Question

Given 2 directories:

dir1
 |
 +----A
 |
 +----B

dir2
 |
 +----A (changed)
 |
 +----B (no change)
 |
 +----C (added)

I want to write a python script which will detect and make the following changes:

• copy C from dir2 to dir1
• copy A from dir2 to dir1

My idea is to obtain a md5 checksum for all the files. Am I going in the right direction ?

Answer 1

Have a look at the filecmp module.

http://docs.python.org/library/filecmp.html

It also has a function to compare directories.

class filecmp.dircmp(a, b[, ignore[, hide]])