I had to invert the (physical source-code) positioning of the package and main code in order that %num_for would be set up prior to the constructor being called. Alternatively, I could separate the package into a .pm file.
With either correction, this produces the correct output quite efficiently.
Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.
"Science is about questioning the status quo. Questioning authority".
In the absence of evidence, opinion is indistinguishable from prejudice.
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