Nestling, in such a way anyway, is something I had not thought about.
In fact, this is only a part of the pipeline. Can I get back a united
output afterwards? I'll experiment and if I'm at loss, I'll post again.
A question remains for me: Why is "split + last" apparently working on so
different data when called by sortsub or subfilter? Aren't they just
calling a filter? What is causing the diffirence? I think it would be wise
and good for me to understand what cause the difference in behavior of such
similar patterns.
regards,
--
Jean-Pierre
Le vendredi 30 avril 2021 à 07:15:37 UTC+2, TW Tones a écrit :
> Jean-Pierre;
>
> I am not sure about your requirement, but try these
>
> <$list filter="[enlist[a1^a2 b1^b2 c1^c2]]">
> {{{ [<currentTiddler>split[^]first[]] }}}
> </$list>
> <hr>
> <$list filter="[enlist[a1^a2 b1^b2 c1^c2]]">
> <$list filter="[<currentTiddler>split[^]first[]]">
>
> </$list>
> </$list>
> <hr>
> <$list filter="[enlist[a1^a2 b1^b2 c1^c3]split[^]]">
>
> </$list>
> <hr>
> <$list filter="[[a1^a2 b1^b2 c1^c3]split[ ]split[^]]">
>
> </$list>
>
> I was recently considering a similar problem, when someone was questioning
> nesting list widgets, when I realised the $list with filters can act as
> gosub, while, do until etc... so nesting them is by definition sometimes a
> logical requirement depending what you are trying to achieve with your
> filters. Nesting is not easy or possible in many cases with triple curly
> braces.
>
> Regards
> Tones
>
> On Friday, 30 April 2021 at 07:15:04 UTC+10 jn.pierr...@gmail.com wrote:
>
>> Toying with filters, I discovered that the split operator agglomerates
>> its results when ist operates on successive titles.
>>
>> for instance : {{{ [enlist[a1^a2 b1^b2 c1^c2]split[^][]first[]] }}}
>> results in a1 not in a1, b1, c1
>>
>> a sufilter dos not change anything:
>>
>> <$vars sf="[split[^]dump[]first[]]">
>> {{{ [enlist[a1^a2 b1^b2 c1^c2]subfilter<sf>] }}}
>> </$vars>
>>
>> In fact, in each case, after split, the filter values are a1, a2, b1, b2,
>> c1, c2.
>>
>> could there be a way to have [a1, a2], [b1, b2], [c1, c2]
>> from enlist[a1^a2 b1^b2 c1^c2] ?
>>
>> let's use sortsub and a little input set to see that what I am asking for
>> may not be that impossible.
>>
>> <$vars sf="[split[^]dump[]last[]]">
>> {{{ [enlist[a1^22 b1^28 c1^14]sortsub<sf>] }}}
>> </$vars>
>>
>> reults in c1^14, a1^22, b1^28
>>
>> which demonstrate that here split produces things like c1, 14 on which
>> split act upon. exactly what I wanted to achieve with subfilter.
>>
>> --
>> Jean-Pierre
>>
>>
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