LIMIT=10 # Or whatever sleep `expr $RANDOM % $LIMIT + 1` -----Original Message----- From: centos-bounces at centos.org [mailto:centos-bounces at centos.org] On Behalf Of Matt Sent: 05 September 2013 16:25 To: CentOS mailing list Subject: [CentOS] Shell Script Help I have a script file in my cron.hourly that contains a good number of scripts I must call. #!/bin/sh sleep 15 perl /scripts/create_graph.pl & sleep 15 perl /scripts/create_graph_out.pl & many more lines. etc. Is there a way I can sleep random length to time before executing each but background each one so master script returns promptly. Something like. sleep (random 1 - 300 seconds, perl /scripts/create_graph_out.pl) & _______________________________________________ CentOS mailing list CentOS at centos.org http://lists.centos.org/mailman/listinfo/centos ______________________________________________________________________ This email has been scanned by the Symantec Email Security.cloud service. For more information please visit http://www.symanteccloud.com ______________________________________________________________________ ----- No virus found in this message. Checked by AVG - www.avg.com Version: 2013.0.3392 / Virus Database: 3211/6618 - Release Date: 08/28/13 Internal Virus Database is out of date. ______________________________________________________________________ This email has been scanned by the Symantec Email Security.cloud service. For more information please visit http://www.symanteccloud.com ______________________________________________________________________