why does ... work correctly, even for a filename like "0" that evaluates to false in boolean context?
Because it really looks like this under the hood 
opendir(D, "test");
while ( defined( $file = readdir(D) ) ) 
...

[download]
This is a DWIM perlism, nifty huh? I think it applies to any assignment in a while statement where the result of the assignment is evaluated for the condition, or something along those lines.
HTH

_________
broquaint

In reply to Re: readdir and while - magic? by broquaint
in thread readdir and while - magic? by bjelli

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