[R] Re: (read many files)

Thomas Petzoldt thpe at hhbio.wasser.tu-dresden.de
Tue Feb 24 15:11:55 CET 2004

Claudia Paladini wrote:
> Dear ladies and gentlmen, I want to import a directory with about 400
> files (.dat) in R. I know how to import a single file (with scan...)
> but I've good no idea how to import 400 at once. Can you help me ? 
> Thanks a lot! Claudia 

## list.files uses regular expressions.
## For reading all files which start with "S" use for example:

files <-  list.files(pattern="^S.*")

## then read the data within a loop, e.g.:
dat2 <- NULL
for (f in files) {
   dat  <- read.table(f)
   dat2 <- rbind(dat2, dat)

Thomas P.

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