@example
export PYPI=@value{PYPI-URL}
wget $PYPI/z/zope.interface/zope.interface-3.8.0.tar.gz
-tar zvfz zope.interface-3.8.0.tar.gz
+tar xzvf zope.interface-3.8.0.tar.gz
cd zope.interface-3.8.0
sudo python setup.py install
@end example
@uref{https://ftpmirror.gnu.org/gnu/gnunet/}. Extract it using a graphical
archive tool or @code{tar}:
@example
-tar xzvf gnunet-0.11.0pre66.tar.gz
+tar xzvf gnunet-@value{VERSION}.tar.gz
@end example
In the next chapter we will assume that the source code is available