From: Joel VanderWerf <vjoel@...>
Date: 2006-02-02T07:43:24+09:00
Subject: Re: Newbie query regarding ruby best practice

Neowulf wrote:
> Hi all,
> 
> I've just finished working on a few util scripts in Ruby to cut my
> teeth and I was wondering what the best practice is with regards the
> use of class methods.
> 
> E.g. Is it better to do something like this...
> 
> require 'fileutils'
> 
> FileUtils.mv(myfile,newpath)
> FileUtils.cp(newpath,anotherpath)
> FileUtils.rm(newpath)
> 
> or this...
> 
> fu = FileUtils.new
> 
> fu.mv(myfile,newpath)
> fu.cp(newpath,anotherpath)
> fu.rm(newpath)
> 
> I assume the second would only create a single instance of a
> "fileutils" object, thus requiring less overhead than the first?
> 
> ~Neowulf
> 

Or

fu = FileUtils

(without the .new)

I don't think FileUtils.mv creates a new instance of FileUtils. These
are class methods, so you can call them directly on the class object
without instantiating the class.

-- 
      vjoel : Joel VanderWerf : path berkeley edu : 510 665 3407