in reply to print behaving badly

Maybe I'm missing it, but I don't see where $_ is changing (or even being set!) in the loop 
print while ();

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Can you explain the logic of just this loop?

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Re: Answer: print behaving badly
by chipmunk (Parson) on Dec 18, 2000 at 20:22 UTC
    The original poster used <PRE> instead of <CODE> around the code, and so the line print while (<HIS_IN>); became print while ();
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