Print Names and Version Numbers of Libraries Loaded
Prints the names and version numbers of libraries currently loaded by the user.
This function prints a list of the libraries loaded by the user
in the current session, giving just their name and version number.
It obtains this information from
This function is not needed in an interactive Rsession
because the package startup messages will usually provide this
Its main use is in an
Sweave script, where it is needed
because the package startup messages are not printed.