2005-11-01 キーに姓、バリューに名を格納したハッシュに yasuhiro と引数を渡 すことで onishi と返すスクリプト ruby #!/usr/bin/env ruby staff={ "kondo" => "junya", "ito" => "naoya", "onishi" => "yasuhiro", "danjou" => "nobuo", "minowa" => "higepon" } hatena=ARGV.shift if staff.key?(hatena) then p staff[hatena] end