[HRPM] nother one
Robert Kernell
kernell at sundog.larc.nasa.gov
Wed Nov 15 14:52:27 CST 2000
Hmm, I just started learning Perl, but I don't think you can do it. Just a
guess.
Maybe you could make a copy of the array and use that in your foreach loop to
peek ahead.
> Hey,
>
> This may turn out to be a stupid question, but nothing ventured nothing
> gained...
>
> Is there a way to peek ahead in a foreach loop?
>
> For example, foreach $elem (@array){}
> can I look at $elem+1 while looking at $elem? I realize I can do the same
> type of loop using a while loop and then checking $array[i+1] (where i is
> the current element) but I was curious if there was a way to do it with
> a foreach loop.
>
> Thanks
> Troy
>
Bob Kernell
Research Scientist
Atmospheric Sciences Competency
Analytical Services & Materials, Inc.
email: r.w.kernell at larc.nasa.gov
tel: 757-827-4631
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