[ESS] file completion R script buffer not auto completing

[Ista Zahn]

On Fri, Dec 16, 2016 at 9:02 AM, Stephen Sefick <ssefick using auburn.edu> wrote:
> Thank you both for the useful comments. I will try setting C-c TAB
> in .emacs, and it is useful to know about a file needing a ., /, etc.

Just to clarify, I was describing the behavior of company completions
in a R script buffer. The comint-dynamic-complete stuff is totally
different and probably doesn't work the same way.

--Ista

I
> use ESS instead of R Studio now, and I like it very much. I appreciate
> all of the work that went into this software. Thank you!
> kindest regards,
>
> Stephen
>
> On Thu, 2016-12-15 at 13:51 -0500, Ista Zahn wrote:
>> On Thu, Dec 15, 2016 at 12:32 PM, Martin Maechler
>> <maechler using stat.math.ethz.ch> wrote:
>> >>>>>> Stephen Sefick <ssefick using auburn.edu>
>> >>>>>>     on Wed, 14 Dec 2016 11:45:49 -0600 writes:
>> >
>> >     > Hello:
>> >     > Long time R user; new ESS user. Thank you all so much for this wonderful
>> >     > IDE. I am having problems with the ESS and the R script buffer.
>> >
>> >     > I would like to be able to use an autocomplete file name/path like in R
>> >     > studio. I am sure that I am missing something in my .emacs file. Please
>> >     > let me know what things would be helpful to post in order to diagnose my
>> >     > problem.
>> >
>> > Completion (not just on file names) is "of course" a very very
>> > old topic in emacs and hence also ESS.
>> >
>> > I'm interested to hear what others say... notably those who know
>> > modern (>= 24.x or even >= 25.x) emacs well
>>
>> I don't know modern emacs well, but I'd like to think I know how to
>> use it pretty well.
>>
>> ESS uses company to complete if available. On my system it works
>> pretty well for completing file names, though the string must start
>> with '.', '~', or '/'. That is, if I have a directory named 'data' in
>> my working directory, 'dat will not complete but './da' will.
>>
>> So, as far as I know you just need to install (and load? or does ESS
>> do that for you?) the company package.
>>
>> Best,
>> Ista
>>
>> >
>> > The filename vs / and object name (of R objects in this case)
>> > completion becomes relevant here and ideally ESS would know
>> > which kind of completion is desired here.
>> >
>> > In the very remote past I had decided to distinguish between
>> > filename completion and object name completion --- which is
>> > nicely built into ESS and typically activated just by [Tab].
>> >
>> > For this reason, I've been using (in my ~/.emacs or rather
>> > 'default.el' equivalent) for many years
>> >
>> >   ;;=== Define C-c-Tab (Alt-Tab = Meta-Tab is *taken* by "GUI")
>> >   ;;=== for File Name Completion ===
>> >   (autoload 'comint-dynamic-complete          "comint" nil t)
>> >   (autoload 'comint-dynamic-complete-filename "comint" nil t)
>> >   (define-key global-map [?\C-c tab] 'comint-dynamic-complete-filename)
>> >   (if xemacs-p
>> >       (progn
>> >         ;; The following WORKS in xemacs, but gives an ERROR when default.el
>> >         ;; is only LOADED in GNU emacs (20.2):
>> >         ;; BUG (define-key global-map "\C-\M-\t" 'comint-dynamic-complete)
>> >         )
>> >     ;; else
>> >     (define-key global-map [C-M-tab] 'comint-dynamic-complete)
>> >     )
>> >
>> >
>> >
>> > BTW: I have no idea what Rstudio is doing (and how they do it).
>> > As "they" learnt so much from ESS initially (which was
>> > acknowledged orally at the time), maybe  we could learn from
>> > Rstudio on this issue now...
>> >
>> > or see how other interpreted languagues such as emacs lisp or
>> > bash or ??  deal with this.
>> >
>> >
>> >
>> >     > I appreciate the help.
>> >
>> > Maybe try the above and then use    C-c [Tab]
>> > which is stored in my fingers in the mean time..
>> >
>> > Martin
>> >
>> >     > kindest regards,
>> >     > Stephen
>> >
>> > ______________________________________________
>> > ESS-help using r-project.org mailing list
>> > https://stat.ethz.ch/mailman/listinfo/ess-help
>
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