If you use Emacs, you would be happy to know that Elias Mårtenson has implemented fantastic mode for GNU APL: https://github.com/lokedhs/gnu-apl-mode
It makes working with GNU APL a pleasure and removes the necessity of the full screen editing. Br, /Alexey Hans-Peter Sorge <hanspeterso...@netscape.net> writes: > -------- Weitergeleitete Nachricht -------- > > Betreff: Re: Function editing and line editing have > inconsistencies. > Datum: Thu, 12 Mar 2020 19:04:38 +0100 > Von: Hans-Peter Sorge <hanspeterso...@netscape.net> > An: Blake McBride <blake1...@gmail.com> > > I'd like it that way. > > In IBM APL2 you can do full screen editing. But in Gnu-APL only line editing > can be done. > > I think it would be a rather big change to the terminal functionality to make > it work like IBM > APL2. > > I did use emacs / M-x shell. This can handle screen editing of any line > (input and output). > However the original line being edited gets echoed too and > as more than one line can be edited only the most recent line which was > edited gets > echoed, > and any other line that was edited too, remains as is. > In IBM-APL2, any line changed will become an input line. > > Best Regards, > Hans-Peter > > > Am 12.03.20 um 15:57 schrieb Blake McBride: > > I would suggest looking at IBM APL2 and just do what they do. > > --blake > > On Thu, Mar 12, 2020 at 9:42 AM Hans-Peter Sorge > <hanspeterso...@netscape.net> > wrote: > > Hi, > > There are two inconsistencies (and slightly annoying) when editing: > > 1 - is a small inconsistency when deleting lines in editor mode. > > ∇X[⎕] > [0] X > [1] a > [2] b > [3] c > [4] d > [5] e > [6] f > ∇ > [7] [∆1-3] the editor only deletes lines 1 and 2 > [6] [⎕] > ∇ > [0] X > [3] c > [4] d > [5] e > [6] f > ∇ > [7] [∆4-7] but the editor complains, if I want to delete the last line > ∇-command failed: Bad line number N in [M∆N] > [7] [∆4-6] again last line is being excluded from delete > [6] [⎕] > ∇ > [0] X > [3] c > [6] f > ∇ > [7] [∆6] need to delete last line in an additional step. > [7] [⎕] > ∇ > [0] X > [3] c > ∇ > > Expected: delete lines x to y including line y in [∆x-y] > > 2 - moving cursor to previous line(s) skips most recent entry > > enter: > 123 > 123 > 456 > 456 > > cursor up - display entry line 456 > cursor up - display entry line 123 > cursor down - display entry line 123 > cursor down - display current entry line > cursor up - display line 123 - should be line 456 > > In general: > after ENTER, the cursor moves one line up > after a CURSOR move up/down, the cursor moves two lines up. > This is also true during function editing. > > Expected: cursor move should be line by line. > > Best Regards, > Hans-Peter > -- Br, /Alexey
