run a script from command-line using Rscript. 
Create a custom build system for Sublime Text 
(Tools > Build System > New Build System). 

{
  "cmd": ["Rscript", "$file"]
  "selector": "source.r",
  "working_dir": "${project_path:${folder}}",
}

Now, you can build your R script by pressing F7 or from Tools > Build.


Running R scripts from Sublime Text
Build System functions.
Go to Tools -> Build System -> New Build System

{
    “shell_cmd”: “R –no-save –slave < $file"
}

Save it as something like “Run-R”, and it will appear in your Build System menu. 
Select it, and then you can run your script simply by pressing F7.