Extract File from a Zip Archive
Usage
zip.file.extract(file, zipname="R.zip")
Arguments
file
|
A file name.
|
zipname
|
The file name of a zip archive.
|
Description
This will extract the file named file
from the zip archive,
if possible, and write it in a temporary location.Details
The file will be extracted if it is in the archive and any required
unzip
utility is available. It will probably be extracted to
the directory used by tempfile
.Value
The name of the original or extracted file.WARNING
This function is intended for internal use only:
it may be altered at any time, and may differ between platforms. Do
NOT use in user code.Note
The implementation differs by platform: it might do nothing.Author(s)
B. D. Ripley