It does so along with some "use of uninitialized value" warnings, corresponding to the values 0, 6, 7, 8, 9 of $counter which are not valid keys in your example . (tested with perl 5.6)
Well, it would, had he included this line in his script: 
use warnings;

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Indeed this, and 
use strict;

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are the most important lines in most perl scripts!

In reply to Re^2: printing array values by blazar
in thread printing array values by texuser74

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