yonzin

SET @oldsite='http://oldsite.com'; 
SET @newsite='http://newsite.com';
UPDATE wp_options SET option_value = replace(option_value, @oldsite, @newsite) WHERE option_name = 'home' OR option_name = 'siteurl';
UPDATE wp_posts SET post_content = replace(post_content, @oldsite, @newsite);
UPDATE wp_links SET link_url = replace(link_url, @oldsite, @newsite);
UPDATE wp_postmeta SET meta_value = replace(meta_value, @oldsite, @newsite);

/* only uncomment next line if you want all your current posts to post to RSS again as new */
#UPDATE wp_posts SET guid = replace(guid, @oldsite, @newsite);

yonzin

# /bin/sh

if [ "$(whoami)" != 'root' ]; then
  echo 'This script must be run as "root".'
  echo 'Enter password to elevate privileges:'
  SCRIPTPATH=$( cd $(dirname $0) ; pwd -P )
  SELF=`basename $0`
  sudo $SCRIPTPATH'/'$SELF
  exit 1
fi