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Re: Check randomly generated numbers have not been used beforeby toolic (Bishop) |
| on Jun 20, 2014 at 13:39 UTC ( [id://1090634]=note: print w/replies, xml ) | Need Help?? |
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You can read all the numbers from your file and store them into a hash. Then, you can check if a random number exists in your hash. If you show us the format of your file, we can provide further guidance.
In Section
Seekers of Perl Wisdom
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