something that works on both Mac and Linux (disclaimer: author here). The "run" mode can be used for the "compile on fs event" use case.