Yes.
On my machine, having restored the original App Store app, it gives:
not found:
/private/var/mobile/Containers/Data/Application/6AF656DB-BA4F-4FEA-BC8B-81302C6746B2/Documents/j/addons/dev/fold/foldr.ijs
|nonce error
| - F:.+i.6
Sorry, did I write: fold.ijs earlier?
You need foldr.ijs as well.
On Sat, 22 Oct 2022 at 00:02, Henry Rich <henryhr...@gmail.com> wrote:
> The error message said that the foldr script is missing, didn't it?
>
> Henry Rich
>
>
> On Fri, Oct 21, 2022, 6:49 PM 'Mike Day' via Programming <
> programm...@jsoftware.com> wrote:
>
> > Getting off topic, but why don’t the new Fold primitives work in the
> iPad
> > app, given it’s J9.03 beta-k?
> >
> > The info screen links to a NuVoc description. I tried the example
> > starting with
> >
> > v=: dyad define
> > z=. y + 0.01
> > z [smoutput x ; 'v' ; y ; '-->' ; z
> > )
> > …..
> >
> > Pasting into a new script and running leads to the kind of error reported
> > by Ed.
> >
> > Cheers,
> >
> > Mike
> >
> > Sent from my iPad
> >
> > > On 21 Oct 2022, at 23:21, Ian Clark <earthspo...@gmail.com> wrote:
> > >
> > > Bob writes
> > >> I am pretty sure that the iPad version of J is version 901
> > >
> > > Actually it's the beta-k version of j903.
> > > j901 is the App Store "Product Name" (…poor choice) and is carved in
> > > stone, alas.
> > > Updates have to keep the same name, else it's an entirely new product.
> > >
> > >> On Fri, 21 Oct 2022 at 19:57, 'robert therriault' via Programming <
> > >> programm...@jsoftware.com> wrote:
> > >>
> > >> Ed,
> > >>
> > >> I am pretty sure that the iPad version of J is version 901
> > >>
> > >> Cheers, bob
> > >>
> > >>> On Oct 21, 2022, at 11:55, Jan-Pieter Jacobs <
> > janpieter.jac...@gmail.com>
> > >> wrote:
> > >>>
> > >>> I don't know whether you'r only looking for a tacit function, but
> this
> > >>> would also likely work if fold is unavailable for you (untested):
> > >>>
> > >>> {{ for_val. y do. if. f val do. val_index{y return. end. end.}}
> coords
> > >>>
> > >>> Jan-Pieter
> > >>>
> > >>> On Fri, 21 Oct 2022, 19:51 Ed Gottsman, <edward.j.gotts...@gmail.com
> >
> > >> wrote:
> > >>>
> > >>>> Pascal,
> > >>>>
> > >>>> Your original solution is perfect for me—I don’t happen to need the
> > >>>> index. And there may in fact be no items with f = 1.
> > >>>>
> > >>>> Very clever: it gets a place of honor in the flashcard deck :-).
> > >>>>
> > >>>> Many thanks.
> > >>>>
> > >>>> Ed
> > >>>>
> > >>>> Sent from my iPad
> > >>>>
> > >>>>> On Oct 21, 2022, at 12:46 PM, 'Pascal Jasmin' via Programming <
> > >>>> programm...@jsoftware.com> wrote:
> > >>>>>
> > >>>>> if you want the index rather than the coordinate values, then
> > >>>>>
> > >>>>> (1 i.~ f) y
> > >>>>>
> > >>>>> will "short circuit" to the first 1
> > >>>>>
> > >>>>> and
> > >>>>>
> > >>>>> ({~ 1 i.~ f)
> > >>>>>
> > >>>>> may be faster to get first coordinates than my original solution,
> > >> though
> > >>>> errors if there are no items with 1 = f
> > >>>>>
> > >>>>>
> > >>>>>
> > >>>>>
> > >>>>> On Friday, October 21, 2022 at 12:55:41 p.m. EDT, 'Pascal Jasmin'
> via
> > >>>> Programming <programm...@jsoftware.com> wrote:
> > >>>>>
> > >>>>>
> > >>>>>
> > >>>>>
> > >>>>>
> > >>>>> }.^:(0 = f@{.)^:_
> > >>>>>
> > >>>>> will return the list with the head being the first f not equal 0.
> > >>>>>
> > >>>>>
> > >>>>>
> > >>>>>
> > >>>>>
> > >>>>>
> > >>>>> On Friday, October 21, 2022 at 12:19:41 p.m. EDT, Ed Gottsman <
> > >>>> edward.j.gotts...@gmail.com> wrote:
> > >>>>>
> > >>>>>
> > >>>>>
> > >>>>>
> > >>>>>
> > >>>>> Hi. I’m blanking on something basic and research isn’t helping.
> > When
> > >>>> the blindingly obvious solution is revealed I will blame a
> combination
> > >> of
> > >>>> sleep deprivation and senescence.
> > >>>>>
> > >>>>> I’ve got a long list of coordinates ordered by desirability. I
> want
> > to
> > >>>> invoke f (a custom script) with each coordinate in turn. f may
> > return 0
> > >>>> (failure), in which case I want to invoke it again with the next
> > >>>> coordinate. When f (eventually) returns 1, I want to terminate—the
> > >>>> remainder of the coordinates should not be processed. (Note that
> the
> > >> very
> > >>>> first invocation of f may return 1.)
> > >>>>>
> > >>>>> This *almost* feels like ^: in its Do While form. Almost. It also
> > >>>> feels like SCs around list operations (though they seem to be
> limited
> > to
> > >>>> primitives).
> > >>>>>
> > >>>>> Help.
> > >>>>>
> > >>>>> Many thanks.
> > >>>>>
> > >>>>> Ed
> > >>>>>
> > >>>>> Sent from my iPad
> > >>>>>
> > ----------------------------------------------------------------------
> > >>>>> For information about J forums see
> > http://www.jsoftware.com/forums.htm
> > >>>>>
> > >>>>>
> > ----------------------------------------------------------------------
> > >>>>> For information about J forums see
> > http://www.jsoftware.com/forums.htm
> > >>>>>
> > ----------------------------------------------------------------------
> > >>>>> For information about J forums see
> > http://www.jsoftware.com/forums.htm
> > >>>>
> ----------------------------------------------------------------------
> > >>>> For information about J forums see
> > http://www.jsoftware.com/forums.htm
> > >>>>
> > >>>
> ----------------------------------------------------------------------
> > >>> For information about J forums see
> http://www.jsoftware.com/forums.htm
> > >>
> > >> ----------------------------------------------------------------------
> > >> For information about J forums see
> http://www.jsoftware.com/forums.htm
> > >>
> > > ----------------------------------------------------------------------
> > > For information about J forums see http://www.jsoftware.com/forums.htm
> > ----------------------------------------------------------------------
> > For information about J forums see http://www.jsoftware.com/forums.htm
> >
> ----------------------------------------------------------------------
> For information about J forums see http://www.jsoftware.com/forums.htm
>
----------------------------------------------------------------------
For information about J forums see http://www.jsoftware.com/forums.htm
