How can I write a program that can recover files in FAT32

Question

How can I write a program that can recover files in FAT32?

Answer 1

This is pretty complex, but FAT32 is very good documented:

I wrote a tool for direct FAT32 access once using only those ressources:

• http://en.wikipedia.org/wiki/File_Allocation_Table

• http://support.microsoft.com/kb/154997/

• http://www.microsoft.com/whdc/system/platform/firmware/fatgen.mspx

But I've never actually tried to recover files. If you will successfully recover a file depends on several factors:

1. The file must still "exist" physically on the hard disk
2. You must know where the file starts
3. You must know what you are looking for (Headers..)