From: Robert Klemme <shortcutter@...>
Date: 2009-01-15T05:54:06+09:00
Subject: Re: FileUtils.cp_r is slow?

On 14.01.2009 18:45, Paul Lynch wrote:
> I wrote a ruby script to backup files from my hard drive to my flash
> drive.   For some reason, with one of my flash drives, copying files
> with FileUtils.cp_r is about 250 times slower than if I drag and drop
> the files from one drive to the other in Windows.  I'm suspecting a
> buffer size problem.  Is there a way to control the buffer size cp_r
> selects?  If not, what alternatives are there to FileUtils.cp_r?  (I
> am about to try writing my own, but someone must already have a
> solution....)

Could it be that Windows is doing the copy in the background while cp_r 
doesn't?  After all, there is a reason why you must not simply plug off 
an USB drive...

Kind regards

	robert

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