Duncan Murdoch wrote: > On 3/19/2009 2:30 PM, Li, Xuejun wrote: >> Hello everyone, >> >> >> >> Can anyone give me some hint/suggestion for unzipping a file in R? The >> help file for "zip.file.extract" function seems to be difficult to >> understand. >> >> >> For example, the name of my zip file is "refGene.txt.gz", which is >> located in "C:\Documents and Settings\Desktop\test1". I would like to >> unzip this file to the same directory. > > That seems fairly unlikely to be a zip file; it looks like a gzip > file, based on the extension. > > zip.file.extract is for zip archives. The closest equivalent in the > gzip world is a .tar.gz file. > > I don't know if there is a built-in gunzip function, but you can call > a system function using system(). >
see gzip in R.utils. admitedly, it's help page is quite informative, as opposed to that for zip.file.extract. vQ ______________________________________________ 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.