[plug] Finding duplicate files

[James Devenish]

In message <200405122003.09123.renene at barekoala.net>
on Wed, May 12, 2004 at 08:03:08PM +0800, Rennie wrote:
> One that I find most useful is the Find - Duplicate files function. It 
> produces a list of all file which are identical, with or without the
> same name, in a given directory and [its] sub directories. It's great
> for cleaning up poorly backed up files/directories.
> 
> Does anybody know of an Linux equivalent?

The first thing that comes to mind is calculate a hash of the file
contents and match any two that are the same. My approach would
be to build this on an improptu basis using general UNIX commands.