You're right. 

C:\test>perl -MO=Deparse -e"while( <> ) { print }"
while (defined($_ = <ARGV>)) {
    print $_;
}
-e syntax OK

[download]

But if you're doing it yourself, it's as well to.

Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.
"Science is about questioning the status quo. Questioning authority".
In the absence of evidence, opinion is indistinguishable from prejudice.

In reply to Re^3: using multiple conditionals in a while(test) by BrowserUk
in thread using multiple conditionals in a while(test) by How09

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