[Cialug] Cron

[kristau]

Interesting results:

40 16 * * *     echo "FIRST" > /tmp/first.txt
40 16 * * *     echo "SECOND" > /tmp/second.txt
40 16 * * *     echo "THIRD" > /tmp/third.txt
40 16 * * *     echo "FOURTH" > /tmp/fourth.txt
40 16 * * *     echo "FIFTH" > /tmp/fifth.txt

ls -lt --full-time /tmp/*.txt
-rw-r--r--. 1 kristau kristau 6 2016-03-23 16:40:06.350406655 -0500
/tmp/first.txt
-rw-r--r--. 1 kristau kristau 6 2016-03-23 16:40:06.340406654 -0500
/tmp/third.txt
-rw-r--r--. 1 kristau kristau 7 2016-03-23 16:40:06.335406654 -0500
/tmp/second.txt
-rw-r--r--. 1 kristau kristau 7 2016-03-23 16:40:06.327406653 -0500
/tmp/fourth.txt
-rw-r--r--. 1 kristau kristau 6 2016-03-23 16:40:06.304406652 -0500
/tmp/fifth.txt


I'd say, "Simultaneous enough?"

On Tue, Mar 22, 2016 at 7:53 PM, Josh More <jmore at starmind.org> wrote:
> They're basically simultaneous:
>
> 50 19 * * * sleep 120; echo "Test" > /tmp/1
> 50 19 * * * echo "Test" > /tmp/2
>
>
> $ ls -alrt /tmp/?
> -rw-r--r-- 1 root root 5 Mar 22 19:50 /tmp/2
> -rw-r--r-- 1 root root 5 Mar 22 19:52 /tmp/1
>
>
> -Josh
>
>
> On Tue, Mar 22, 2016 at 7:38 PM, kristau <kristau at gmail.com> wrote:
>
>> I've always assumed they launched practically simultaneously. Your
>> question, however, challenges that assumption.
>>
>> On Tue, Mar 22, 2016 at 7:30 PM, Patrick Mcgillan
>> <patrick.mcgillan at gmail.com> wrote:
>> > I have 2 entries in my crontab file like this;
>> >
>> > * * * * * do something every minute
>> > 59 23 * * * do something at 1159PM
>> >
>> > Qustion is, does cron run both at same time or does it do one and then
>> the
>> > next one.
>> >
>> > --
>> > Patrick
>> > _______________________________________________
>> > Cialug mailing list
>> > Cialug at cialug.org
>> > http://cialug.org/mailman/listinfo/cialug
>>
>>
>>
>> --
>> Tired programmer
>> Coding late into the night
>> The core dump follows
>> _______________________________________________
>> Cialug mailing list
>> Cialug at cialug.org
>> http://cialug.org/mailman/listinfo/cialug
>>
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-- 
Tired programmer
Coding late into the night
The core dump follows