Thank you. Looking at your concise solution and then at the definition of
Fetch, I realise that, as usual, J will provide you with the right tool
almost all the time. You just have to know all the tools.
On Fri, Sep 29, 2023 at 3:45 PM Henry Rich <henryhr...@gmail.com> wrote:
> Something like
>
> (<1 0)&{::@> data
>
> untested.
>
> Henry Rich
>
> On 9/29/2023 9:39 AM, Pablo Landherr wrote:
> > I have the following
> >
> > *data=: dec_json {some data source}*
> >
> > *$data*
> >
> > 48
> >
> > *{.data*
> >
> >
> ┌──────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────┐
> >
> >
> │┌─────────┬──────┬────────────────┬─────────────────────┬─────────────────┬───────┬──────────────────┬──────────────────┬────────────┐│
> >
> > ││seriesId │source│shortDescription│midDescription │longDescription
> > │groupId│observationMaxDate│observationMinDate│seriesClosed││
> >
> >
> │├─────────┼──────┼────────────────┼─────────────────────┼─────────────────┼───────┼──────────────────┼──────────────────┼────────────┤│
> >
> > ││SEKATSPMI│Nasdaq│ATS │ATS Austria, shilling│Austrian shilling│130
> > │2002-02-28 │1993-01-04 │json_true ││
> >
> >
> │└─────────┴──────┴────────────────┴─────────────────────┴─────────────────┴───────┴──────────────────┴──────────────────┴────────────┘│
> >
> >
> └──────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────┘
> >
> > *5{.seriesId=: >>0&{&.>1&{&.> data*
> >
> > SEKATSPMI
> >
> > SEKAUDPMI
> >
> > SEKBEFPMI
> >
> > SEKBRLPMI
> >
> > SEKCADPMI
> >
> > (Apologies if the boxes are wrapped and look confusing)
> >
> >
> > I wonder if someone can suggest a more "elegant" expression than
> >>> 0&{&.>1&{&.> from above? What I have works, but to me, it looks a bit
> > ugly.
> >
> >
> > Thank you,
> >
> > Pablo Landherr
> > ----------------------------------------------------------------------
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>
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