On Thu, 22 Dec 2011, Xavier Robin wrote:
Dear experRts,
I have the feeling that the 'name' argument to the attach function is
ignored when 'what' is a file name. Here is an example:
In current R (2.14.1) it is documented to not be used in that case
(and it is not).
save(letters, file="letters.RData")
letters.env <- attach("letters.RData", name="letters")
search()
letters.env
The name on the search path is "file:letters.RData". I would expect it
to be "letters"...
Tested today with R-latest.
Whatever that is. This is not the 'at a minumum' information the
posting guide asked you for, and it expressly asked you not to use
inaccurate R version terminology.
Is it by design? From the doc I read:
What 'doc', precisely, is that? This is not what ?attach in R 2.14.1
says.
name name to use for the attached database.
...
The name given for the attached environment will be used by search and can be
used as the argument to as.environment.
I don't see why that would be restricted when 'what' is a file name.
What do you think about it? Is it a bug or did I mis-read the doc?
It seems clear that there is a problem with your reading ... including
of the posting guide, which asked you to check the current version of
R *before posting*. And even check future versions of R (and you
might find that illuminating).
Regards,
Xavier
Did I mention the posting guide?
--
Brian D. Ripley, rip...@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
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