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Input on a per-character basis?
Is there a way of getting input from STDIN so that every character is grabbed and evaluated individually? It's no big deal if it isn't, or if the solution is overly complex, but I'd like to avoid the redundant enter-presses if feasible, and since the sort of input is going to be based on the first character typed, getting that character before they press return is the only problem I can think of.