Plugin For Metadata Changes in CRM

Hi Friends,

       I was working on some code to get Metadata, I want to get all entities metadata, But found it  time consuming. Now I want to  get Metadata once and store it in some location like XML file. Now I want to update this XML file when ever  Metadata Change Happens, this will keep me up to date. 

Can I use plugin for this.

Thanks Regards Prashanth Kamasamudram Even the least work done for others awakens the power within; even thinking the least good of others gradually instills into the heart the strength of a lion.