Open files or directories
file_show(path = ".", browser = getOption("browser"))A character vector of one or more paths.
a non-empty character string giving the name of the program to be used as the HTML browser. It should be in the PATH, or a full path specified. Alternatively, an R function to be called to invoke the browser.
Under Windows NULL is also allowed (and is the default), and
implies that the file association mechanism will be used.
The directories that were opened (invisibly).