[R] Can one set --no-save in .Rprofile
Michael M. Meyer
mikem at salter-point.com
Thu Jan 18 16:03:50 CET 2001
Thanks to Brian Ripley and Robert Gentleman
who both suggested adding
rgentlem at jimmy.harvard.edu said:
> q<-function (save = "no", status = 0, runLast = TRUE)
> .Internal(quit(save, status, runLast))
to the .Rprofile.
While this works (and I might use it), it is not as clean as I would
like. For instance, with this profile, if I subsequently run
the "--save" will be ignored.
It would seem a good solution might be to allow something in the
environement (or .Renvironment file) like
R_OPTIONS = "--nosave --noreadline ..."
One could then (logically) parse those options before the command line is read,
and have the command line override anything set in the R_OPTIONS
string. The one wrinkle is the --no-init-file option. So I guess the
logic has to go something like.
1) Read command line args (and save them somewhere).
2) if(exists(.Rprofile) and we should read it) parse that file.
3) re-parse command line options to override the init file.
If one were to go this route, then one probably needs a
command line option, to restore the default behaviour.
Maybe this is getting too complicated, and I'll just write my little
if ([ -f .Roptions ]) then
exec R `cat .Roptions` $*
elif ([ -f $HOME/.Roptions ]) then
exec R `cat $HOME/.Roptions` $*
exec R $*
Mike Meyer, Salter Point Associates, Seattle WA
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