Problem with References in perl [closed]

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Please I have a problem understanding references in perl . Can anyone provide a good explanation with an easy to follow examples. I am trying to understand how to precisely apply this concept to do hashes of hashes, hashes of array .

Edit I have tried camel book but I cannot wrap my head around it. The perlref is of great help though thank开发者_StackOverflow社区s for the suggestion

Thanks

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Start reading the Llama book and yes refer perldoc.