From: Matthew Moss <matt@...>
Date: 2008-12-13T14:13:42+09:00
Subject: Re: Creating directory structures


On Dec 12, 2008, at 10:56 PM, Ch Ba wrote:

> I'm having a bit of a difficult time coming up with a solid way handle
> this problem. I'll explain:
>
> I have an array containing a list of file paths like the following.
>
> ["foo/bar/blah.rb","foo/bar/stuff.rb","foo/bar/example/thing.rb,"foo/ 
> ham/example"]
>
> I need to come up with a way to create a directory structure using the
> paths supplied in the array. The "base" directory is unimportant, but
> the structure of the rest is. Using the above as an example, I would
> need to create the following directories.
>
> foo/bar
> foo/bar/example
> foo/ham
> foo/ham/example
>
> I also need to check whether or not the directory exists so that it
> makes no attempt to create a directory that is already there. Any  
> ideas?



FileUtils.makedirs( files.map{ |f| f.dirname }.uniq.reject{ |d|  
File::exist?(d) } )