Thanks, Barry. I'll use that in the future.


---Kyle.

On Fri, Dec 5, 2008 at 11:01 AM, Barry Rowlingson <
b.rowlingson@lancaster.ac.uk> wrote:

> 2008/12/5 Chris Poliquin <poliquin@sas.upenn.edu>:
> > Hi,
> >
> > I have about 900 files that I need to run the same R script on.  I looked
> > over the R Data Import/Export Manual and  couldn't come up with a way to
> > read in a sequence of files.
> >
> > The files all have unique names and are in the same directory.  What I
> want
> > to do is:
> > 1) Create a list of the file names in the directory (this is really what
> I
> > need help with)
> > 2) For each item in the list...
> >        a) open the file with read.table
> >        b) perform some analysis
> >        c) append some results to an array or save them to another file
> > 3) Next File
> >
> > My initial instinct is to use Python to rename all the files with numbers
> > 1:900 and then read them all, but the file names contain some information
> > that I would like to keep intact and having to keep a separate database
> of
> > original names and numbers seems inefficient.  Is there a way to have R
> read
> > all the files in a directory one at a time?
>
>  I can't believe the two 'solutions' already posted. It's easy:
>
>  ?list.files
>
> Barry
>
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