I also get the error message:
Modification of a read-only value attempted at -e line 5.
This is perl, v5.8.8 built for i486-linux-gnu-thread-multi

edit: actually wanted to reply to the original posting.

In reply to Re^2: Profiling with List::Util qw(shuffle) by tinita
in thread Profiling with List::Util qw(shuffle) by fishy

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