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You might have been better off reading the text after the code example that came after the code you quoted.

The text read:

- Second example is much better. Finding files is the problem of temporary_files() and not of main()’s. This code is also testable, by unit testing of temporary_files().

- If you try to test the first example, you will mish mash finding temporary files with main algorithm.

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The problem isn't where it is - using "ls" to find files is never a good idea from my understanding. I think it's because of ls garbling file names but I might be mistaken there.

That the author is using that to find files is reasonable enough to me to disregard the rest of the blog.

edit: take that back...looked through rest of blog but don't see anything useful. I hate his idea for functions for builtins, using local is ok, please don't break up shell pipelines over N lines for simple stuff

Google also mandates that you shouldn't assign to a local var at declaration, because the exit code of the function producing the value is overwritten by the exit code to `local`.

https://google.github.io/styleguide/shell.xml?showone=Use_Lo...

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