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08.16.2008 at 04:11PM PDT, ID: 23654069 | Points: 500

	[x] Attachment Details

excute a command in N min (crontab)

Asked by JoshWegener in Linux Programming, PHP Scripting Language, Debian Linux

Tags: Debian, Linux, 3.1 ?, php

So I have a PHP file, at the end of its execution I want it to start setup a command to execute in N min from now. I tried to use crontab (see below) but it does not execute the command.

How can I fix this? or is there a better command to do this?

I am using 1and1 shared hosting.Start Free Trial

         
           
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             setCronJob(date('i', strtotime('+5 minute')), "*", "*", "*", "*", "CLUpdater", "sourcepages/SomeFile.php");
 
	function setCronJob($min, $hour, $monthDay, $monthNum, $weekDay, $cronName, $page){
		$command = "$min $hour $monthDay $monthNum $weekDay php -f /homepages/42/d160091301/htdocs/WebSites/MySite.com/www/$page";
		$cron_file = "/homepages/ID/User/htdocs/WebSites/MySite.com/cronJobs/cron_$cronName.job";
 
		// check for Feed_cron file. If it doesn't exist create it.
		// you must create the file from the browser to associate the proper group
		if (file_exists($cron_file)){  // if it exists, write new command
			$open = fopen($cron_file, "w"); // This overwrites current line
			fwrite($open, $command);
			fclose($open);
 
			// this will reinstate your Cron job
			exec("crontab $cron_file");
		} else { // if it Doesn't exist, Create it then write command
			touch($cron_file); // create the file, Directory "cron" must be writeable
			chmod($cron_file, 0777); // make new file writeable
 
			$open = fopen($cron_file, "w");
			fwrite($open, $command);
			fclose($open);
 
			// start the cron job!
			exec("crontab $cron_file");
		}
	}

           
         

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4	CRONTAB
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