Re: emacsclient in elisp

[Jean Louis]

* Stefan Monnier <monnier@iro.umontreal.ca> [2021-05-20 19:41]:
> >> Yes, synchronously reading from stdin is supported. But it is not
> >> possible to do this asynchronously, or is it? This was specifically the
> >> functionality I have been looking for.
> > What do you mean by that? how can Emacs read input _asynchronously_
> > when reading is inherently a synchronous operation?
> 
> I think the problem is that in batch mode, `read-from-minibuffer` is not
> only synchronous (which is fine) but it doesn't perform any async
> processing, like running process filters and timers while waiting for
> the input from stdin.

Please send a reference how read-from-minibuffer reads standard input,
as I don't get it to work.

(defun tell-me ()
  (read-from-minibuffer "")))

$ emacs -Q -l process-org.el --batch -f tell-me 

Debugger entered--Lisp error: (end-of-file)
  read-from-string("")
  tell-me()
  command-line-1(("-l" "process-org.el" "-f" "tell-me"))
  command-line()
  normal-top-level()


-- 
Jean

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