[Rd] Out-of-date manual or small bug in R CMD check?

William Dunlap wdunlap at tibco.com
Wed Aug 31 00:05:00 CEST 2011


> -----Original Message-----
> From: r-devel-bounces at r-project.org [mailto:r-devel-bounces at r-project.org] On Behalf Of Duncan Murdoch
> Sent: Monday, August 29, 2011 5:30 PM
> To: Gabriel Becker
> Cc: r-devel at r-project.org
> Subject: Re: [Rd] Out-of-date manual or small bug in R CMD check?
> 
> On 11-08-29 6:37 PM, Gabriel Becker wrote:
> > Hey all,
> >
> > I get a warning about an unsupported file type in the data directory during
> > R CMD check (for R 2.13.1) if I use the save function to create an Rdata,
> > but if I save the same object to a .rda file, no warning.
> >
> > Section 1.1.5 (pg 11 of the pdf) of the Writing R Extensions manual (2.13.1)
> > appears to say that .Rdata files should be fine:
> >
> > " Data files can have one of three types as indicated by their extension:
> > plain R code ('.R' or
> > '.r'), tables ('.tab', '.txt', or '.csv', see ?data for the file formats,
> > and note that '.csv' is not
> > the standard14 CSV format), or save() images ('.RData' or '.rda'). "
> >
> > Am I misunderstanding some difference between .rda and .Rdata files in terms
> > of the save calls, or should R CMD check and the extensions manual agree on
> > this?
> 
> .RData and .Rdata aren't the same.

Should that paragraph say that capitalization matters and that the following
file name extensions are recognized
  TXT
  txt
  CSV
  csv
  tab
  r
  R
  rdata
  RData
  rda
(and that others that vary only by case, such as TAB, Rdata and Rda, are not)?

Bill Dunlap
Spotfire, TIBCO Software
wdunlap tibco.com

> 
> Duncan Murdoch
> 
> >
> > Thanks for all your hard work.
> > ~G
> >
> > SessionInfo:
> >
> > R version 2.13.1 (2011-07-08)
> > Platform: x86_64-pc-linux-gnu (64-bit)
> >
> > locale:
> >   [1] LC_CTYPE=en_US.utf8       LC_NUMERIC=C
> >   [3] LC_TIME=en_US.utf8        LC_COLLATE=en_US.utf8
> >   [5] LC_MONETARY=C             LC_MESSAGES=en_US.utf8
> >   [7] LC_PAPER=en_US.utf8       LC_NAME=C
> >   [9] LC_ADDRESS=C              LC_TELEPHONE=C
> > [11] LC_MEASUREMENT=en_US.utf8 LC_IDENTIFICATION=C
> >
> > attached base packages:
> > [1] grid      stats     graphics  grDevices utils     datasets  methods
> > [8] base
> >
> > other attached packages:
> > [1] gridSVG_0.5-10      ProteinVis_0.4      latticeExtra_0.6-18
> > [4] RColorBrewer_1.0-2  lattice_0.19-33
> >
> >
> >
> > ______________________________________________
> > R-devel at r-project.org mailing list
> > https://stat.ethz.ch/mailman/listinfo/r-devel
> 
> ______________________________________________
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