[Rd] Handling of upper/lowercase in package names (PR#2816)
Prof Brian Ripley
ripley at stats.ox.ac.uk
Thu Apr 24 18:42:41 MEST 2003
This is not a bug in R, but in your OS which gives you the non-existent
directory `Tools'.
Since this has been possible for at least five years, I don't consider it
worth fixing. Learn to use the correct names for packages!
On Tue, 22 Apr 2003 phgrosjean at sciviews.org wrote:
> Hi,
>
> This is (presumably?) a bug in R 1.7.0 under Windows. I have not tested it
> on other systems. Attachment of packages is case sensitive but not
> library(), resulting in multiple loadings of the same package if the library
> name is spelled differently. The following example loads the `tools'
> package, once as `tools' and once as `Tools'. This behavior is the same with
> all packages and it occurs also in R 1.6.2.
>
> > library(tools)
> > search()
> [1] ".GlobalEnv" "package:tools" "package:methods" "package:ctest"
> "package:mva"
> [6] "package:modreg" "package:nls" "package:ts" "Autoloads"
> "package:base"
> > library(Tools)
>
> Attaching package 'Tools':
>
>
> The following object(s) are masked from package:tools :
>
> .checkDemoIndex .checkVignetteIndex .installMD5sums
> .installPackageDescription .installPackageIndices buildVignettes
> checkAssignFuns checkDocArgs checkDocStyle checkFF checkMD5sums checkMethods
> checkTnF checkVignettes codoc md5sum pkgVignettes print.checkAssignFuns
> print.checkDemoIndex print.checkDocArgs print.checkDocStyle print.checkFF
> print.checkMethods print.checkTnF print.checkVignetteIndex
> print.checkVignettes print.codoc print.undoc Rdindex Rtangle RtangleSetup
> RtangleWritedoc RweaveLatex RweaveLatexOptions RweaveLatexSetup Stangle
> Sweave SweaveSyntaxLatex SweaveSyntaxNoweb SweaveSyntConv undoc
>
> > search()
> [1] ".GlobalEnv" "package:Tools" "package:tools" "package:methods"
> "package:ctest"
> [6] "package:mva" "package:modreg" "package:nls" "package:ts"
> "Autoloads"
> [11] "package:base"
>
>
> Version:
> platform = i386-pc-mingw32
> arch = i386
> os = mingw32
> system = i386, mingw32
> status =
> major = 1
> minor = 7.0
> year = 2003
> month = 04
> day = 16
> language = R
>
> Windows XP Professional (build 2600) Service Pack 0.0
>
> Search Path:
> .GlobalEnv, package:Tools, package:tools, package:methods, package:ctest,
> package:mva, package:modreg, package:nls, package:ts, Autoloads,
> package:base
>
> Best,
>
> Philippe Grosjean
>
> ...........]<(({°<...............<°}))><...............................
> ) ) ) ) )
> ( ( ( ( ( Dr. Philippe Grosjean
> ) ) ) ) )
> ( ( ( ( ( LOV, UMR 7093
> ) ) ) ) ) Station Zoologique
> ( ( ( ( ( Observatoire Océanologique
> ) ) ) ) ) BP 28
> ( ( ( ( ( 06234 Villefranche sur mer cedex
> ) ) ) ) ) France
> ( ( ( ( (
> ) ) ) ) ) tel: +33.4.93.76.38.18, fax: +33.4.93.76.38.34
> ( ( ( ( (
> ) ) ) ) ) e-mail: phgrosjean at sciviews.org
> ( ( ( ( ( SciViews project coordinator (http://www.sciviews.org)
> ) ) ) ) )
> .......................................................................
>
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>
--
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
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