How to (re)program keyboard keys in RStudio ("," -> ", ")

[Kjetil_B_Halvorsen]

I like my R code to read like

plot(x, y, col="red", ...)

that is, always a space after comma. In emacs I know how to reprogram the keyboard keys to obtain that. How to in RStudio?

[RINGKU09]

Unfortunately, there is no such option curently in Rstudio or the text editor. But you can create a keyboard shortcut for comma+space using the shortcut key comma. You cant modify keyboard shortcuts directly in Rstudio, you need to develop addins for this shortcut key. To do so, you can create a package using the following single R function:

comma_space <- function() {
  rstudioapi::insertText(", ", 1)
}

Additionally, you need to create another folder in your R package inst/rstudio/addins.dcf, simply open a text file and paste the following code then save it with name addins.dcf

Name: Insert &space
Description: Inserts space after a comma at the cursor position.
Binding: comma_space
Interactive: false

Make sure to Import rstudioapi package. Finally, built and install the package.
If you successfully install the package you will see a keyboard shortcut under the menu Tools/Modify Keyboard Shortcuts.... Find the shortcut Insert &space and set the Shortcut key "," (only comma). In this way, by hitting comma you will always get a space after comma.

[startz]

Two partial suggestions.

1. You may find that RStudio's reformat does pretty much what you want. Select the desired code and then Code/Reformat or Ctril-Shift-A.

2. If you are on Windows, there is a nifty little Microsoft utility called AutoHotKey that let's you reprogram keys as you like. Works fine in RStudio.

[Kjetil_B_Halvorsen]

Thanks, I will try this suggestions ... I am on ubuntu, some special ideas there?