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The second piece of code will basically match all the nulls and put them into an anonymous array and then put the size of that array into $nulls. From a couple of tests I did using Devel::Size, an array with half a million nulls will take up about 320 MB. If you go any larger, this will quickly exhaust memory on a standard computer.

In reply to Re: Out of Memory by CountOrlok
in thread Out of Memory by Michael Kittrell

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