From: Ara.T.Howard@...
Date: 2005-05-14T00:45:28+09:00
Subject: Re: Go through directories recursively

On Fri, 13 May 2005, Robert Klemme wrote:

> 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.

Find2 does/can too.

-a
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