Identical pages

I have a site that use a database that have identical entries. Then I get identical pages on the site and I cannot have that because of SEO.
Is there a tool that can spot the identical pages so that I can remove them ?
A prog/script that would check all the pages and list the identical ones would be perfect.

Green rep to good answers

 

someone told me about this program however i never tried this myself

 

Thanks sultanofseo, but that program only finds dublicate files on your pc, not on your site online.

 

Anybody know the ansver to this.

10 rep points awaiting the good answers...

 

you can find some info in google webmaster tools, Dashboard > Diagnostics > Content analysis

 

They dont detect identic content, just title problems and meta description problems.
http://www.google.com/support/webmasters/bin/answer.py?answer=80407&hl=en
But you get rep anyway