Best thing is you don't get "Use of uninitialized value in join or string at ..." if the array size isn't an exact multiple of the chunk size.
I *want* those warnings. If the array length is not an exact multiple of the chunk size, something is wrong, and I would like to be informed. In production code, I'd let it croak if @array % 2 even before looping.
- firstname.lastname@example.org (do not use).
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