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Multidimensional Arrays

by CharlesClarkson (Curate)
on Jun 22, 2001 at 11:11 UTC ( #90647=perltutorial: print w/replies, xml ) Need Help??

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  1. or download this
        my @array = (1, 2, 3, 'four');
  2. or download this
        print $array[0];
              ^
    
  3. or download this
        my @array = (1, 2, 3, 'four');
        my $reference = \@array;
        print $reference;
    
  4. or download this
        ARRAY(0x1a6527c)
  5. or download this
        my @array = (1, 2, 3, 'four');
        my $reference = \@array;
        print $reference;
        push @array, (1 .. 1000);
        $reference = \@array;
        print $reference;
    
  6. or download this
        ARRAY(0x1a6527c)ARRAY(0x1a6527c)
  7. or download this
        my @array = (1, 2, 3, 'four');
        my $reference = \@array;
        print $reference->[0];
    
  8. or download this
        1
  9. or download this
        my @array = (1, 2, 3, 'four');
        my $reference = \@array;
        $reference->[0] = 'one';
        print "@array";
    
  10. or download this
        one 2 3 four
  11. or download this
        my @array = (1, 2, 3, 'four');
        print $array[0];
    
  12. or download this
        1
  13. or download this
        my @array = (1, 2, 3, 'four');
        my $reference = \@array;
        print $reference->[0];
    
  14. or download this
        1
  15. or download this
        my @array1 = (1, 2, 3, 'four');
        my $reference1 = \@array1;
        my @array2 = ('one', 'two', 'three', 4);
    ...
    
        # this refers to the first item of the first array:
        print $array[0]->[0];
    
  16. or download this
        1
  17. or download this
        my @array1 = (1, 2, 3, 'four');
        my $reference1 = \@array1;
    
  18. or download this
        my $reference1 = [1, 2, 3, 'four'];
  19. or download this
        my @array1 = (1, 2, 3, 'four');
        my $reference1 = \@array1;
        my @array2 = ('one', 'two', 'three', 4);
    ...
    
        my @array = ($reference1, $reference2);
        print $array[0]->[0];
    
  20. or download this
        my @array = ( [1, 2, 3, 'four'], ['one', 'two', 'three', 4] );
        print $array[0]->[0];
    
  21. or download this
        1
  22. or download this
        my @array = ([1, 2, 3, 'four'], ['one', 'two', 'three', 4]);
        print $array[0][0];
    
  23. or download this
        1
  24. or download this
        my @shapes = (
                [qw/circle square triangle polygon/],
                [qw/red green blue yellow fuschia/] );
    
  25. or download this
        use Data::Dumper;
        print Dumper \@shapes;
    
  26. or download this
    $VAR1 = [
              [
                'circle',
    ...
                'fuschia'
              ]
            ];
    

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