Import/Export mediawiki

wiki exp:
http://www.chieftain.idv.tw/archives/2008/01/25/1337.html

wiki imp:
http://code.oogami.name/2008/08/mediawiki-importexport.html

exp:
cd ~/Oldwiki/Directory/maintenance
php dumpBackup.php --current > ~/tmp/export.xml

imp:
cd ~/Newwiki/Directory/maintenance
php importDump.php ~/tmp/export.xml
php rebuilrecentchanges.php

imp images:
cd ~/Newwiki/Directory/maintenance/
php importImages.php ~/tmp/images

update stat:
php initStats.php --update