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Note also, that your << 28 assumes that your perl is compiled for 32-bit integers
Well spotted - if you want to use the perl sub that the OP provided then: 1) you will need to be running under the use integer pragma; and 2) you will also need to be running a perl that was built with 32-bit integers. However, as has also been demonstrated, there are ways to obtain the desired result by doing a 0xFFFFFFFF << 28, that will work on both 32-bit integer and 64-bit integer builds. Cheers, Rob In reply to Re^2: Difference between Perl and Java for << operator?
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