Great article. Chaining pipes together in Python with subprocess can get a little wordy, but the power is there to do anything you need to do. It's especially

Great article. Chaining pipes together in Python with subprocess can get a little wordy, but the power is there to do anything you need to do. It's especially excellent when compared to Ruby. Ruby has a bunch of popen calls, but each one has strange quirks and inflexibility to make it not good for building pipelines. http://whynotwiki.com/Ruby_/_Process_management#How_do_I_execute_an_external_program.3F http://whynotwiki.com/Ruby_/_Process_management#How_do_I_exe... I'm finding myself using a ton more shell (bash) for pipelines, as this is what it was built to do, but when I need to add more logic its Python and subprocess.