This is the bash script for drush I used to push advagg out to a bunch of sites.

#!/bin/bash

pushd /var/www/html/sites
for d in `ls -Fd * | grep '/$' | grep -v '^all'`
do
  echo $d

  #Enable AdvAgg
  ~/drush/drush -y -l http://$d vset advagg_checksum_mode md5
  ~/drush/drush -y -l http://$d vset advagg_dir_htaccess 0
  ~/drush/drush -y -l http://$d vset advagg_js_compress_inline 0
  ~/drush/drush -y -l http://$d en advagg advagg_js_compress advagg_js_cdn advagg_bundler css_emimage
  chown -R apache:apache $d/files/advagg_css
  chown -R apache:apache $d/files/advagg_js
  ~/drush/drush -y -l http://$d dis unlimited_css
  ~/drush/drush -y -l http://$d vset preprocess_css 0
  ~/drush/drush -y -l http://$d vset preprocess_js 0
  chown -R apache:apache $d/files/advagg_css
  chown -R apache:apache $d/files/advagg_js
  ~/drush/drush -y -l http://$d cc all

done
popd