On Sat, Apr 12, 2008 at 05:06:53AM -0000, John M. Dlugosz wrote: > What is the difference between: > > sub head(*$head, [EMAIL PROTECTED]) > > and > > sub head($head?, [EMAIL PROTECTED]) >
If you call head(@foo), in the first $head gets @foo[0] and in the second it gets nothing (you didn't pass a scalar). -ryan
