progrium/localtunnel — pull request #57 by paneq (2012-10-07 19:32:06+00:00)
Title: Sync stdout

Otherwise output is cached by Ruby and not flushed unit process is finished.

More about this topic: http://jstorimer.com/2012/09/25/ruby-io-buffers.html

Compare:
* localtunnel -k ~/.ssh/id_rsa.pub 8080 | head -n 1
* tail -f Rakefile | head -n 1