As Tony mentioned, subfilters have to be "complete filter runs", not just a
series of operators. Try this, with the enclosing square-brackets:
\define obsname()
[contains:ascend.observation.name
{$:/ascend/state/observation.name.selected}]
\end
"subfilter<obsname>" in your main filter will then pass each individual
title to the subfilter as input, returning all that pass.
Best,
Joshua F
On Wednesday, September 30, 2020 at 4:47:41 PM UTC-7 Cade Roux wrote:
> You have an example I can look at somewhere? I just tried to extract one
> of the filters and it doesn't appear to be working - probably because of
> the curlybracket reference to the value of another tiddler set by the
> dropdowns?
>
> \define obsname()
> contains:ascend.observation.name
> {$:/ascend/state/observation.name.selected}
> \end
>
> Then I tried to use it as subfilter<obsname> in the filter where that
> original filter was and the filter no longer works as expected.
>
> I think I need to make up a toy version of this wiki so people can see it
> in action.
>
> Thanks,
>
> Cade
>
> On Wednesday, September 30, 2020 at 6:22:25 PM UTC-5 joshua....@gmail.com
> wrote:
>
>> You can define sections of that filter as macro definitions, and then
>> call them with "subfilter<macroFilter1>".
>>
>> I.e. "[all[tiddlers+shadows]tag[MyTag]subfilter<macroFilter1>
>> subfilter<macroFilter2> sort[]]"
>>
>> Define them at the start of the tiddler which is using the filter, or
>> define them in other tiddlers and import using the "\import
>> filter-to-import" Pragma at the top of the text field where the filters
>> will be used.
>>
>> Best,
>> Joshua Fontany
>> On Wednesday, September 30, 2020 at 10:41:23 AM UTC-7 Cade Roux wrote:
>>
>>> What is the best technique to break up very long runs in a filter
>>> (preferably to different lines)? Can't use whitespace since that separates
>>> runs. I have a filter that is currently 382 characters.
>>>
>>> It selects a subset of tiddlers on one field, then four other fields
>>> individually have to have tags matching four dropdowns which allow the user
>>> to filter, and then it is sorted. Some of that can be mitigated with
>>> shorted field names, but it still is unwieldy in most editors.
>>>
>>> Thanks,
>>>
>>> Cade
>>>
>>
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