Perl Query.

["Mallikarjuna Rao V.V.Ch." <mallik@xxxxxxxxxxxx>]

Hi list,
  If I have a subroutine definition in one of my scalar variables, how can I execute
that function? For example:

$a = 'sub output { print "Hello World\n"; }';

Now, How what should I do so that I would be able to execute the function output?

regards,
mallik.