[R] Command Line Prompt Symbol

Bill.Venables at csiro.au Bill.Venables at csiro.au
Fri Nov 10 07:46:10 CET 2006

The simplest way to do this is to put

options(prompt = "R> ")

in your .Rprofile file.  If you don't have an .Rprifile file, 
then persuading Windows to let you call a file by that name can 
be frustrating.  I suggest you delegate the job to R itself and 
use something like this


wd <- getwd()
setwd(Sys.getenv("R_USER"))  ## change working directories 
cat('\noptions(prompt = "R> ")\n',
	file = ".Rprofile", append = TRUE)

Putting the .Rprofile in the R_USER directory ensures that it 
will be used prior to all invocations of R you make.

Bill Venables, 
CMIS, CSIRO Laboratories, 
PO Box 120, Cleveland, Qld. 4163 
Office Phone (email preferred): +61 7 3826 7251 
Fax (if absolutely necessary):    +61 7 3826 7304 
Mobile (rarely used):                +61 4 1963 4642 
Home Phone:                          +61 7 3286 7700 
mailto:Bill.Venables at csiro.au 

-----Original Message-----
From: r-help-bounces at stat.math.ethz.ch
[mailto:r-help-bounces at stat.math.ethz.ch] On Behalf Of Jacob van Wyk
Sent: Friday, 10 November 2006 3:33 PM
To: r-help at stat.math.ethz.ch
Subject: [R] Command Line Prompt Symbol

I run R in Windows.
Is there a simple way of changing the prompt symbol ">" to, say, "R>" ?
(Not just for a temporary session, but every time R command window is
opened.) The documentation of doing this is rather "sparse".
Much appreciated for your assistance.
Jacob L van Wyk
Department of Statistics
University of Johannesburg, APK
P O Box 524
Auckland Park 2006
South Africa
Tel: +27 11 489 3080
Fax: +27 11 489 2832

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