keys needs a hash, not a hashref. You have to dereference the hashref to be left with a first-class hash: 

foreach my $source ( keys %allData ) {
    foreach my $dest ( keys %{ $allData{$source} } ) {
        # access the values
    }
}

[download]

See also perlref, perlreftut, and perldsc.


Dave

In reply to Re: Simple Anon Hash Query by davido
in thread Simple Anon Hash Query by murtu_4u

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