View the most recent changes for the rb-iterator port at: rb-iterator.darwinports.com/diff
Scroll down toward the bottom of the page to get installation instructions for rb-iterator.
The raw portfile for rb-iterator is located here:
http://rb-iterator.darwinports.com/dports/ruby/rb-iterator/Portfile
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Check for any related Fink projects here: pdb.finkproject.org/pdb/package.php/rb-iterator

The rb-iterator Portfile 30250 2007-10-23 02:16:17Z jmpp macports.org $
PortSystem 1.0
PortGroup ruby 1.0

ruby.setup iterator 0.8 install.rb {README samples} rubyforge:703:aeditor
Maintainers: nomaintainer
Description: bidirectional iterator classes inspired by GoF iterator pattern
Long Description: If Ruby's native iterators (yield+each) ain't flexible enough, you may want to try using this collection of bidirectional iterator classes. Building custom iterator classes are simple. This is a simple implementation of GoF iterator-pattern.
Checksums: md5 5d70ecf4deda103869287118434ed698
Platform: darwin

test.run yes
test.dir ${worksrcpath}/test
test.cmd ${ruby.bin} -I../lib
test.target test_all.rb

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

--->  Staging rb-iterator into destroot

--->  Installing rb-iterator

- 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 rb-iterator with these commands:

%  man rb-iterator
%  apropos rb-iterator
%  which rb-iterator
%  locate rb-iterator

 Where to find more information: