Chapter 22. Improving your parameterized script
In the previous chapter, we left you with a pretty cool script that had been parameterized. The idea of a parameterized script is that someone else can run the script without having to worry about or mess with its contents. Script users provide input through a designated interface—parameters—and that’s all they can change. In this chapter, we’re going to take things a bit further.
22.1. Starting point
Just to make sure we’re on the same page, let’s agree to use listing 22.1 as a starting point. This script features comment-based help, two input parameters, and a command that uses those input parameters. We’ve made one minor change since the previous chapter: We changed the output to be selected ...
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