Re: [rdiff-backup-users] Problem with Detection of Multiple rdiff-backup instances

[Dominic Raferd]

Jakob Unterwurzacher wrote:
> in bash:
>
> #!/bin/bash
> for i in `seq 1 $((RANDOM%100))`; do /bin/true; done
>
>
> But you should make sure that $RANDOM assumes different values after a
> reboot (same for perl's rand(100), which is likely more advanced and
> less likely to suffer from that problem).
>
> Jakob
>   
this can be done by prefixing your 'for' line with:

RANDOM=$(($(date +%s) % 32768))

this seeds the random number generator based on the number of seconds 
since 1/1/70, so is likely to avoid repeats.

Dominic