push @AoH, %data

This flattens the hash %data, which is not what you want. Instead push @AoH, \%data, which pushes a (not flat) reference.

Please read perlreftut on how you can use references to build complex data structures.

In reply to Re: Adding data to hashes & comparing by moritz
in thread Adding data to hashes & comparing by hallikpapa

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