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

2009-08-20 Thread Tom Worster
On 8/19/09 9:56 PM, Clancy clanc...@cybec.com.au wrote: I gather from this discussion that PHP allows two users to open a file for R/W? I had assumed it wouldn't. i think php does allow this. but i'm not sure all file systems do. -- PHP General Mailing List (http://www.php.net/) To

RE: [PHP] How to make sure that the target file to read is not under writing by others?

2009-08-20 Thread Arno Kuhl
-Original Message- From: Tom Worster [mailto:f...@thefsb.org] Sent: 20 August 2009 01:28 PM To: Clancy; php-general@lists.php.net Subject: Re: [PHP] How to make sure that the target file to read is not under writing by others? On 8/19/09 9:56 PM, Clancy clanc...@cybec.com.au wrote: I

[PHP] How to make sure that the target file to read is not under writing by others?

2009-08-19 Thread Dengxule
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

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

2009-08-19 Thread Ashley Sheridan
On Wed, 2009-08-19 at 15:55 +0800, Dengxule wrote: 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

RE: [PHP] How to make sure that the target file to read is not under writing by others?

2009-08-19 Thread Arno Kuhl
-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.

RE: [PHP] How to make sure that the target file to read is not under writing by others?

2009-08-19 Thread Ashley Sheridan
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

RE: [PHP] How to make sure that the target file to read is not under writing by others?

2009-08-19 Thread Arno Kuhl
-Original Message- From: Ashley Sheridan [mailto:a...@ashleysheridan.co.uk] Sent: 19 August 2009 11:57 AM To: a...@dotcontent.net Cc: 'Dengxule'; 'Php Maillist' Subject: RE: [PHP] How to make sure that the target file to read is not under writing by others? On Wed, 2009-08-19 at 11:55

RE: [PHP] How to make sure that the target file to read is not under writing by others?

2009-08-19 Thread Ashley Sheridan
On Wed, 2009-08-19 at 12:56 +0200, Arno Kuhl wrote: -Original Message- From: Ashley Sheridan [mailto:a...@ashleysheridan.co.uk] Sent: 19 August 2009 11:57 AM To: a...@dotcontent.net Cc: 'Dengxule'; 'Php Maillist' Subject: RE: [PHP] How to make sure that the target file to read is

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

2009-08-19 Thread Nitebirdz
On Wed, Aug 19, 2009 at 11:59:39AM +0100, Ashley Sheridan wrote: No, what you're saying is 'use a log file in order to know when to look at another log file'. What would happen if you tried to access the control log file whilst it was in the process of being written to? Admittedly, you

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

2009-08-19 Thread Kyle Smith
Nitebirdz wrote: On Wed, Aug 19, 2009 at 11:59:39AM +0100, Ashley Sheridan wrote: No, what you're saying is 'use a log file in order to know when to look at another log file'. What would happen if you tried to access the control log file whilst it was in the process of being written to?

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

2009-08-19 Thread Tom Worster
On 8/19/09 3:55 AM, Dengxule dengx...@gmail.com 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

RE: [PHP] How to make sure that the target file to read is not under writing by others?

2009-08-19 Thread Arno Kuhl
-Original Message- From: Ashley Sheridan [mailto:a...@ashleysheridan.co.uk] Sent: 19 August 2009 01:00 PM To: a...@dotcontent.net Cc: 'Dengxule'; 'Php Maillist' Subject: RE: [PHP] How to make sure that the target file to read is not under writing by others? On Wed, 2009-08-19 at 12:56

RE: [PHP] How to make sure that the target file to read is not under writing by others?

2009-08-19 Thread Ashley Sheridan
On Wed, 2009-08-19 at 15:31 +0200, Arno Kuhl wrote: (any computer would instantly crash if that sort of basic housekeeping wasn't done) No, it really wouldn't! If it did, then you'd never have video playing software out there that supported broken downloads, no preview software for

RE: [PHP] How to make sure that the target file to read is not under writing by others?

2009-08-19 Thread Arno Kuhl
-Original Message- From: Ashley Sheridan [mailto:a...@ashleysheridan.co.uk] Sent: 19 August 2009 03:34 PM To: a...@dotcontent.net Cc: 'Dengxule'; 'Php Maillist' Subject: RE: [PHP] How to make sure that the target file to read is not under writing by others? On Wed, 2009-08-19 at 15:31

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

2009-08-19 Thread Clancy
On Wed, 19 Aug 2009 08:13:56 -0400, kyle.sm...@inforonics.com (Kyle Smith) wrote: Nitebirdz wrote: On Wed, Aug 19, 2009 at 11:59:39AM +0100, Ashley Sheridan wrote: No, what you're saying is 'use a log file in order to know when to look at another log file'. What would happen if you