View the most recent changes for the a2ps port at: a2ps.darwinports.com/diff
Scroll down toward the bottom of the page to get installation instructions for a2ps.
The raw portfile for a2ps 4.14 is located here:
http://a2ps.darwinports.com/dports/print/a2ps/Portfile
Find related portfiles with the unique DarwinPorts.com search feature.
Check for any related Fink projects here: pdb.finkproject.org/pdb/package.php/a2ps

The a2ps Portfile 56498 2009-08-29 00:25:29Z toby macports.org $
PortSystem 1.0

Name: a2ps
Version: 4.14
Category: print
Maintainers: pentangle.net:mike
Description: an Any to PostScript filter.
Long Description: a2ps is a utilty that allows the user to do PostScript manipulations. It is able to pass on processing to other filters, such as gzip and dvips.
Homepage: http://www.gnu.org/software/a2ps/
Platform: darwin
Master Sites: gnu
Checksums: md5 781ac3d9b213fa3e1ed0d79f986dc8c7 sha1 365abbbe4b7128bf70dad16d06e23c5701874852 rmd160 a5105d6256a809483e099519325979aaaff7219e

depends_build bin:psnup:psutils

Patch Files: patch-contrib_sample_Makefile.in patch-lib__xstrrpl.c

pre-configure { reinplace "s|/usr/local|${prefix}|" ${worksrcpath}/configure }
configure.args --with-medium=Letter --mandir='\${prefix}/share/man' --infodir='\${prefix}/share/info'

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/a2ps
%  sudo port install a2ps  
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 a2ps
--->  Verifying checksum for a2ps
--->  Extracting a2ps
--->  Configuring a2ps
--->  Building a2ps with target all

--->  Staging a2ps into destroot

--->  Installing a2ps

- 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 a2ps with these commands:

%  man a2ps
%  apropos a2ps
%  which a2ps
%  locate a2ps

 Where to find more information: