On 17/05/2013 14:39, *Shaji Kalidasan* wrote:
[CODE1]
keys %{$$disk_type_ref{$pool}};
[/CODE1]
Moreover, what does $$ mean here
%{$$disk_type_ref{$pool}};
can also be written as
%{ $disk_type_ref->{ $pool } };
See further perldsc.
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