Okay, so you need:
in reply to hash of hashes
- Some code to read file1;
- Some code to store its data into hashes;
- Some code to write file2.
Hash of Hashes can be a bit complicated the first time you try them, can even be intimidating.
But surely if you are trying to do Hash of Hashes, you have long since learned how to read and write files, yes?
So, in keeping with How do I post a question effectively?, why don't you show us what you have thus far, and let us guide you through the changes needed to dive into these potentially intimidating (but eventually easy to use) Hash of Hashes?