You might get more information about it here as well.
update:
As BrowserUk stated to use parens not curlies, i do think it's an idea to read about References as well.

"We all agree on the necessity of compromise. We just can't agree on when it's necessary to compromise." - Larry Wall.

In reply to Re: Sorting a hash of arrays based on a particular array element. by jbrugger
in thread Sorting a hash of arrays based on a particular array element. by aditya.singh

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