Don't you use warnings? 
>perl -we"my @Array; @Array[0] = '1,5';"
Scalar value @Array[0] better written as $Array[0] at -e line 1.

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@Array[LIST] is used when multiple elements are being set or returned.
$Array[SCALAR] is used to address a single element.

In reply to Re: Sorting array with multiple values per keys by ikegami
in thread Sorting array with multiple values per keys by cowgirl

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