i'm sure there are more elegant solutions, but you could control the running
of your php script via a perl script called by cron....in perl check to see
if the process is already running, and if so exit, else start it
jack
-----Original Message-----
From: Simon Kimber [mailto:[EMAIL PROTECTED]]
Sent: Thursday, September 20, 2001 1:13 PM
To: [EMAIL PROTECTED]
Subject: [PHP] Is CRON'd PHP script already running?
Hi All,
I have a PHP script that i want to run every few minutes (via cron) but I
only want it to run if it isn't already running.
Is there something in cron itself to solve this or is there a way within PHP
to detect that another instance of the current script is running and if so
exit the new instance before it does anything...
eg. I could have a function to use like so:
if (already_running($SCRIPT_NAME)) {
exit();
}
Thanks in advance!
Simon
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