Could someone give an example on the proper use of the Safe module. In the Panther book eval allows the use of a variable like so.
my $c;
my $ev = '$c = 4 + 5';
eval($ev);
print $c;

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The printout should be 9. Now when I use Safe on a module it doesn't turn out quite the same way.
my $c;
my $cpt = new Safe;
$cpt->share('$c');
my $ev = '$c = 4 + 5';
$cpt->reval($ev);
print $c;

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When $c is printed out its nothing. Whats going on in Safe? Whats an example of its proper use?

My thanks for your enlightenment,
BMaximus

In reply to The proper use of Safe by BMaximus

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