Re: variables in the run script

From: Subba Rao <umroute_at_tanucoo.com>
Date: Wed, 09 Oct 2013 06:11:10 +0200

On 10/8/13 8:38 PM, Jameson Graef Rollins wrote:
> On Tue, Oct 08 2013, Subba Rao <umroute_at_tanucoo.com> wrote:
>> I have a run script that has an infinite loop performing some cleanup
>> functions, system monitoring functions etc. Once the tasks in one loop
>> cycle are completed, I want the loop in "run" script to sleep for some
>> random #hours before starting a new loop cycle. I have been trying to
>> use the $RANDOM in bash for the sleep time.
>>
>> while :
>> do
>> Function1
>> Function2
>> slp=$(( $RANDOM % 14 + 22)) /* Any number from 22 to 36 */
>> zzz="${slp}h" /* Append "h" for hours */
>> echo $zzz >> ./log.txt /* echo $zzz to log file */
>> sleep $zzz /* sleep for $slp hours */
>> done
> Hi, Subbarao. I'm not sure if this is just a red herring, but the
> syntax you've written here is confusing. "/*" is not a valid comment
> character string in shell, so if this represents the actual content of
> the script it should definitely not work. The comment character for
> shell character "#".
>
> jamie.
When I posted this, I was thinking of C programming syntax. I have not
documented by original script yet. I added the C syntax only to show
the logic.

Subbarao
Received on Wed Oct 09 2013 - 04:11:10 UTC