main.rb

@in_item = false #are we in channel or item?
@link = [] #current link. becuase links and texts go together
line = gets
while(line)
  if line =~ /<item>/
    puts "<h2><a href=#{@link[0]}>#{escape(@link[1])}<\/a><\/h2>"
    @in_item = true
  elsif line =~ /<\/item>/
    puts "<a href=#{@link[0]}>#{escape(@link[1])}<\/a>"
    @link = [nil, nil]
    @in_item = false;
  end

  if @in_item
    if line =~ /<title>(.*)<\/title>/
      puts "<h3>#{escape($1)}<\/h3>"
    elsif line =~ /<link>(.*)<\/link>/
      @link[0] = $1
    elsif line =~ /<description>(.*)<\/description>/
      @link[1] = $1
    end
  else
    if line =~ /<title>(.*)<\/title>/
      puts "<h1>#{escape($1)}<\/h1>"
    elsif line =~ /<link>(.*)<\/link>/
      @link[0] = $1
    elsif line =~ /<description>(.*)<\/description>/
      @link[1] = %1
    end

  end
  
end