[R] Automatic File Reading [Broadcast]

[Liaw, Andy]

Works on all platforms:

flist <- list.files(path=file.path("somedir", "somewhere"), 
                    pattern="[.]csv$")
csvlist <- lapply(flist, read.csv, header=TRUE)
whateverList <- lapply(csvlist, whatever)

Andy

From: Richard M. Heiberger
> 
> Wensui Lui asks:
> > is there a similar way to read all txt or csv files with same
> > structure from a folder?
> 
> 
> 
> On Windows I use this construct to find all files with the 
> specified wild card name.
> I used the "\\" in the file paths with the translate=FALSE, 
> because the "/" in
> the DOS switches "/w/B" must not be translated.  On Windows 
> this picks up
> both lower and upper case filenames
> 
> A similar construct can be written for Unix.  
> 
> tmp <- shell('dir c:\\HOME\\rmh\\tmp\\*.R /w/B', intern=TRUE, 
> translate=FALSE)  ##msdos
> for (i in tmp) source(paste("c:\\HOME\\rmh\\tmp\\", i, sep=""))
> 
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> 
> 
> 


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