From: Robert Klemme <shortcutter@...>
Date: 2008-12-14T18:57:45+09:00
Subject: Re: Creating directory structures

On 13.12.2008 18:09, Ch Ba wrote:
>> Once you have an array of the source files, you should be able to
>> create a list of the potential new files by replacing part of the
>> source paths (using String#gsub).
>>
>> After that, enumerate your files, creating the directory (using
>> File.dirname) and then creating the file.
> 
> Excellent. That's what I'm looking for, I will follow up with my
> results.

There is another option that does not need gsub: use Dir[] with a
directory wildcard and then just prepend source and target dir.  Also, 
you can use FileUtils.mkdir_p which handles intermediate as well as 
existing directories gracefully.

Cheers

	robert

# ============= SPOILER BELOW =======================
















































require 'fileutils'

Dir.chdir source_dir do
   Dir['**/*special*characters*']
end.each do |file|
   from = File.join(source_dir, file)

   if must_transform? from
     to = File.join(target_dir, file)
     FileUtils.mkdir_p(File.dirname(to))
     transform(from, to)
   end
end