[R] How to start R with a file loaded?

[Gabor Grothendieck]

Read the ?Startup help file.

On 10/24/06, Grateful Frog <gratefulfrog at gmail.com> wrote:
> Hi!
>
> Thanks for your reply.
>
> Indeed, I'm on Linux.
>
> I tried to do what you said, but nothing happened.
>
> I made a file called First.R in my work directory. It contains this code
>
> .First<-function(){
>  source("First.R")
>  source("client.r")
>  cat("it worked.")
> }
>
> I then source("First.R"), ok. and quit R.
> WhenI restart, nothing happens - maybe because I didn't save the image?
>
> But I don't want to have to save the image, I want to make a dynamic startup
> of R with a file loaded, and execute a function call.
>
> I alse tried this approach:
>
> $ R < file.r
>
> it seems to load, almost, then R quits.
>
> Any ideas?
>
> Thanks for your help in any case!
> GF.
>
> On 10/24/06, Leeds, Mark (IED) <Mark.Leeds at morganstanley.com> wrote:
> >
> > You can have a .First function in the directory you are working in ( put
> > The function in a file called First.R for ease of remembering )  or a
> > .Profile file in your
> > Home directory. I couldn't tell if you were on windows or linux.
> >
> > In either case, have the line  source("Rprogram.R") in either of the
> > above and that source will be loaded when
> > You start R. If you do it using First.R, you have to source("First.R")
> > once in the
> > Directory you are working in in order for it to know for the next time
> > and any time after that.
> >
> >
> >
> > -----Original Message-----
> > From: r-help-bounces at stat.math.ethz.ch
> > [mailto:r-help-bounces at stat.math.ethz.ch] On Behalf Of Grateful Frog
> > Sent: Tuesday, October 24, 2006 1:17 PM
> > To: r-help at stat.math.ethz.ch
> > Subject: [R] How to start R with a file loaded?
> >
> > Hi!
> >
> > I've made great progress in my R programming, but I am again stuck on a
> > beginner's problem.
> >
> > I would like to start R with a command line that loads a file, and if
> > possible, executes a function.
> >
> > Can anyone  give me an example of how to do this?
> >
> > For example, in lisp, I would say:
> >
> > $ lisp -load toto.lisp -eval '(do-something $PORT)'
> >
> > to load the file "toto.lisp", then evaluate the expression with the
> > shell envt variable bound properly.
> >
> > I'd like to do this in R, but can't figure it out!
> >
> > Thanks,
> > GF.
> >
> >         [[alternative HTML version deleted]]
> >
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>        [[alternative HTML version deleted]]
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