I've been using the command prompt to schedule and execute R scripts. However, the prompt always displays an empty screen when executing scripts. Is it possible to display text of the script running?
Related
In RStudio, is it possible to have a code chunk that sends commands to the terminal (specifically Windows CMD prompt)? I know that I can use the command prompt via the "Terminal" tab in RStudio, but I would like to write these commands in a code chunk within a larger RMarkdown document. This way, when I click "Run All", the commands are sent automatically at the appropriate time.
I am using the R console in Intellij. This is started automatically when invoking Run or Debug from within the Editor
From within the R console we can return to the Editor by hitting ESC. How can we then go back to the R console from the Editor via a shortcut (and without hitting Run or Debug again)?
Note: CMD-6 does open the R Tool
But that is not the R console instead some kind of messages window:
Update Here are the Run menu options
Problems and R Console tool windows have the same shortcuts, changing the shortcuts for the tool windows should help:
These are instructions to generating a script in Linux
"You should start a script by issuing the command
script a2-script
This will create a file a2-script, which will log input and output at the terminal until you stop the script by typing
exit"
How do I do the same thing in windows 10? I tried typing sciprt a2-script in command promt but I get a message saying that the word script is not a recognizable command
The script command records everything you type and everything that is output on your Terminal. You can't do that in Windows easily.
The best thing to do is ignore that step and run the rest of the instructions and, when the screen is full, right-click in the window's title bar and choose edit->mark and select the text you want, then right-click in the title bar again and click edit->copy. Now you have a copy of the window and you can go in a MS-Word document, or any text editor and paste the contents to have a record of what you did.
I have a script which launches various gWidgets windows with buttons that have functions attached. I'd like to be able to launch this with rscript.exe so others can use it without seeing R. My problem is that when I launch the script using rscript.exe myscript.r an rscript instance shows up in task manager, it loads all the packages, the widget pops up for a second, and then it's gone (including the rscript process from task manager) before the user can even do anything. How can I make the instance of rscript stay active until all the gWidgets windows are closed? If I launch the script from either Rstudio or Rgui it stays open until done. As a similar question, is there also a way to prevent the dialog box showing the various commands from coming up too? I'm using Windows 7 by the way.
I want to execute a R script in the background from the R console.
From the console , i usually run R script as source('~/.active-rstudio-document')
I have to wait until the script is completed to go ahead with my rest of work.
Instead of this i want R to be running in the background while i can continue with my work in the console.
Also i should be somehow notified when R completes the source command.
Is this possible in R ?
This might be quite useful as we often sees jobs taking long time.
PS - i want the source script to be running in the same memory space rather than a new one. Hence solutions like fork , system etc wont work for me. I am seeing if i can run the R script as a separate thread and not a separate process.
You can use system() and Rscript to run your script as an asynchronous background process:
system("Rscript -e 'source(\"your-script.R\")'", wait=FALSE)
At the end of your script, you may save your objects with save.image() in order to load them later, and notify of its completion with cat():
...
save.image("script-output.RData")
cat("Script completed\n\n")
Hope this helps!