Ah, no wonder I couldn't find it... its actually in perlop2.

That still doesn't explain the difference between the last two examples I gave: 

# This tests for definedness
while($x = <*.pl>) {}

# This tests for truthfulness
1 while($x = <*.pl>)

[download]
Is that a bug, or should the two forms of while() behave differently?

-Blake

In reply to Re: Re: When does while() test for defined vs truth by blakem
in thread When does while() test for defined vs truth by blakem

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