• Subject: Re: DLYJOb in Perl
  • From: Blair Wyman <wyman@xxxxxxxxxxxx>
  • Date: Wed, 24 Nov 1999 17:45:39 -0600 (CST)

Excerpts from midrange-l: 24-Nov-99 DLYJOb in Perl 
Amit.Mukherjee@smed.com (478*)  

> Is there an equivalent of DLYJOB in Perl . I want a Perl script  to do some  
> tasks repetitively in intervals.  

I've not done Perl on the AS/400, but the general Perl function is 
'sleep(n)' where n is the number of seconds to sleep.  IIRC, the AIX 
implementation does this with a signal, so it's a true wait and not some 
sort of CPU-intensive polling loop.  There's also 'alarm', but the 
perldoc advises not to mix sleep and alarm.  

The perldoc also advises that to sleep less at a finer granularity than 
one second, it's possible to use the syscall 'setitimer', but I doubt 
that the AS/400 Perl is so endowed.  

-blair  

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