Cowsay

  [~]$ cowsay
  -bash: cowsay: command not found
  [~]$ sudo port install cowsay
  --->  Fetching cowsay
  --->  Attempting to fetch cowsay-3.03.tar.gz
  --->  Verifying checksum(s) for cowsay
  --->  Extracting cowsay
  --->  Applying patches to cowsay
  --->  Configuring cowsay
  --->  Building cowsay
  --->  Staging cowsay into destroot
  --->  Installing cowsay @3.03_1
  --->  Activating cowsay @3.03_1
  --->  Cleaning cowsay
  [~]$ cowsay moo
   _____ 
  < moo >
   ----- 
          \   ^__^
           \  (oo)\_______
              (__)\       )\/\
                  ||----w |
                  ||     ||