[R] Assigning functions in Rprofile

[Uwe Ligges]

Robert King wrote:

> I use the ugly hack shown below as my .Rprofile (mainly because I couldn't
> find any other way to spawn a new mozilla window on starting R or calling
> help.start(), but then send all the help html documents to that new
> window).
> 
> With a recent change from a cvs checkout to the released 1.9.0 I find that
> the new hs() appears if there is nothing of that name in .RData, but if
> there is the old hs() there, it just stays.
> 
> What is the cause of this?

Because .Rprofile is loaded before .RData. Hence tho "old" version 
overwrites the new one ...

Uwe Ligges


> Thanks,
> Robert.
> 
> I'm using a debian i386 system.
> 
> .Rprofile
> =========
> library(gld)
> options(pager="less",CRAN="ftp://mirror.aarnet.edu.au/pub/cran")
> hs <- function(){
> if (nchar(system("echo $DISPLAY",intern=T))==0) # no X
>         {options(htmlhelp=FALSE)
>         ret <- "no X"}
> else    {system("mozilla") # we have X - I'm starting this to get a new
>         # window for the R session, without starting a new window every
> time
>         options(pdfviewer="/usr/local/bin/acroread",browser="mozilla")
>         help.start()
>         ret <- "X"}
> ret
> }
> 
> 
> ----
> Robert King, Statistics, School of Mathematical & Physical Sciences,
> University of Newcastle, Australia
> Room V133  ph +61 2 4921 5548
> Robert.King at newcastle.edu.au   http://maths.newcastle.edu.au/~rking/
> 
> He defended the cause of the poor and needy, and so all went well. Is that
> not what it means to know me?" declares the LORD.
>         -- Jeremiah 22:16
> 
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