&{ # code here returns a value, # that's interpreted as the name # of the subroutine to call... } #### my $subroutine = sub { # code here defines an anonymous sub }; $subroutine->( @arguments ); #call sub #### unless ($newSeriesSth->execute()) { # error handling } #### -- Joost downtime n. The period during which a system is error-free and immune from user input.