$dir is a string (aka "toto") and you are trying to use it
as a directory handle. How do you expect that to work?
Let me give you a hint.
Create a file called "tst" and run the following
snippet without strict on.
my $file = "tst";
open ($file, $file) or die "Cannot read $file: $!";
print <tst>;
How did a filehandle get opened on the filehandle tst?
Now read what strict 'refs' is supposed to disallow.
UPDATE
Not my link. tye pointed his tutorial out to me and I
made the change...
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