This is almost a macro problem. It could be done in SAS language using the WPS product (660 USD) I think. It is a familiar problem and I would be quite interested in the result.
Is there any concept of Macros in R or a package to do the same. Regards, Ajay On Fri, Dec 5, 2008 at 11:31 PM, Chris Poliquin <[EMAIL PROTECTED]>wrote: > 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? > > - Chris > > ______________________________________________ > 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.
