blogsxom.rb

 @contentsArray=[]  #first we initialize an array for the contents
    @fileArray =[]  #then we initialize an array for the files
    Dir.foreach("#{RAILS_ROOT}/public/posts") do |fname|
      next if fname == '.' or fname == '..'
      @fileArray.push fname
    end
    
      @fileArray = @fileArray.reverse  #this insures that the blogs entries are listed in descending order
      @fileArray.each{|file|
      f = File.open("#{RAILS_ROOT}/public/posts/" + file, 'r')
      f.each_line {|line|
    
    @contentsArray.push line
    }}