The endless loop or crash is a result of jqt popup error message inside
paint loop.
You can workaround it by define
wdinfo_z_=: echo_z_
so that messages won't be popup
On Wed, Oct 26, 2022 at 9:33 PM Pablo Landherr <pablo.landh...@gmail.com>
wrote:
> Re "a short verb to validate the data"
>
> How does a *short* verb determine that all possible combinations of plot
> instructions are correct? try. doesn't work. And why doesn't plot do it for
> me?
>
> try. 3+3
>
> |spelling error
>
> | try. 3+3
>
> | ^
>
> Consider the following (which I generated in the browser based J):
> load 'plot'
> 'xlabel a b c d' plot 3 4 5
> |length error: canvas_text
> | res=.tolist(<fn),each(<'ctx.fillText('),each txt
> ,each(<','),each(<("1)0&pfmtjs flipxy pos>.0),each<');'
> |[-0]
>
> That is an excellent outcome. But the same sentence "crashes" not only the
> latest J. In 807, you'll find yourself in an endless loop of error messages
> which only stops after you forcibly shut J down.
>
>
>
> On Wed, Oct 26, 2022 at 3:14 PM Don Guinn <dongu...@gmail.com> wrote:
>
> > Could you write a short verb to validate the data which calls plot if the
> > data is correct to plot or give you an error message if not?
> >
> > On Wed, Oct 26, 2022 at 7:00 AM Brian Schott <schott.br...@gmail.com>
> > wrote:
> >
> > > Resending:
> > >
> > > On Tue, Oct 25, 2022 at 6:02 PM Brian Schott <schott.br...@gmail.com>
> > > wrote:
> > >
> > > > Pablo,
> > > >
> > > > I was able to execute the following code using jconsole.
> > > > See my version info below. Perhaps, this will help.
> > > >
> > > > QA=: {&a.@(a.&i.@]+[QI 26"_)
> > > > QI=: ?.@$
> > > > Fcat=:161 38 QA 'a'
> > > > load'plot'
> > > > ('xlabel ',,Fcat,.' ') plot ?161#100
> > > > JVERSION
> > > > Engine: j903/j64/darwin
> > > > Release-b: commercial/2022-01-28T04:11:24
> > > > Library: 9.03.08
> > > > Platform: Darwin 64
> > > > Installer: J903 install
> > > > InstallPath: /users/brian/j903
> > > > Contact: www.jsoftware.com
> > > >
> > > > On Tue, Oct 25, 2022 at 5:21 PM Pablo Landherr <
> > pablo.landh...@gmail.com
> > > >
> > > > wrote:
> > > >
> > > >> As the discussion seems to have ended, it seems to me that the only
> > > >> remedy,
> > > >> i.e. to not have J crash in case I give *plot* incorrect parameters,
> > is
> > > to
> > > >> revert to an older J-version as the problem was not present when I
> ran
> > > >> J602. Can anyone advise on how far back I should go? 602 or would
> 701
> > or
> > > >> J8
> > > >> series be ok?
> > > >>
> > > >> Kind regards,
> > > >> Pablo Landherr
> > > >>
> > > >> --
> > > > (B=)
> > > >
> > > ----------------------------------------------------------------------
> > > For information about J forums see http://www.jsoftware.com/forums.htm
> > >
> > ----------------------------------------------------------------------
> > For information about J forums see http://www.jsoftware.com/forums.htm
> >
> ----------------------------------------------------------------------
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>
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