You can push to the odd/even array by looking at this example from perlfaq4.

https://metacpan.org/pod/distribution/perlfaq/lib/perlfaq4.pod#How-do-I-compute-the-difference-of-two-arrays?-How-do-I-compute-the-intersection-of-two-arrays?

In reply to Re: array push fails by Cristoforo
in thread array push fails by rsFalse

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