-bash-3.00$ perl -MThread::Queue -e 'print $Thread::Queue::VERSION . "\n"'
2.00
-bash-3.00$ perl -Mthreads::shared -e 'print $threads::shared::VERSION . "\n"'
1.27
-bash-3.00$ perl -Mthreads -e 'print $threads::VERSION . "\n"'
1.71