Re: Optimization question -- C400-L

× The internal search function is temporarily non-functional. The current search engine is no longer viable and we are researching alternatives.
As a stop gap measure, we are using Google's custom search engine service.
If you know of an easy to use, open source, search engine ... please contact support@midrange.com.

Subject: Re: [C400-L] Optimization question
From: James Rich <james@xxxxxxxxxxx>
Date: Fri, 14 Dec 2001 11:23:35 -0700 (MST)
List-Archive: <http://archive.midrange.com/c400-l/>
List-Help: <mailto:c400-l-request@midrange.com?subject=help>
List-Id: C programming iSeries / AS400 <c400-l.midrange.com>
List-Post: <mailto:c400-l@midrange.com>
List-Subscribe: <http://lists.midrange.com/cgi-bin/listinfo/c400-l>,<mailto:c400-l-request@midrange.com?subject=subscribe>
List-Unsubscribe: <http://lists.midrange.com/cgi-bin/listinfo/c400-l>,<mailto:c400-l-request@midrange.com?subject=unsubscribe>

On Fri, 14 Dec 2001, Eugene Astanovsky wrote:

> 3. Check, if file exist before creating it and make CRTDUPOBJ only if the
> file does not exist.
>
> My question is which of the choices is the best? And if the best is nr.3,
> then what is the most efficient way to check the existence of the file?

I'm not sure if this will work for files in QTEMP but you could try the
stat() system call.  This is a low overhead call that will tell you
(among other things) if a file exists.

James Rich
james@eaerich.com

As an Amazon Associate we earn from qualifying purchases.

This mailing list archive is Copyright 1997-2024 by midrange.com and David Gibbs as a compilation work. Use of the archive is restricted to research of a business or technical nature. Any other uses are prohibited. Full details are available on our policy page. If you have questions about this, please contact [javascript protected email address].

Operating expenses for this site are earned using the Amazon Associate program and Google Adsense.