ZipFileArchive-class    Classes related to Zip archives
collectContents         Tools to gather the contents of one or more
                        elements of an archive
compress                In-memory zlib compression of R content
getZipInfo              Read table of contents from zip archive
gzip                    Perform in-memory gzip compression
loadZip                 Read the contents of a file as binary into a
                        raw vector.
tarExtract              Extract the contents of entries in a gzipped
                        tar file
tarInfo                 Get table of contents of a gzipped tar file
tarListCallback         Callback function to gather information about
                        entries in a gzipped tar file.
tm_unz-class            Representation of date and time information
                        from a zip archive entry
uncompress              Uncompress in-memory data in either zlib or GNU
                        zip format
unzFileRef-class        Internal classes used in the Rcompression
                        package.
unz_file_info-class     Information about entry in zip archive file
updateArchive           Add the contents to a zip file.
voidRef-class           Run-time support for programmatically generated
                        bindings to native code
zipArchive              Constructor for object representing ZIP archive
                        on disk
