Hello, everyone. Here is a basic implementation of fold[0]. It does not support multibyte characters, though that would probably just require more switch cases. This is my first contribution, so please comment your thoughts/what I can improve.
I was planning to write an "unfold" utility that basically did the opposite. Although I don't think it's in any standard, would it still be of any interest? [0] http://pubs.opengroup.org/onlinepubs/9699919799/utilities/fold.html
fold.patch
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Regards, Samuel Holland <sam...@sholland.net>
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