[Chicago-talk] Is this efficient.

Richard Reina richard at rushlogistics.com
Tue Oct 4 10:05:43 PDT 2005

This program puts caller id info into a the text file
each time a call come through only for viewing
purposes for users (employees) at there individual
workstations.  The data is not critical and we only
want to keep the last few hundred calls in the file. 
More complete data is on the PBX Server, so this file
is not critical. 

--- Pete Krawczyk <mongers at bsod.net> wrote:

> Subject: [Chicago-talk] Is this efficient.
> From: Richard Reina <richard at rushlogistics.com>
> Date: Tue, 4 Oct 2005 09:41:20 -0700 (PDT)
> }system("perl -ni.bak -e 'print unless 1..1'
> text.txt");
> Holy Race Condition, Batman!  Never mind the system
> call, this is a recipe 
> for disaster as written.  You run the risk of new
> data being written at 
> the wrong time or total loss of data if two of these
> run at the same time.
> I would highly, highly, highly suggest either using
> a log rotation tool 
> (such as logrotate) or a manual process to move the
> files.
> Is there any particular reason you need a cyclical
> log file instead of 
> one that grows?
> -Pete K
> -- 
> Pete Krawczyk
>   perl at bsod dot net
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