Hmmm ... one has to really start clutching at straws to come up with an explanation.

I wondered whether there might be something rendering the "." in "5.040" as garbage (in numeric context) - thereby causing 0 + "$version") to return "5".
But that should probably generate a "not numeric" warning - and it could (in theory) just as well be a bug in eval{} or require() or the ternary operator.
I look forward to hearing what the problem was ... if you ever find out.

Thanks for the heads up about the typo

You're welcome - I just hope it doens't turn out to be contagious.

Cheers,
Rob

In reply to Re^3: Requiring a version by syphilis
in thread Requiring a version by choroba

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