Hmmm.... It has never worked for me. I always thought I was doing some thing wrong but I never needed it. I needed it today....

My Perl

/tmp$ perl -v

This is perl 5, version 18, subversion 2 (v5.18.2) built for x86_64-li
+nux-gnu-thread-multi
(with 41 registered patches, see perl -V for more detail)

[snip]
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My OS...

/tmp$ cat /etc/issue
Ubuntu 14.04.3 LTS \n \l
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