From: Sean Russell <ser@...>
Date: 2002-07-04T00:13:38+09:00
Subject: Re: Question: ruby vs. ksh

David Douthitt wrote:

> `find #{start} ! -type d`.each { |file|
>       File.delete(file)
>       }
> 
> ksh again :-O

Why not use 'find'?

  require 'find'
  require 'ftools'
  Find.find( start ) { |file|
    File.delete(file) if File.file? file
  }

> `find #{start} -type d`.each { |dir|
>      ....
>      }
> 
> ksh yet again.... :-O

Why not use 'find'? ;-)

Actually, this is a bit more complicated, because Ruby doesn't have a 
recursive unlink:

  require 'find'
  require 'ftools'
  dirs = []
  Find.find( start ) do |file|
    if File.file?(file) ; File.rm_f(file)
    elsif File.directory?(file) ; dirs << file
  end
  dirs.sort{ |x,y| y.length <=> x.length }.each{ |d| Dir.delete d }

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