Thank you very much - it's very helpful! Dimitri On Mon, May 17, 2010 at 9:39 PM, Dan Davison <davi...@stats.ox.ac.uk> wrote: > Dimitri Liakhovitski <dimitri.liakhovit...@gmail.com> writes: > >> Thanks again - and one follow-up question. >> When I do do.call(rbind, lapply(dir(patt = "\\.csv$"), read.csv)) >> What is the right way to speicify (probably under "patt") that I only >> need to grab those .csv files that contain a certain string, e.g., >> "result"? > > I assume you mean whose names contain a certain string, rather than the > string being in the file contents. > > The "pattern" argument to dir() is a "regular expression". They are a > worthwhile thing to know a bit about, so, you should have a look at some > introductory material on regular expressions, but this might also help a > bit: > >> dir() > [1] "1-result.csv" "result-2.csv" "resultcsv" "result.csv" >> dir(patt="result\\.csv$") > [1] "1-result.csv" "result.csv" >> dir(patt="result.*\\.csv$") > [1] "1-result.csv" "result-2.csv" "result.csv" > > Dan > > >> I tried a couple of things, like patt= "\\.csv$" & pat = "result" - >> but it does not seem to work >> Thanks a lot! >> Dimitri >> >> >> >> On Wed, May 12, 2010 at 6:16 PM, Dimitri Liakhovitski >> <dimitri.liakhovit...@gmail.com> wrote: >>> Thanks a lot, Henrique, will try! >>> Dimitri >>> >>> On Wed, May 12, 2010 at 3:41 PM, Henrique Dallazuanna <www...@gmail.com> >>> wrote: >>>> Try this: >>>> >>>> do.call(rbind, lapply(dir(patt = "\\.csv$"), read.csv)) >>>> >>>> On Wed, May 12, 2010 at 4:32 PM, Dimitri Liakhovitski >>>> <dimitri.liakhovit...@gmail.com> wrote: >>>>> >>>>> Hello, >>>>> >>>>> I am wondering if it's possible to read in all files of a certain type >>>>> - without specifying their names. >>>>> For example, I have 10 .csv files in my working directory. >>>>> I would like to read them in and bind them all together. I was >>>>> thinking of writing a loop, read in all files, and then bind them. >>>>> Is it possible? >>>>> >>>>> Thanks a lot! >>>>> >>>>> -- >>>>> Dimitri Liakhovitski >>>>> Ninah Consulting >>>>> www.ninah.com >>>>> >>>>> ______________________________________________ >>>>> 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. >>>> >>>> >>>> >>>> -- >>>> Henrique Dallazuanna >>>> Curitiba-Paraná-Brasil >>>> 25° 25' 40" S 49° 16' 22" O >>>> >>> >>> >>> >>> -- >>> Dimitri Liakhovitski >>> Ninah Consulting >>> www.ninah.com >>> >
-- Dimitri Liakhovitski Ninah Consulting www.ninah.com ______________________________________________ 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.
