[CentOS] run script on cron job only run on first Saturdat every month???

Wed Jul 31 15:53:25 UTC 2013
m.roth at 5-cent.us <m.roth at 5-cent.us>

Tony Molloy wrote:
> On Tuesday 30 July 2013 22:58:34 John R Pierce wrote:
>> On 7/30/2013 2:32 PM, Keith Keller wrote:
>> > 15 04 1-7 * 6 /home/app/oracle/backup/monthlybk.sh
<snip>

Ok, I just mentioned this to my manager, and he told me why: he said he'd
been bitten by this before, and what's happening is that the logic of cron
is odd: it's an OR, *not* and AND, so it's saying "if it's a Sat, *or* if
it's the first seven days of the month....

    mark