I apologize, I forgot to mention something very important: I am using cygwin's cron on Win2003 Server.
I tried using Unix::PID but ppm.bat for ActiveState Perl could not find it. Sieg -----Original Message----- From: JupiterHost.Net [mailto:[EMAIL PROTECTED] Sent: Friday, April 21, 2006 2:45 PM To: beginners@perl.org Subject: Re: How to prevent duplicate cron jobs? siegfried wrote: > I have a cron job running perl and it is taking a very long time -- > sometimes over 24 hours. > > How can I have cron schedule my job daily, or even hourly, and have the perl > code exit if a previouse instance of the job is still running? perldoc Unix::PID # job.pl that gets cron'ed: #!/usr/bin/perl use strict; use warnings; use Unix::PID '/var/run/job.pid'; # your code here # -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] <http://learn.perl.org/> <http://learn.perl.org/first-response> -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] <http://learn.perl.org/> <http://learn.perl.org/first-response>