On Sep 16, Brent Clark said:
foreach my $fileName ( keys %$ref_allTariffData ){
print keys $ref_allTariffData{$fileName};
}
The keys() function takes a hash. You used it properly the FIRST time,
but not the second. And, $hash{$key} means that you have a hash called
'%hash', whereas $hash->{$key} means that you have a hash reference stored
in $hash. Your print() line, therefore, should be:
print keys %{ $ref_allTariffData->{$filename} };
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