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ハッシュのリファレンス同士をマージさせるには, CPAN モジュールの Hash::Merge を使うと便利です.ただし, Hash::Merge を使わなくても数行でいけます. ## $hashref1 に $hashref1 をマージする. my $hash1 = +{}; my $hash2 = +{};my @array = keys %$hash…