Standardizing and organizing script

Have you ever experienced the following situation? A challenging problem presents itself. After many hours of thinking, developing, thinking some more, and developing some more, you have crafted a solution. "This is brilliant work!" you say to yourself, "It completely solves the problem, and in a very elegant way too."

Fast-forward a few months. A new business question presents itself and a small change to your original solution is required. You look at your original work, and after some poking around decide that you can make neither head nor tail of it."This is horrible work!" you say to yourself, "What was I thinking at the time?".

Did your script really go from brilliant to rubbish over the course of 6 months? ...

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