Thank you Mark! This is a clever trick. Definitely worth remembering.
Le jeudi 29 avril 2021 à 23:51:53 UTC+2, Mark S. a écrit :
> It's often the case that we need two nested listwidgets to break down the
> results the way we want. In your example, everything is split by ^, but
> then it picks the first item from the resulting list (a1). You could
> instead split by space, send the result to an inner loop, and then split by
> ^ .
>
> But in this case, you could use splitregexp :
>
> {{{ [enlist[a1^a2 b1^b2 c1^c2]splitregexp[\^\w\w]] }}}
>
> a1, b1, c1
>
> On Thursday, April 29, 2021 at 2:15:04 PM UTC-7 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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