On a 32-bit machine, the highest index you can have is 2 ** 31 -1. After that you get an error msg saying: "Modification of non-creatable array value attempted".

But you may fail long before you reach that point, because out of memory.

my @a;
$a[2 ** 31] = 1;

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In reply to Re: Limit on array size? by pg
in thread Limit on array size? by Dogg

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