From: Brian Wallace <draygen80@...>
Date: 2009-09-16T22:43:22+09:00
Subject: Re: Find.find, limited recursion..

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Thanks Dan,

 That would actually work out OK - however since i'm using JRuby I wouldn't
be able to use a gem with native C extensions..

Thanks for the suggestion!

 Brian

On Tue, Sep 15, 2009 at 9:48 PM, Daniel Berger <djberg96@gmail.com> wrote:

> Brian Wallace wrote:
>
>> Hi all,
>>
>>  I'm working on a script that's currently using Find.find to process a
>> complete directory tree of files and directories .. .however I needed
>> specific behavior, and I'm still fairly new to this...
>>
>> Basically it works like this, the user specifies the root directory of a
>> collection of sub-directories we are interested in .. for instance:
>>
>> User specifies: C:\Root
>>
>> C:\Root
>>          |
>>          -->\Dir1
>>                   |
>>                   -->Files_in_dir1
>>          |
>>          -->\Dir2
>>                   |
>>                   -->Files_in_dir2
>>
>>
>> But we are only interested in the _files_ in \Dir1 , \Dir2  ..and want to
>> essentially Prune recursion into C:\Root\Dir1\Subdir_of_Dir1 , and
>> C:\Root\Dir2\Subdir_of_Dir2 if those exist ..
>>
>> This is what I am currently using, however it will pick up the sub
>> directories of Dir1 and Dir2 and update the hash... Does anyone see any
>> way
>> this could be refactored to not update the "process_list" hash with the
>> sub
>> directories of Dir1 and Dir2?
>>
>> --
>>
>> @root_dir = "C:\Root"
>>
>> process_list = Hash.new {|h,k| h[k] = []}
>>
>> Find.find(@root_dir.to_s) do |f|
>>  f = f.gsub(/\\/,'/')
>>  next if File.stat(f).directory? or f.include?('skipped_filename')
>>  Find.prune if f.include?("skipped_dirname")
>>   d, b = File.split(f)
>>  process_list [d] << b
>> end
>>
>> Thanks in advance!
>>
>>  Brian
>>
>>
> Perhaps you would like file-find better. I think this is what you want:
>
> gem install file-find
>
> rule = File::Find.new(
>   :path       => ['C:/Root/Dir1', 'C:/Root/Dir2'],
>   :maxdepth   => 2,
>   :directory? => false
> )
>
> p rule.find
>
> http://shards.rubyforge.org/wiki/wiki.pl?File-Find
>
> Regards,
>
> Dan
>
>

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