Perl Tutorials -Part 26 – Multidimensional hashes

Posted on May 27, 2010. Filed under: Perl Tutorials |


#example of perl multi-dimentional hash initiating
%cacti = 
(                                    #round brackets
       'mutantRed' =>
       {                             #curly brackets
                 'genus' => 'gymnocalaceum',
                 'species' => 'mihanovichii'
       },
       'starShape' =>
       {
                 'genus' => 'astrophytum',   #=> is reference
                 'species' => 'ornatum'
       }
);
#example of perl multi-dimentional hash element reference
print $cacti{'starShape'} -> {'species'};     # -> is pointer

Output:
1
ornatum
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