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From: tmcd@panix.com (Tim McDaniel)
Newsgroups: comp.lang.perl.misc
Subject: Re: the fastest way to create a directory
Date: Wed, 17 Jul 2013 21:21:31 +0000 (UTC)
Organization: Tim McDaniel's at Panix
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In article <ks71fk$2rgk$1@news.ntua.gr>,
George Mpouras <nospam.gravitalsun.antispam@spamno.hotmail.anispam.com.nospam> wrote:
>your code is not good. It ALWAYS access the hard disk as many times as the 
>number of upper dirs .

I think you don't understand disk caching.  Any reasonable modern
system will cache data.

-- 
Tim McDaniel, tmcd@panix.com