EXT3 file recovery

[Bruno Wolff III]

On Wed, Apr 29, 2009 at 06:15:59 +0530,
  ranjith kannikara <ranjithkannikara at gmail.com> wrote:
> HiI am a pre-final year computer science engineering student. We are doing
> an open source project to make an application to recover the deleted files
> in an ext3 filesystem. In between we are having some doubts can any one make
> some clarification?

A good start would probably be to look at what ext3grep does.