The problem is that for @{$cacheHOA{$sum}} to be an array, then $cacheHOA{$sum} must be an arrayref. You are trying to use $cacheHOA{$sum} as a string and an arrayref, but perl only has it as the last thing it was set has, which appears to be string (the file name) in this case.

In reply to Re: Stumped on an array ref error... by wog
in thread Stumped on an array ref error... by Madams

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