Install Circos Visualization in one step.

circos-install.sh

#!/bin/sh
#Okay, Do local stuff to get GD going...
echo "Beginning Ubunutu-Like only step. Any following command not found errors may not be of any concern."
sudo apt-get install libgd-gd2-perl
echo "Ubuntu-Like only step finished/passed."
wget http://circos.ca/distribution/circos-0.62.tgz
tar -xvf circos-0.62.tgz
cd circos-0.62
cd bin
#Quick install of dependencies...
for line in $(./list.modules); do cpan $line; done;
cd ..
#At this point, we should be going with all modules installed.
echo "If you are on Ubuntu or Mac OS X, you may need to run 'cd /bin && sudo ln -s /usr/bin/env env'"
echo "Other than that, you're good to go!"

MAC USERS! If you've tried running and get errors saying that /bin/env does not exist, Symlink it, see line 14.