[R] Opening Another Application in R Then Hangs

[Sparks, John]

For posterity, Abby's suggestion is spot on.

The small program below demonstrates the functionality.  May need to change numbers in mouse.move depending on where your copy of Notepad opens up.  You can find the position of your mouse on the screen using mouse.get_cursor()

Thanks to all, but especially to Abby.

--JJS


library(KeyboardSimulator)
setwd("C:/Users/JSparks/AppData/Roaming/Microsoft/Windows/Start Menu/Programs/Accessories")
shell ("Notepad", wait=FALSE)
Sys.sleep(3)
mouse.move(362,300)
mouse.click()
keybd.type_string("Hello world!")




________________________________
From: Abby Spurdle <spurdle.a using gmail.com>
Sent: Sunday, July 5, 2020 6:35 PM
To: Sparks, John <jspark4 using uic.edu>
Cc: R-help <r-help using r-project.org>
Subject: Re: [R] Opening Another Application in R Then Hangs

shell ("Notepad", wait=FALSE)

On Mon, Jul 6, 2020 at 10:07 AM Sparks, John <jspark4 using uic.edu> wrote:
>
> Hi R Helpers,
>
> I am trying to open another application from within R and then work with it.
>
> I can get the application to open, but R then hangs at that point (spinning blue circle in the middle of the screen) and my subsequent programming does not execute.
>
> Does anybody know how to get R to unlock?
>
> I am using Windows 10 and R4.0.
>
> The example below freezes R on my machine.
>
> Any guidance appreciated.  Thanks.
> --John Sparks
>
> setwd("C:/Users/JSparks/AppData/Roaming/Microsoft/Windows/Start Menu/Programs/Accessories")
> system2("Notepad",invisible=FALSE)
>
>
>
>
>
>
>         [[alternative HTML version deleted]]
>
> ______________________________________________
> R-help using r-project.org mailing list -- To UNSUBSCRIBE and more, see
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.

	[[alternative HTML version deleted]]