From: Johannes Held <johannes.held@...>
Date: 2011-05-20T16:40:31+09:00
Subject: Re: replace lines in a file using hash key-value pairs

Something like that?

hash = {"#HOST#" => "localhost", "#PORT#" => "2020" }
fdata = File.read("config.ini")
hash.each {|key, value|	fdata.gsub(key, value) }
File.open("config_new.ini", "w") { |f| f.write(fdata) }

--
Johannes