The ~ symbol at the start of a run is a synonym for “:else”, and it means that 
the run will only be processed if the current list is empty. There are some 
docs here:

https://tiddlywiki.com/#Filter%20Expression 
<https://tiddlywiki.com/#Filter%20Expression>

Best wishes

Jeremy

> On 12 Jul 2021, at 16:33, Siniy-Kit <[email protected]> wrote:
> 
> Thank you Jeremy. It works good. And where I can read about this "~" symbol 
> in filters. I never use it.   
> 
> понедельник, 12 июля 2021 г. в 18:31:15 UTC+3, [email protected]: 
> Try:
> 
> {{{ [tag[notag]get[price]] ~0 +[minall[]] }}}
> 
> Best wishes
> 
> Jeremy
> 
> 
>> On 12 Jul 2021, at 16:29, Siniy-Kit <[email protected] 
>> <applewebdata://ACFE616F-3E32-476C-A113-BED49D3B0544>> wrote:
>> 
> 
>> OK. How can I get 0 (not infinity) in this filter 
>> {{{[tag[notag]get[price]minall[]]}}} when there is no tiddlers with tag  
>> "notag"
>> 
>> понедельник, 12 июля 2021 г. в 17:48:16 UTC+3, [email protected] 
>> <http://gmail.com/>: 
>> Hi Siniy-Kit,
>> 
>>> Hi!  I use minall[]  in filter,  and sometimes get "infinity" when one of 
>>> the field values is text (not number) How can I check numbers in filter?  
>>> (something like is[number]  )
>> 
>> That seems like a bug with the minall[] operator. All the numeric operators 
>> are supposed to treat items that can’t be parsed as a number as zero. Thus 
>> the following filter returns zero:
>> 
>> 1 2 3 chicken +[minall[]]
>> 
>> Can you give an example of the values that return Infinity?
>> 
>> Many thanks,
>> 
>> Jeremy
>> 
>>> 
>>> -- 
>>> You received this message because you are subscribed to the Google Groups 
>>> "TiddlyWiki" group.
>>> To unsubscribe from this group and stop receiving emails from it, send an 
>>> email to [email protected] <>.
>>> To view this discussion on the web visit 
>>> https://groups.google.com/d/msgid/tiddlywiki/75155f75-3c13-409f-ace8-2799d5d9a7ban%40googlegroups.com
>>>  
>>> <https://groups.google.com/d/msgid/tiddlywiki/75155f75-3c13-409f-ace8-2799d5d9a7ban%40googlegroups.com?utm_medium=email&utm_source=footer>.
>> 
>> 
>> -- 
>> You received this message because you are subscribed to the Google Groups 
>> "TiddlyWiki" group.
>> To unsubscribe from this group and stop receiving emails from it, send an 
>> email to [email protected] 
>> <applewebdata://ACFE616F-3E32-476C-A113-BED49D3B0544>.
> 
>> To view this discussion on the web visit 
>> https://groups.google.com/d/msgid/tiddlywiki/d98e3630-bf04-4202-8963-860fe9c6bd1cn%40googlegroups.com
>>  
>> <https://groups.google.com/d/msgid/tiddlywiki/d98e3630-bf04-4202-8963-860fe9c6bd1cn%40googlegroups.com?utm_medium=email&utm_source=footer>.
> 
> 
> -- 
> You received this message because you are subscribed to the Google Groups 
> "TiddlyWiki" group.
> To unsubscribe from this group and stop receiving emails from it, send an 
> email to [email protected] 
> <mailto:[email protected]>.
> To view this discussion on the web visit 
> https://groups.google.com/d/msgid/tiddlywiki/107a15ad-6821-4a5c-9c43-6906a4e62882n%40googlegroups.com
>  
> <https://groups.google.com/d/msgid/tiddlywiki/107a15ad-6821-4a5c-9c43-6906a4e62882n%40googlegroups.com?utm_medium=email&utm_source=footer>.

-- 
You received this message because you are subscribed to the Google Groups 
"TiddlyWiki" group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to [email protected].
To view this discussion on the web visit 
https://groups.google.com/d/msgid/tiddlywiki/2C7E17F7-1170-4C94-B7E4-D4EEA1F3B279%40gmail.com.

Reply via email to