Agggh! I wrote "*all[current]*" but I wanted to write "*all[tiddlers]*"
Now i put a more simple example which works in tiddlywikiDOTcom , there are
6 tiddler with tag "HelloThere", then filter return 6 times "TRUE" but It
was trimmed with (undocumented) unique operator.
{{{ [all[tiddlers]contains:tags[HelloThere]then[TRUE]unique[]] }}}
If change the field tags to tagss the output of filter is empty.
Now you can put your action inside of a listwidget.
<$list filter="[all[tiddlers]contains:id<value>then[TRUE]unique[]]" >
*Do X*
</$list>
El domingo, 21 de febrero de 2021 a las 16:11:35 UTC+1, Mark S. escribió:
> Try
>
> [id<id>then[yes]else[no]compare:string:eq[no]]
>
> On Sunday, February 21, 2021 at 1:47:35 AM UTC-8 Mat wrote:
>
>> Need some filter help. Pseudocode:
>>
>> <$vars value={{foo!!value}}>
>> filter=Among all tiddlers with an id field, if there is no tiddler with
>> id:<value> then do X but if there is a tiddler with id:<value> then do
>> nothing
>> </$vars>
>>
>> I assume it is some kind of then ... else construct but I can't quite
>> materialize it and I'm getting confused by how I loose the tiddler titles
>> if I look at their field values. Maybe I need something with the
>> subfilter operator but I'm not sure how... ?
>>
>> Thank you.
>>
>> <:-)
>>
>
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