I am not sure if I follow. What I am trying to do is take:

my @ipAddresses = ("172.16.16.1 ", "172.16.16.1 ", "172.16.16.1 ", "17
+2.16.16.2 ");
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and be able to print something like this while / after the sort:

172.16.16.1,3
172.16.16.2,1
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Thanks!