From: Daniel Brumbaugh Keeney <devi.webmaster@...>
Date: 2008-03-06T05:09:23+09:00
Subject: Re: Better performance than native unix commands?

On Mon, Mar 3, 2008 at 10:21 PM, Markus Arike <marike1@optonline.net> wrote:
>
> Ma Sa wrote:
>  > I have an issue with nfs and listing a large amount of files that I am
>  > wondering if I can solve with ruby. I know that ruby has better
>  > performance in some instances than a bash shell script so I am wondering
>  > if anyone has experience or some examples of how this might work...
>  >
>  > I have a directory with a large amount of files that is mounted over
>  > nfs. The network is gigabit and so are the nic's. The servers are very
>  > high end so the hardware / network performance is not the bottleneck.
>  > However, sometimes it can take a very long time to list out the files
>  > contained within a directory.
>  >
>  > I will do an ls and it might take 5 minutes to retrieve a response.
>  >
>  > Would this be faster if I were to do the same ls function using the ruby
>  > api?
>
>  The only way to know for sure would be make some simple tests.

I must beg to differ. Ruby doesn't stand a chance of being as fast as
your system's ls.

>  ls does appear to be faster, but I'm sure others on this list know a
>  better Ruby way than that iterating over a Dir object.
>
>  Markus

The method you're looking for is Dir.foreach('.')

Daniel Brumbaugh Keeney