Hi Corion,

You sir are a Genius!! I see it!!

C:\Users\pritesh\textfiles>perl undef.pl
Before: $VAR1 = {};
After: $VAR1 = {
          '1' => undef,
          '3' => undef,
          '54' => undef,
          '2' => undef,
          '4' => undef,
          '45' => undef,
          '55' => undef
        };

[download]

So like you said, the undef @unique{@array} basically does the magical thing of taking all the the elements in the @array, setting them as a key and "undef" the value. Now, keys gotta be unique, so it's going to remove the duplicates, and just keep the unique keys.

Boy, I feel like Neo when he finally "gets" the Matrix :D

On a serious note, Data::Dumper should be called Data::Enlightenment :)

In reply to Re^2: What does undef do when I say @hashslice{@array} = undef by pritesh
in thread What does undef do when I say @hashslice{@array} = undef by pritesh

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