ERB


<% confHash.each do |key, value| -%>
<% if defined? value -%>
--<%= key -%>=<%= value %>
<% else %>
--<%= key %>
<% end -%>
<% end -%>


PUPPET SYNTAX

confHash {
  mysql_host = "192.168.10.5",
  user => "thedude"
  password => "whiterussian",
  verbose => undef
}