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From: jas@ernie.Berkeley.EDU (Jim Shankland)
Newsgroups: comp.unix.wizards
Subject: Re: cron
Message-ID: <28433@ucbvax.BERKELEY.EDU>
Date: 17 Mar 89 17:40:58 GMT
References: <5312@lynx.UUCP> <7955@chinet.chi.il.us>
Sender: usenet@ucbvax.BERKELEY.EDU
Reply-To: jas@ernie.Berkeley.EDU.UUCP (Jim Shankland)
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Organization: University of California, Berkeley
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In article <7955@chinet.chi.il.us> les@chinet.chi.il.us (Leslie Mikesell) writes:
>SysV cron is seriously unclever about [behaving when the time changes].
>For example when daylight savings time ends it runs the 2AM jobs twice.
>I had some real problems due to some files being removed when they
>shouldn't have.

Heh.  So beware of putting non-idempotent operations into your
crontab ("move the wrecking ball 100 yards west," or "transfer
$10 million to account X").

Jim Shankland
jas@ernie.berkeley.edu

"Blame it on the lies that killed us, blame it on the truth that ran us down"