From: Ruby Newbee <rubynewbee@...>
Date: 2009-11-22T19:06:11+09:00
Subject: Re: where to find the help document?

2009/11/22 nas <nasir35@googlemail.com>:
> Here are the core docs http://ruby-doc.org/core/
>
> and here the standard library docs http://ruby-doc.org/stdlib/
>

Thanks all.
So, is there a convenient way to check the usage of a function?
like unix's  `man printf` or Perl's perldoc -f print

Regards.