If I had to guess it would be that your file isn't in the working
directory. If you supply the entire file location does it work as expected?

HTH
B


On Tue, Aug 13, 2013 at 3:29 PM, David Epstein
<David.Epstein@warwick.ac.uk>wrote:

> I tried using various versions of the 'edit' command. Here is an account of
> how this failed. I hope I have included all relevant information.
>
> I haven't used R for a couple of years. Before restarting with R, I
> downloaded the latest version I could find in its binary version, and
> installed it without any problems.
> Mac Os X Finder command "About R" responds with
> R 3.0.1 GUI 1.61 Snow Leopard build (6492)
>
> From inside R
> > version
>
> > platform       x86_64-apple-darwin10.8.0
> > arch           x86_64
> > os             darwin10.8.0    #(However, my os is in fact 10.6.8)
> > system         x86_64, darwin10.8.0
> > status
> > major          3
> > minor          0.1
> > year           2013
> > month          05
> > day            16
> > svn rev        62743
> > language       R
> > version.string R version 3.0.1 (2013-05-16)
> > nickname       Good Sport
> >
> > edit(file='2.9.R')
> > Error in file(con, "r") : cannot open the connection
> > In addition: Warning message:
> > In file(con, "r") : cannot open file '2.9.R': No such file or directory
> >
> > getOption('editor')
> [1] "vi"
>
> > edit(file='2.9.R',editor='/opt/local/bin/vim')
> > Error in file(con, "r") : cannot open the connection
> > In addition: Warning message:
> > In file(con, "r") : cannot open file '2.9.R': No such file or directory
> >
> > vi(file='try')
> > Error in file(con, "r") : cannot open the connection
> > In addition: Warning message:
> > In file(con, "r") : cannot open file 'try': No such file or directory
> >
> And here is my interaction with tcsh (my default shell)
> H2:~% echo $VISUAL
> /opt/local/bin/vim
> H2:~% echo $EDITOR
> /opt/local/bin/vim
> H2:~% which vi
> vi:   aliased to /opt/local/bin/vim
> H2:~/<4>Chap2% ls -ld
> drwxr-xr-x  11 dbae  dbae  374  8 Aug 10:54 ./
>
>
> What am I doing wrong?
> Thanks for any help.
> David
>
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