[eschwartz]

Originally Posted by svda

Yes, no date => blank

Right, so what's the problem? It's already doing that. If pubdate is undefined, it will be left out. Although I did discover that the space between the author and the title, if there is no series or pubdate, is missing, so I migrated it out of the ifempty test. Fixed version:

program:
    strcat(
        template("{author_sort}/{title}/{author_sort} - {series:|[|}"),' ',
        ifempty(
            finish_formatting(
                field("series_index"),
                '0>3',
                '',
                '] '
            ),
            finish_formatting(
                format_date(
                    field('pubdate'),
                    'yyyy'),
                '',
                '(',
                ') '
            )
        ),
        field('title')
)