yaml,load_file

http://corelib.rubyonrails.org/classes/YAML.html

yml file

  defaults:
    ttl: 1800
    readonly: false
    urlencode: false
    c_threshold: 10000
    compression: true
    debug: false
    namespace: lalala
    sessions: false
    fragments: true
    servers: localhost:11212
    benchmarking: true
 

>>YAML.load_file("file_name")
>>{"defaults"=>{"sessions"=>false, "ttl"=>1800, "readonly"=>false, "fragments"=>true, "c_threshold"=>10000, "benchmarking"=>true, "namespace"=>"youholder", "debug"=>false, "servers"=>"localhost:11212", "urlencode"=>false, "compression"=>true}}