It should be emphasized that the argument to foreach is evaluated in list context, while the argument to while is evaluated in scalar context. This means that foreach (<FH>) is (roughly) equivalent to 
 my @x = <FH>;
 foreach (@x) { ... }

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And this code does slurp the whole file into memory first.

daniel.

In reply to Re: file processing, while and foreach: a n00b experience by wirrwarr
in thread file processing, while and foreach: a n00b experience by Ryszard

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