Help with Cron pleazzzzzzzzzzzz

[John Nielsen]

Quoting Mike Jeays <mike.jeays at rogers.com>:
> On October 31, 2007 07:58:21 am VeeJay wrote:
>> I am running a status script written in Perl (*status.pl*) and want to have
>> it *Always Running*.
>>
>> How can I check through CRON that "status.pl" is running and if NO, then
>> start the script execution again?
>>
>> Please help and advise...
>
> You could write a shell script something like:

A couple nits:

> #!/bin/bash

#!/bin/sh

> ps -ax | grep 'status.pl'

This should probably be something like "ps -ax | grep 'status.pl' | 
grep -v grep" so you don't get false positives from the grep process 
itself.

JN

> if [ $q -eq 0 ]
> then
>  status.pl
> fi
>
> grep will return zero if it finds a line containing 'status.pl', and 1
> otherwise.
>
> in crontab, use
>
> * * * * * /full/path/to/script-above
>
> and it will check every minute.
>
> But a better fix would be to find the bug in status.pl that makes it crash!
>
>
>
>
> --
> Mike Jeays
> http://www.jeays.ca
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