Are there other methods to circumvent data that has been marked read-only?

Yes. I thought of three in ten seconds. Two are trivial and one is easy.

As the other commenters suggest, you don't have a technology problem here.

In reply to Re: redefining Internals::SvREADONLY by chromatic
in thread redefining Internals::SvREADONLY by ChiefAl

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