change loads of text files in directory

mass_text_change.rb

#!/usr/bin/env ruby
folder = "Products_HTML/"
new_folder = "fixed_HTML/"
fileForChange = []

def changeFile(file_list, f, n)
	Dir.mkdir(n)
	file_list.each do |file_name|
		text = File.read(f + file_name)
		File.open(n + file_name, "w") {|file| file.puts text.gsub(/<a href=/, "<a style='color:blue' href=")} 
	end
end


#find files
Dir.foreach(folder) {|x| fileForChange << x if File.file?(folder+x)}
#do something nasty with it
changeFile(fileForChange, folder, new_folder)