anchor.diff:  #################################
   
   <% @programs.each do |program,directory| -%>
  -<%= @program %>	<%= @directory %>
  +<%= program %>	<%= directory %>
   <% end -%>
   
   ###########
  
positive.code: ###########
  
  <% @options.each do |option,value| -%>
    <%- if @value != undef -%>
  <%= @option %>	<%= @value %>
    <%- end -%>
  <% end -%>
  
  
negative.code: # i.e. hourly, daily, weekly, monthly.  #
  #########################################
  
  <% if @retain_hourly.to_i > 0 %>
  retain		hourly	<%= @retain_hourly %>
  <% end %>
  <% if @retain_daily.to_i > 0 %>
  retain		daily	<%= @retain_daily %>
  <% end %>
  <% if @retain_weekly.to_i > 0 %>
  retain		weekly	<%= @retain_weekly %>
  <% end %>
  <% if @retain_monthly.to_i > 0 %>
  retain		monthly	<%= @retain_monthly %>
  <% end %>
  
  