You really should learn about arrays of hashes from perldsc, but here you go: 
my @order = sort { $HOST_NAME[$a] cmp $HOST_NAME[$b] } 0 .. $#HOST_NAM
+E;
foreach my $i (@order) {
   print "$HOST_IP[$i]:$HOST_NAME[$i]:$HOST_DESCRIPTION[$i]\n";
}

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In reply to Re: sorting arrays with common index by Anonymous Monk
in thread sorting arrays with common index by shabang

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