recursively find duplicate filenames

[Colin Law]

On 5 January 2011 11:15, S Mathias <smathias1972 at yahoo.com> wrote:
> find duplicate filenames in a folder
> find | perl -ne 's!([^/]+)$!lc $1!e; print if 1 == $seen{$_}++'
>
> find duplicate filenames in a folder recursively
> ? how?

A number of times with your posts it has been suggested that you are
asking for answers to homework questions.  I do not remember ever
seeing you respond to these allegations.  Can you respond now?

Colin