[R] a problem sourcing a file using chdir=TRUE

[Prof Brian Ripley]

This and some related problems should be fixed in tomorrow's R-patched 
snapshot.

On Mon, 16 May 2005, Luca Scrucca wrote:

> Dear R-users,
>
> I used to give commands such as:
>
>> source(file="~/path/to/file.R", chdir=TRUE)
>
> but with the latest v. 2.1.0 it does not seem to work anymore.
> I tried to figure out what it was going on and it seems that the string
> for which
>> class(file)
> [1] "character"
> is changed to
>> class(file)
> [1] "file"       "connection"
> when the connection is open by
> file <- file(file, "r", encoding = encoding)
>
> But this force the following if statement
> if (chdir && is.character(file) && (path <- dirname(file)) != ".")
>   { owd <- getwd()
>     on.exit(setwd(owd))
>     setwd(path)
>   }
> to be FALSE and then non changing of current directory is done.
> Is this the desired behavior or some bug fix is required?

-- 
Brian D. Ripley,                  ripley at stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
1 South Parks Road,                     +44 1865 272866 (PA)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595