From ripley@stats.ox.ac.uk  Sat Jun  3 07:11:34 2000
From: ripley@stats.ox.ac.uk (Prof Brian D Ripley)
Date: Sat, 3 Jun 2000 07:11:34 +0100 (BST)
Subject: [Rd] problem loading packages (PR#559)
In-Reply-To: <200006020008.CAA03727@pubhealth.ku.dk>
Message-ID: <Pine.GSO.4.05.10006030659030.9087-100000@auk.stats>

My guess is that this is due to a very old .RData, as .Dyn.libs
disappeared a couple of years ago, I believe. In any case, 
.GlobalEnv etc are in a .RData of recent provenance.

General warning: do not expect .RData files from alpha or beta versions
of R to work without some cleaning.

On Fri, 2 Jun 2000 rnassar@duke.edu wrote:

> Dear R team,
> 
> I had a strange problem that appeared suddenly, and which I'd like to
> to mention in case it is of interest (although I suspect that I
> may have unwittingly done something dumb: if so please accept my apology)
> 
> > library(ctest)      ## or any package other than "oz" that I tried
> Error in as.character(table) : Object ".Dyn.libs" not found
> > traceback()
> [1] "as.character(table)"                "match(chname, 
> .Dyn.libs)"          
> [3] "library.dynam(\"ctest\", pkg, lib)" "firstlib(which.lib.loc, 
> package)"  
> [5] "library(ctest)"                    
> 
> I traced the problem to my .RData file, and specifically to ".AutoloadEnv"
> 
> > ls(all.names=TRUE)
>  [1] ".AutoloadEnv"        ".GlobalEnv"          ".Library"           
>  [4] ".Machine"            ".Platform"           ".PostScript.Options"
>  [7] ".Provided"           ".Random.seed"        ".Traceback"         
> [10] ".lib.loc"           
> 
> I removed the above, one at a time, and tried loading a library.  It
> worked after I removed  ".AutoloadEnv".  I confirmed it by checking
> that R works normally if I only remove ".AutoloadEnv".  I don't know
> what could have caused the problem in the first place.  The contents
> of ".AutoloadEnv" are shown below: 
> 
> > .AutoloadEnv
> <environment: 0x40691ddc>
> attr(,"name")
> [1] "Autoloads"
> 
> > rm(".AutoloadEnv")
> > library(gee)
> > library(nlme)
> Loading required package: nls 
> 
> 
> Thank you very much.
> 
> Rashid Nassar
> 
> --please do not edit the information below--
> 
> Version:
>  platform = i586-unknown-linux
>  arch = i586
>  os = linux
>  system = i586, linux
>  status = 
>  major = 1
>  minor = 0.1
>  year = 2000
>  month = April
>  day = 14
>  language = R
> 
> Search Path:
>  .GlobalEnv, package:ctest, Autoloads, package:base
> 
> 
> 
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-- 
Brian D. Ripley,                  ripley@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 272860 (secr)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595

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[Rd] problem loading packages (PR#559)
Prof Brian D Ripley