From: Robert Klemme <bob.news@...>
Date: 2005-05-13T23:55:28+09:00
Subject: Re: Go through directories recursively

Karl von Laudermann wrote:

> Question: what if the operation you want to perform is to delete
> directories or files? From my understanding of Find#find, it yields
> directories breadth-firsh rather than depth first. So if you want to
> delete a directory yielded to your block, do you have to call
> Find#prune on it to avoid messing up the traversal?

There is a prune method that should do it, although I never used that. See
http://www.ruby-doc.org/stdlib/libdoc/find/rdoc/classes/Find.html#M000002

> Likewise for Dir["**/*.jsp"]. Does this form first create an internal
> array of file names before yielding them, or does it yield each file
> as it inspects each directory? If the latter, does the traversal get
> messed up if you delete a file out from under it?

Dir[] always creates the array first so this is save.

Kind regards

    robert