Any of those comments would be better than none. Because right now there is no way from the code to understand that you meant to upper case letters. Without which knowledge it would be hard to tell whether you intended G and T to give you W or whether that would be an accident.

In reply to Re^4: Lower-casing Substrings and Iterating Two Files together by tilly
in thread Lower-casing Substrings and Iterating Two Files together by neversaint

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