R help - Jul 2012 - set Rprofile.site,can't work

my system :debian
in console:
nano   /home/tiger/R-2.15.1/etc/Rprofile.site


here is my content:


.First <- function(){

cat("\nWelcome at", date(), "\n")
}

#
.Last <- function(){
cat("\nGoodbye at ", date(), "\n")
}


when i save it ,reopen my  R ,
why there is no  
Welcome at Sun Jul 15 07:53:58 2012 
in my  R?
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On 12-07-14 7:54 PM, ???? wrote:
> my system :debian
> in console:
> nano   /home/tiger/R-2.15.1/etc/Rprofile.site
>
>
> here is my content:
>
>
> .First<- function(){
>
> cat("\nWelcome at", date(), "\n")
> }
>
> #
> .Last<- function(){
> cat("\nGoodbye at ", date(), "\n")
> }
>
>
> when i save it ,reopen my  R ,
> why there is no
> Welcome at Sun Jul 15 07:53:58 2012
> in my  R?
That works for me, so I'd guess you've put the changes in the wrong 
place.  What do you have in your R_PROFILE environment variable?  What 
about R_HOME?  You should look at these from within R, using Sys.getenv().

Duncan Murdoch