Hi Thomas,
thanks for your fast replay.
I had thought of this solution too but, since I have many folders that I
need to move between, I need to have a "pivot" to start with.

Best
Riccardo

2012/2/13 Thomas S. Dye <tsd@tsdye.com>

> Riccardo Romoli <ric.romoli@gmail.com> writes:
>
> > Hi, I have some trouble exporting figures from an R-org-babel session.
> >
> > The code I use to generate the figure is:
> >
> > #+name: my figure
> > #+headers: :results graphics :file /Users/riccardoromoli/Documents/
> > Dropbox/PhD/myFigure.pdf
> > #+begin_src R :session *R* :exports results
> > ...
> > #+end_src
> >
> > So, if I use : file /User/riccardoromoli/Documents/...., all works
> > right, but, if I use ~/Documents/..... the R console says:
> >  Error in pdf(file = "~/Dropbox/PhD/myFigure.pdf") : cannot open file
> > ~/Dropbox/PhD/myFigure.pdf'
> >
> > I usually work in the DropBox folder because at work I have a linux
> > machine instead at my home I have an OsX machine, so if I could use
> > "~", I should not change the code every time I switch between the two
> > different computer.
> >
> > Best
> > Riccardo
> >
> Aloha Riccardo,
>
> If you work in your Dropbox/PhD folder (your .org files are there), then
> you should be able to do :file myFigure.pdf on both systems.
>
> hth,
> Tom
> --
> Thomas S. Dye
> http://www.tsdye.com
>