On Wed, 2009-08-19 at 11:55 +0200, Arno Kuhl wrote:
> -----Original Message-----
> From: Dengxule [mailto:dengx...@gmail.com] 
> Sent: 19 August 2009 09:56 AM
> To: Php Maillist
> Subject: [PHP] How to make sure that the target file to read is not under
> writing by others?
> Hi everyone:
> 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.
> PS: I've made a test. My php-script just "fopen" a local file being
> transported in, and the "fopen" returns no FALSE value but a resource.
> Dengxule
> 2009/08/19
> ----------------
> Check the timestamp of the log file. Alternatively you can have a log
> control file that is updated by the program transferring the log file only
> when the transfer is completed, and work on that.
> Cheers
> Arno
The log control file wouldn't work, as how would you know when to open
the control file?!


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