It means your professor is either overly tricky or should think his/her questions through a bit more. In the case of DBI the parens do nothing except take up space and maybe mislead someone. 

~>ack \@EXPORT DBI.pm
@EXPORT    = ();                    # we export nothing by default
@EXPORT_OK = qw(%DBI %DBI_methods hash); # also populated by export_ok
+_tags:

[download]

Update: DERP, didn't see the whole thread. CountZero is asking a good question. The answer to which is... left as an exercise for the reader you.

In reply to Re^2: Question about this simple CGI by Your Mother
in thread Question about this simple CGI by Chaotic Jarod

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