Two different copies of MacPorts on the same system?

[Vincent Habchi]

Hi Blair,

> Yes, definitely.  We've had 3 different copies of MacPorts installed at the same time.
> 
> I always set --prefix=$PREFIX --with-tclpackage=$PREFIX/lib/tcl/macports to ensure that each copy installs all its files into its own prefix.

How do you do that exactly? You run the installation twice with different prefixes, and then use two different ‘port’ command (e.g.. /opt/local/bin/port for the main one, and $SOME_OTHER_PREFIX/port for the copy?)

Thanks a lot,
Vincent