[R] setting the current working directory to the location of the source file

[Henrik Bengtsson]

Isn't this what source(..., chdir=TRUE) is for?  See help(source).

/H

On Fri, Jun 11, 2010 at 2:33 AM, Marcin Gomulka <mrgomel at gmail.com> wrote:
> AFAIK a script run through source() does not have any legit way to learn
> about it's own location.
>
> 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:
>
> print(getwd())
> source_pathname  = get("ofile",envir = parent.frame())
> source_dirname = dirname(source_pathname )
> setwd(source_dirname)
> print(getwd())
>
> Question: Is there a better, cleaner way?
>
> Thanks,
> mrgomel
>
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