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

From: Mohan L <l.mohanphy_at_gmail.com>
Date: Fri, 11 Jun 2010 09:56:43 +0530

On Fri, Jun 11, 2010 at 6:03 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?
>
>
Hi,

I am using some thing like this to setup working directory:

##set working directory

pwd <- getwd()
if (!is.null(pwd)) {

                setwd(pwd)
        } else {
                print("Directory not found")
        }

Thanks & Rg
Mohan L

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