On Jul 13, The Ghost said:
foreach my $col (keys %{$ref}) {
$results[$x]{$col}=$ref->{$col};
}
$x++;}
The @results array holds hash references...
foreach my $result (@results) {
foreach my $key (keys {$results[$x]}) {
Here you want to do:
foreach my $key (keys %$result) {
since each element in @results is a hash-ref, and $result is an element
from @results, you need to gets its keys. Since $result is a hash
reference, you need to write %$result to get at the hash.
print "$key: $result{$key}\n";
Likewise, that should be $result->{$key}.
} }
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