From: "Boris \"BXS\" Schulz" Date: 2004-01-04T01:06:42+09:00 Subject: Re: nuby question: f.rename(x,y) does not work OK, so what do I do now ? "Ruby In A Nutshell" says: Methods can be defined that are associated with specific o jects only. Such methods are called singleton methods. This does not really help me though :-( greetings, BXS