Without getting into any changes to the style of your code. It seems like you could have generic sub that can do both checking and adding if you pass your name and statement as arguments.

sub workItem {
    my $self = shift;
    my %args = @_;

    die "Must supply value for name" unless ($args{name});
    die "Must supply value for statement" unless ($args{statement});

    my $retval = $self->_execute( handle    => 'appfme',
                                  statement => [ $args{statement} ],
                                  bindvar   => [ $args{name} ],
                                  output    => 1);

}
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Unless I missed something in your original code this should allow to check and add actors/directors/genre etc.

mr greywolf