Is there a way to list only the files in a given directory without passing pattern="..." to list.files()?
On Fri, Dec 5, 2008 at 5:10 PM, Kyle. <[EMAIL PROTECTED]> wrote: > Thanks, Barry. I'll use that in the future. > > > ---Kyle. > > On Fri, Dec 5, 2008 at 11:01 AM, Barry Rowlingson < > [EMAIL PROTECTED]> wrote: > >> 2008/12/5 Chris Poliquin <[EMAIL PROTECTED]>: >> > 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 >> >> ______________________________________________ >> R-help@r-project.org mailing list >> https://stat.ethz.ch/mailman/listinfo/r-help >> PLEASE do read the posting guide >> http://www.R-project.org/posting-guide.html >> and provide commented, minimal, self-contained, reproducible code. >> > > [[alternative HTML version deleted]] > > ______________________________________________ > R-help@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. > ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
