View the most recent changes for the diffball port at: diffball.darwinports.com/diff
Scroll down toward the bottom of the page to get installation instructions for diffball.
The raw portfile for diffball 1.0 is located here:
http://diffball.darwinports.com/dports/devel/diffball/Portfile
Find related portfiles with the unique DarwinPorts.com search feature.
Check for any related Fink projects here: pdb.finkproject.org/pdb/package.php/diffball

The diffball Portfile 57695 2009-09-15 07:44:48Z ryandesign macports.org $

PortSystem 1.0
Name: diffball
Version: 1.0
Category: devel
Maintainers: nomaintainer
license GPLv2
Description: binary patch utility
Long Description: A general delta compression/differencing suite for any platform that supports autoconf/automake, written in c, w/ builtin support for reading, writing, converting between multiple file formats, and an easy framework to drop in new algorithms.
Homepage: http://developer.berlios.de/projects/diffball/
Platform: darwin
Master Sites: http://download.berlios.de/diffball/
use_bzip2 yes
Checksums: md5 aff4d82da482c0d72c3d0da1967f6c69 sha1 f9b4dda1af3349ef0c439a2cee24c25f4cc0b0c8 rmd160 e9e52ffa74fdb18ca5463f84126567dd3b96d7ed
depends_lib port:bzip2 port:zlib
configure.args --mandir=${prefix}/share/man

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/diffball
%  sudo port install diffball  
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 diffball
--->  Verifying checksum for diffball
--->  Extracting diffball
--->  Configuring diffball
--->  Building diffball with target all

--->  Staging diffball into destroot

--->  Installing diffball

- 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 diffball with these commands:

%  man diffball
%  apropos diffball
%  which diffball
%  locate diffball

 Where to find more information: