1. Should my functions be returning something instead of setting values of globals? (er.. FSL: file-scope lexicals, that is)
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(1) If you say "yes" to the first one, then what does that buy me? Instead of setting an FSL somewhere, I'm returning values, and so need to create an FSL to hold the value anyway!
At least you don't have the globals in the body of functions definitions. You can now analyze the functions in separation from the rest of the code - this is a clear win. The next step is to move more code into the functions - and you'll get mostly global free code.
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