Quote:
Originally Posted by PeterT
You could probably handle this with a custom column which you would use as the source for the shelf column. Something like
Code:
{:'first_non_empty(field('Series'), field('author_sort'))'}
This would return the Series name if set, else, the author_sort field.
In case a book has no author (not sure if this IS possible) you could also use
Code:
{:'first_non_empty(field('Series'), field('author_sort'),'Uncategorized')'}
to ensure that books ended up on an Uncategorized shelf.
This would all be defined as a custom column in calibre preferences of type Column built from other columns, and then the lookup name would be used in the driver's shelf definition field (prepeneded by a # mark of course). |
Thank you by the tip about "first_not_empty".