On 01/05/2011 12:15 PM, S Mathias 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? eg: /foo/bar.txt /foo2/bar.txt /foo3/bar.txt t