in reply to rename file giving problems

You should drop the bad habit of double-quoting single variables. Once you do that with references, you will be bitten. 
rename ($dir_and_filename, 'C:'.$specific_recipient_directory.'/'.$fil
+e_names[0]) or warn $!;

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--shmem 

_($_=" "x(1<<5)."?\n".q·/)Oo.  G°\        /
                              /\_¯/(q    /
----------------------------  \__(m.====·.(_("always off the crowd"))."·
");sub _{s./.($e="'Itrs `mnsgdq Gdbj O`qkdq")=~y/"-y/#-z/;$e.e && print}

In Section Seekers of Perl Wisdom