Quote:
Originally Posted by Kartoffelr
Sadly, i fail trying to create a user column with this. And i have NO idea what a template is in this context. 
Maybe the calibre UI translation (german instead of english) is in the way, too? |
Create a user column "Built from other columns". Do not use "Built from other columns, behaves like tags". Name it however you want. Put the following
Template Program Mode template into the "template" box"
Code:
{:'ifempty(human_readable(booksize()), '0 B')'}
The following screen capture shows what I am talking about.