SEEMS TO WORK IN BASH replaces:

;include_path = ".:/usr/share/php"

WITH

include_path = "/usr/share/php:/usr/share/pear:/var/www/pci/includes"

sed 's/^;include_path = ".:\/usr\/share\/php"$/include_path = "\/usr\/share\/php:\/usr\/share\/pear:\/var\/www\/pci\/includes"/' /etc/php5/apache2/php.ini