[R] Windows List of Folders?

[Robert Gentleman]

Hi,
  We have some documentation of the file handling capabilities, among  
other things, at
  http://www.bioconductor.org/develPage/develPage.html

comments, improvements etc welcome.

Best wishes,
    Robert
On Apr 29, 2005, at 4:01 PM, Henrik Bengtsson wrote:

> Example:
>
> path <- system.file(package="base")
> pathnames <- list.files(path, full.names=TRUE)
> isDir <- file.info(pathnames)$isdir
> dirs <- pathnames[isDir]
> files <- pathnames[!isDir]
>
> If you don't get the 'isDir' line, think of it as
> infos <- file.info(pathnames)
> isDir <- infos$isdir
>
> /Henrik
>
> khobson at fd9ns01.okladot.state.ok.us wrote:
>> For windows, how can I list only the folders in some folder?
>> I was thinking that dir() and file.info() with isdir==TRUE being  
>> something
>> that might work.
>> These folders or directories are numerically named with no dot  
>> extension
>> names or other characters.  Typically, these are 3132, 3334, ...
>> Here is what I tried.  The last line is where I need more work.
>> pData="C:/Myfiles/R/Data/"
>> setwd (pData)
>> x <- dir(pData, all.files=F)
>> y <- file.info(x, x$isdir==T)
>> TIA
>> Kenneth Ray Hobson, P.E.
>> Oklahoma DOT - QA & IAS Manager
>> 200 N.E. 21st Street
>> Oklahoma City, OK  73105-3204
>> ______________________________________________
>> R-help at stat.math.ethz.ch mailing list
>> https://stat.ethz.ch/mailman/listinfo/r-help
>> PLEASE do read the posting guide!  
>> http://www.R-project.org/posting-guide.html
>>
>
> ______________________________________________
> R-help at stat.math.ethz.ch mailing list
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>
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