View the most recent changes for the erni port at: erni.darwinports.com/diff
Scroll down toward the bottom of the page to get installation instructions for erni.
The raw portfile for erni 0.50.0 is located here:
http://erni.darwinports.com/dports/sysutils/erni/Portfile
Find related portfiles with the unique DarwinPorts.com search feature.
Check for any related Fink projects here: pdb.finkproject.org/pdb/package.php/erni

The erni Portfile 30254 2007-10-23 02:22:51Z jmpp macports.org $

PortSystem 1.0

Name: erni
Version: 0.50.0
Category: sysutils
Platform: darwin
Maintainers: nomaintainer
Description: replacement for su that works on accounts without login shell
Long Description: ${description}

Homepage: http://www.brandxdev.net/erni/index.site
Master Sites: http://downloads.brandxdev.net/downloads/
distname ${distname}-src
Checksums: md5 ddf713bfe5b9a580981c8dc436877e44
Patch Files: patch-Makefile.diff

worksrcdir ${name}-${version}

use_configure no

destroot.destdir ALT_ROOT_DIR=${destroot} PREFIX=${prefix}

If you haven't already installed Darwin Ports, you can find easy instructions for doing so at the main Darwin Ports page.
Once Darwin Ports has been installed, in a terminal window and while online, type the following and hit return:

%  cd /opt/local/bin/portslocation/dports/erni
%  sudo port install erni  
Password: 

You will then be prompted for your root password, which you should enter. You may have to wait for a few minutes while the software is retrieved from the network and installed for you. Y ou should see something that looks similar to:

--->  Fetching erni
--->  Verifying checksum for erni
--->  Extracting erni
--->  Configuring erni
--->  Building erni with target all

--->  Staging erni into destroot

--->  Installing erni

- Make sure that you do not close the terminal window while Darwin Ports is working. Once the software has been installed, you can find further information about using erni with these commands:

%  man erni
%  apropos erni
%  which erni
%  locate erni

 Where to find more information: