Extension talk:DidYouMean

From IRC with Rob Church on how to purge from the cache pages affected by editing another page:


 * title::purgelinksto or somesuch
 * and various bits probably referenced in article::editupdates

installation
How do I install it? I downloaded DidYouMean.php didyoumean.sql  DYMNorm.php  install.php files but when I run install.php I get this message : "This script must be run from the command line"