That sounds like a good approach. On 24 Nov 2006 08:27:09 -0800, Paddy <[EMAIL PROTECTED]> wrote:
Andre Meyer wrote: > Hi all > > os.walk() is a nice generator for performing actions on all files in a > directory and subdirectories. However, how can one use os.walk() for walking > through two hierarchies at once? I want to synchronise two directories (just > backup for now), but cannot see how I can traverse a second one. I do this > now with os.listdir() recursively, which works fine, but I am afraid that > recursion can become inefficient for large hierarchies. > > thanks for your help > André Walk each tree individually gathering file names relative to the head of the tree and modification data. compare the two sets of data to generate: 1. A list of what needs to be copied from the original to the copy. 2. A list of what needs to be copied from the copy to the original Do the copying. |You might want to show the user what needs to be done and give them the option of aborting after generating the copy lists. - Paddy. -- http://mail.python.org/mailman/listinfo/python-list
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