Generate simple index for delicious library

generate_delicious_library_index.rb

require "rubygems"
require "nokogiri"

def getfiles(dir)
  return Dir.new(dir).entries.select {|file| file =~ /[^.]*.html/ }
end
def replaceChars(str)
  return str.gsub('å','å').gsub('ä','ä').gsub('ö','ö') \
    .gsub('Å','Å').gsub('Ä','Ä').gsub('Ö','ö') \
    .gsub(' ','')
end
def getPageAndTitles(dir)
  index = {}
  getfiles(dir).each{ |file|
   doc = Nokogiri::HTML(open(File.join(dir,file)).read)
   index[file] = doc.css(".medium").map{|medium| 
     replaceChars(medium.css("a.creator").inner_html) + " : "+\
     replaceChars(medium.css("a.title").inner_html)
   } 
  }
  return index.sort{|a,b|
    reformat(a)<=>reformat(b) 
   }
end
def reformat(val)
  split = val[0].gsub(/\.html/, '').split('-')
  if split[0] == "index":
    return "books-00001"
  end
  if split.length==1:
    count = 1
  else
    count = split[1].to_i
  end
  return split[0]+ ("%05d" % count)
end
def getPageAndTitlesSimpleHtml(dir,basepath)
  return getPageAndTitles(dir).map{ |file,titles|
   titlehtml = titles.map{|title| "<li>#{title}</li>" }.join("\n")
   """<div><a href='#{basepath}/#{file}'>#{file}</a>
   <ul>
     #{titlehtml}
   </ul>
   </div>
   """  
  }
end
#
#p doc
File.open("index.html","wb") do |file| 
    file.puts getPageAndTitlesSimpleHtml("deliciouslibrary",basepath)
end

File.open("iphone.html","wb") do |file| 
    file.puts getPageAndTitlesSimpleHtml(File.join("deliciouslibrary","iphone"),basepath)
end