| zip.file.extract {base} | R Documentation |
This will extract the file named file from the zip archive,
if possible, and write it in a temporary location.
zip.file.extract(file, zipname = "R.zip")
file |
A file name. |
zipname |
The file name of a |
The method used is selected by options(unzip=). All platforms
support an "internal" unzip: this is the default under
Windows and MacOS, and the fall-back under Unix if no unzip
program was found during configuration and R\_UNZIPCMD is not set.
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, overwriting an existing file of
that name.
The name of the original or extracted file. Success is indicated by returning a different name.
The "internal" method is very simple, and will not set file dates.
B. D. Ripley