Real time output

Real time output

[andrea crotti]

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How would that be possible to implement a function which calls a shell
command and shows its output
in real-time?

I tried a few things but didn't succeed yet, I thought about something as
below.
Where I switch to the buffer and activate auto-revert-mode, but apparently
it doesn't work...

--8<---------------cut here---------------start------------->8---
(defun pad-show-results ()
  "shows the results of the execution"
  (interactive)
  ;; takes a symbol and a number corresponding the conf to analyze
  (let
      ((cmd (read-from-minibuffer "command to run: " "cd $PAD_DIR &&
./run_sim.py"))
       (output-buffer "*pad-results*"))

    (if (buffer-live-p (get-buffer output-buffer))
        (kill-buffer (get-buffer output-buffer)))
    ;; maybe can popup always on the same external frame instead
    (switch-to-buffer output-buffer)
    (message (concat "running " cmd))
    (auto-revert-mode t)
    (shell-command cmd output-buffer)
    (compilation-mode)))
--8<---------------cut here---------------end--------------->8---


Thanks,
Andrea

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Re: Real time output

[José A. Romero L.]

On Feb 15, 3:28 pm, andrea crotti <andrea.crott...@gmail.com> wrote:
> How would that be possible to implement a function which calls a shell
> command and shows its output
> in real-time?
>
> I tried a few things but didn't succeed yet, I thought about something as
> below.
> Where I switch to the buffer and activate auto-revert-mode, but apparently
> it doesn't work...
(...)

Have you already considered using M-x async-shell-command, or even
M-x term?

Cheers,
--
José Alfredo Romero L. | Software Architect
StepStone Solutions  | CBL ul. Lubicz 23 | 31-503 Kraków | Poland
jose.romero@stepstonesolutions.com

Re: Real time output

[José A. Romero L.]

On Feb 15, 3:28 pm, andrea crotti <andrea.crott...@gmail.com> wrote:
> How would that be possible to implement a function which calls a shell
> command and shows its output
> in real-time?
>
> I tried a few things but didn't succeed yet, I thought about something as
> below.
> Where I switch to the buffer and activate auto-revert-mode, but apparently
> it doesn't work...

Have you already considered using M-x async-shell-command, or even
M-x term?

Cheers,
--
José A. Romero L.
escherdragon at gmail
"We who cut mere stones must always be envisioning cathedrals."
(Quarry worker's creed)