Conditional statements or scripting in "Book list template" ?

Boilerplate4U · 08-30-2021, 11:27 AM

Is it possible (and if so how) to use conditional statements or scripting in "Book list template"?

I've got a custom column called "#winner" of type yes/no that I'd like to present only if it's set to yes..
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kovidgoyal · 08-30-2021, 11:54 AM

No, it's a very simple template language. No scripting, conditional expressions. IIRC yes/no columns become yes or no only.

Boilerplate4U · 08-30-2021, 01:10 PM

Ok, thanks for the prompt reply! Cheers!

chaley · 08-30-2021, 04:14 PM

I haven't tried this but I suspect you could make a "Column built from other columns" (composite columns) that computes the result you want, then use that column in the book list template.

Composite columns use the full template language, which supports conditionals and computation.

ownedbycats · 08-30-2021, 11:53 PM

While not quite the same thing, device save paths are limited to the simpler template too, so I created a composite column called #kobopath and used that in the path.

08-30-2021, 11:27 AM	#1
Boilerplate4U Enthusiast Posts: 38 Karma: 10 Join Date: Jul 2020 Device: Kobo Clara HD	Conditional statements or scripting in "Book list template" ? Is it possible (and if so how) to use conditional statements or scripting in "Book list template"? I've got a custom column called "#winner" of type yes/no that I'd like to present only if it's set to yes.. --

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08-30-2021, 11:54 AM	#2
kovidgoyal creator of calibre Posts: 45,300 Karma: 27111240 Join Date: Oct 2006 Location: Mumbai, India Device: Various	No, it's a very simple template language. No scripting, conditional expressions. IIRC yes/no columns become yes or no only.

08-30-2021, 01:10 PM	#3
Boilerplate4U Enthusiast Posts: 38 Karma: 10 Join Date: Jul 2020 Device: Kobo Clara HD	Ok, thanks for the prompt reply! Cheers!

08-30-2021, 04:14 PM	#4
chaley Grand Sorcerer Posts: 12,408 Karma: 8012652 Join Date: Jan 2010 Location: Notts, England Device: Kobo Libra 2	I haven't tried this but I suspect you could make a "Column built from other columns" (composite columns) that computes the result you want, then use that column in the book list template. Composite columns use the full template language, which supports conditionals and computation.

08-30-2021, 11:53 PM	#5
ownedbycats Custom User Title Posts: 10,891 Karma: 74203799 Join Date: Oct 2018 Location: Canada Device: Kobo Libra H2O, formerly Aura HD	While not quite the same thing, device save paths are limited to the simpler template too, so I created a composite column called #kobopath and used that in the path.

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