From: John Carter <john.carter@...>
Date: 2005-07-14T06:39:12+09:00
Subject: Re: How do I reduce the memory usage of a script?

On Thu, 14 Jul 2005, Scott Ellsworth wrote:

> #!/usr/bin/env ruby
> require 'find'
> def procpath(f)
>   if File.file?(f) then
>      if File.fnmatch("*.m4a",f) then
>         found = false
>         data = IO.read(f, 65536*8)
>         re = /[[:alnum:]_., ]{9,}/
>         data.scan(re) do |string|
>            if (string =~ /QuickTime/) then
>               filename = File.basename(f)
>               dirname = File.dirname(f)
> #               puts "#{string}   #{dirname}"
>              puts "#{string}   #{dirname}  #{filename}"
>               found = true
>               break
>            end
>         end
>         if (!found) then
>            puts "Unknown  #{f}"
>         end
>      end
>   elsif File.directory?(f) && !File.fnmatch(".", f) &&
> !File.fnmatch("..", f) then
>      Dir.foreach(f) { |subf| procpath(subf) }

Why are you recursing here? Find.find does this stuff for you!

>   end
> end
>
> Find.find("/Users/work/Music/iTunes/iTunes Music/") do |f|
>   procpath(f)
> end


John Carter                             Phone : (64)(3) 358 6639
Tait Electronics                        Fax   : (64)(3) 359 4632
PO Box 1645 Christchurch                Email : john.carter@tait.co.nz
New Zealand

Carter's Clarification of Murphy's Law.

"Things only ever go right so that they may go more spectacularly wrong later."

From this principle, all of life and physics may be deduced.