Re: [Rd] list.files() reorders files in R CMD INSALL

From: Duncan Murdoch <murdoch_at_stats.uwo.ca>
Date: Thu 23 Jun 2005 - 20:38:15 GMT

On 6/23/2005 4:18 PM, Vadim Ogranovich wrote:
> Hi,
>
> The list.files() function seems to order its result vector differently
> when is run during R CMD INSTALL. Here is an example:
>
> ~% mkdir ~/FOO
> ~% cd ~/FOO/
> ~/FOO% touch a A b B
> ~/FOO% ls
> a A b B
>
>
> Put foo.R in the vor package. The foo.R just prints the files in ~/FOO:
> print(list.files("~/FOO"))
>
> Now install the package:
> ~/FOO% R CMD INSTALL -l ~/R/library/ ~/src/vor/
> * Installing *source* package 'vor' ...
> ** libs
> make: `vor.so' is up to date.
> ** R
> ** preparing package for lazy loading
> [1] "A" "B" "a" "b"
>
> ** help
> >>> Building/Updating help pages for package 'vor'
> Formats: text html latex example
> * DONE (vor)
>
>
> Note that the files are listed as: [1] "A" "B" "a" "b"
>
> Now start an R session

>> list.files("~/FOO")

> [1] "a" "A" "b" "B"
>
> which differs in order from that in R CMD INSTALL.

Looks like the sorting is being done in the C locale in the first case, and in a different one in the second. See ?locales for how to set the locale to what you want.

Duncan Murdoch



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https://stat.ethz.ch/mailman/listinfo/r-devel Received on Fri Jun 24 06:45:26 2005

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