zip.file.extract
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(). Duncan Murdoch
Here's the syntax from the help file,
zip.file.extract(file, zipname = "R.zip", unzip = getOption("unzip"))
What I should use for the "file" and the "zipname" arguments? I tried
different ways, but none of them is working. Thank you!
Best regards,
Arthur
Arthur Xuejun Li
City of Hope Comprehensive Cancer Center
Department of Information Science
1500 East Duarte Road
Duarte, CA 91010 - 3000
Ph: (626) 256-4673 ext. 65121
Fax: (626) 471-7106
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