require "yaml"
fname = "hash_output.txt"
hsh = {
	"test" => "foo",
	"test2" => "foo2"
}

#save to file...
File.open(fname, "w"){|fo|
	fo << YAML.dump(hsh)
}

hsh2 = {}
#load from file...
File.open(fname, "r"){|fo|
	hsh2 = YAML.load(fo)
}

#test new hash...
hsh2.each{|k, v|
	puts "#{k} => #{v}"
}