while (<FH>) ...

[download]

is the same as doing 

while ($_=<FH>) ...

[download]
Not quite. while (<FH>) is shorthand for 
while (defined($_ = <FH>))

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Which should clear up the other half of your confusion.

Unless I state otherwise, all my code runs with strict and warnings

In reply to Re: Doubt on defined-ness by FunkyMonk
in thread Doubt on defined-ness by waldner

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