Am I right?

Yes, I think so.
The problem is fixed by changing the troublesome rendition to: 
($x) ? ($z  = "true\n") : ($z  = "false\n"); print $z;

[download]
I sure am glad I generally go for the extra bit of typing and use if/else. Bloody hell ... the amount of time I can spend in a ternary op rabbit hole ... :-(
Thanks harangzsolt33, Fletch, hv.

Cheers,
Rob

In reply to Re^2: Evaluating the condition ($x ||= $y) by syphilis
in thread Evaluating the condition ($x) by syphilis

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