rerun 0.7, now using the Listen gem

[Alex Chaffee]

I just released rerun 0.7. It now uses the Listen library which uses
your OS's built-in filesystem change monitoring features so CPU use is
much more efficient. 

Thanks for making Listen! Maybe next I'll look at how Guard does process management and be able to throw away even more of my code. :-)

Source and docs:
  http://github.com/alexch/rerun

Installation:
  gem install rerun

Usage:
  rerun ruby my_sinatra_app.rb
  rerun --dir config rails s
  rerun -cx rake test

Rerun launches your program, then watches the filesystem. If a
relevant file changes, then it restarts your program. Rerun works for
both long-running processes (e.g. apps) and short-running ones (e.g.
tests). It's basically a no-frills command-line alternative to Guard,
Shotgun, Autotest, etc. that doesn't require config files and works on
any command, not just Ruby programs.

See the README at http://github.com/alexch/rerun for many more examples.

[Thibaud Guillaume-Gentil]

Nice, thanks to sharing it!

Thibaud Guillaume-Gentil
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