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Bash scripting is one of those domains that people just randomly enter without a full walk through the documentation. It's one of those things that almost everybody learns by copy and paste.

Given that, I think it's nice to be a bit more explicit, as it means the person who reads your script to copy and paste a bit out of it is more likely to learn something new in the process.

Not that the copy and paste approach to learning a language is good, but that's how these things typically go in practice.

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