[R] setting the current working directory to the location of the source file
Charles C. Berry
cberry at tajo.ucsd.edu
Fri Jun 11 07:40:42 CEST 2010
On Fri, 11 Jun 2010, Marcin Gomulka wrote:
> AFAIK a script run through source() does not have any legit way to learn
> about it's own location.
You mean like 'test.R' being able to figure out that that is what it is
called when it is invoked from source()?
> I need this to make sure that the script will find its datafiles after I
> move the whole directory. (The datafiles are in the same directory.)
> Here is a hack I invented to work around it:
> source_pathname = get("ofile",envir = parent.frame())
> source_dirname = dirname(source_pathname )
> Question: Is there a better, cleaner way?
> [[alternative HTML version deleted]]
> R-help at r-project.org mailing list
> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
Charles C. Berry (858) 534-2098
Dept of Family/Preventive Medicine
E mailto:cberry at tajo.ucsd.edu UC San Diego
http://famprevmed.ucsd.edu/faculty/cberry/ La Jolla, San Diego 92093-0901
More information about the R-help