Peter Fleck wrote:
> I just stumbled upon this in some perl I'm working on:
>
> for $arrayref (@datedbi) {
> #do stuff
> }
>
> It didn't look right and sure enough, it should be 'foreach'.
>
> But it worked fine and that's my question - why is this working?
>
> @datedbi's elements are references to lists and they all seem to be
> getting processed the way I want whether I use 'for' or 'foreach' in
> the code.
Perl internally compiles 'for' into 'foreach' for you:
[panda]$ perl -MO=Deparse -e 'for $i (1..4){;}'
foreach $i (1 .. 4) {
();
}
-e syntax OK
[panda]$
they are exactly the same.
david
--
To unsubscribe, e-mail: [EMAIL PROTECTED]
For additional commands, e-mail: [EMAIL PROTECTED]
