The third part of my Ruby subprocesses series just went up over at the Devver blog. In it I cover the Open3, PTY, and Shell standard libraries.

Related posts:

1. Sustainable Development in Ruby, Part 2: Method Injection
2. Sustainable Development in Ruby, Part 3: Delegation
3. Sustainable Development in Ruby, Part 1: Good Old-Fashioned Inheritance
4. Followup to “Monkeypatching is Destroying Ruby”
5. Devver