I tried with R-2.4.1 and R-2.5.0 - it works for me. Can you please try again with R-2.5.0?
Uwe Ligges Elizabeth Purdom wrote: > Hi, > > I have my files and R session on a portable hard drive to be able to > work across computers since I have some extremely large files. I have > just started doing this and generally it works as I expect. But after a > while of using my R session, certain types of calls to open connections > on the hard drive don't work. But I experience no problems > opening/saving files on the portable hard drive using other programs. > > In particular, if I explicitly call the entire folder path to the hard > drive, I can save an object to file, for example. But if I just want to > save it in the current working directory, without explicitly naming the > entire path, then I have problems (I show an example below). I am using > a package that assumes a certain file structure from the current working > directory in order to find/write output, which is why I want to be able > to rely on not explicitly calling the whole path. Furthermore, I was > experimenting just now, and when I changed the current directory to > another one, and then back to the removable hard drive, everything gets > 'reset' somehow and opening connections works again, just like when I > first started up my session. > > I am on Windows XP, R 2.4.0. > > Thanks, > Elizabeth Purdom > > example: > > getwd() > [1] "I:/ICBP/Exon Array/Data" > #explicit call to hard drive works... > > save(x,file="I:/ICBP/Exon Array/Data/tmp.rdata") > #unexplicit call relying on knowing working directory doesn't... > > save(x,file="tmp.rdata") > Error in gzfile(file, "wb") : unable to open connection > In addition: Warning message: > cannot open compressed file 'tmp.rdata' > > ______________________________________________ > R-help@stat.math.ethz.ch 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@stat.math.ethz.ch 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.
