I am not sure what kind of interfaces were available in the old days.
I have never really used spreadsheets, but for me there would be a
strict increase in utility in being able to edit and display data in a
spreadsheet as opposed to keeping track of various variables and
manually figuring out which variables must be recomputed and
recalculating their contents when a dependency changes. This also has
increased utility compared to maintaining a GUI which probably needs
to be programmed with text and recompiled/rerun every time the user
wants to change the interface or move things around.

It would be nice if there were a good shell interface for LibreOffice,
where you are, for a start, piping TSVs between J and regions in a
spreadsheet. It doesn't seem that such a thing exists, and I am not
sure how much work it would take. I wish I had the time to look into
this.

On Wed, 6 Jan 2021 at 13:14, Scott Locklin <locklin.sc...@gmail.com> wrote:
>
> Two alternatives: there's R methods for dealing with OpenOffice, and a J
> package for calling R methods. Probably not the experience you're looking
> for. There's also a couple of QT demos which have a spreadsheet like
> interface if you just want the experience of seeing the data laid out in
> graphical format. I've used bits of these before and they're handy and easy
> to use.
>
> Weren't APLs used in the old days in places people commonly use
> spreadsheets now?  I don't think I've really ever used a spreadsheet except
> as an ad-hoc database to share with others TBH.
>
>
> On Wed, Jan 6, 2021 at 12:40 AM bill lam <bbill....@gmail.com> wrote:
>
> > Interfacing excel or openoffice can be done using com interface, but the
> > technology is windows specific.
> >
> > openoffice also supports interface to python, but can't be called from J
> > directly.
> >
> > Another approach is to parse an excel workbook directly from J and then
> > write back changes to the file. But this involves lots of work.
> >
> > On Tue, Jan 5, 2021, 11:40 PM Justin Paston-Cooper <
> > paston.coo...@gmail.com>
> > wrote:
> >
> > > Hello,
> > >
> > > I don't know much Excel, and I know some J. The dataflow aspect of
> > > Excel excites me, and I am averse to GUI programming.
> > > https://code.jsoftware.com/wiki/Articles/JExcel details how to
> > > integrate J with Excel. I don't know how up-to-date this is.
> > >
> > > Because I run Linux, it would be difficult for me to run Excel. Are
> > > there any interesting alternatives that would enable me to quickly
> > > build interfaces involving dataflow? I couldn't find anything on using
> > > Libreoffice Calc.
> > >
> > > Thanks in advance,
> > >
> > > Justin
> > > ----------------------------------------------------------------------
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> > >
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