I'll look at what it takes to elevate a throwaway one-liner or personal script into a robust and re-usable CLI app, and look at the Ruby techniques that make it easy to be a good Unix citizen.
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Be a good UNIX citizen
Rob Miller is a web developer. He works mainly in Ruby and SQL, and spends his days crunching numbers and herding cats at Big Fish, a design, branding, and marketing agency where he is Head of Digital.