Re: How to make sure that the target file to read is not under writing by others?

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On 8/19/09 3:55 AM, "Dengxule" <dengxule@xxxxxxxxx> wrote:

> I have a crontab command to execuate my php-script every half an hour.
> 
> The mission of the php-script is to open a file(log file), examine it.
> 
> The target file(log file) is transported to local every half an hour.
> 
> I've no idea how much time it will costs and on the other hand, i want to
> make sure the file i'm openning is Completely Written.
> 
> Any instruction will be grateful.

perhaps you could use cronolog (http://cronolog.org/) to rotate the log
files every half hour? that way you could be sure that the file you open to
process/copy is one that cronolog has finished writing to.



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