[Info-vax] Meditech in the news

[Arne Vajhøj]

On 1/7/2022 2:50 PM, Simon Clubley wrote:
> On 2022-01-07, Arne Vajhøj <arne at vajhoej.dk> wrote:
>> ...
>> HPE said: ?The backup script includes a find command to delete log files
>> older than 10 days. In addition to functional improvement of the script,
>> the variable name passed to the find command for deletion was changed to
>> improve visibility and readability.?
>> ...
>> The company added: ?However, there was a lack of consideration in the
>> release procedure of this modified script. We were not aware of the side
>> effects of this behavior and released the [updated] script, overwriting
>> [a bash script] while it was still running,? HPE admitted. ?This
>> resulted in the reloading of the modified shell script in the middle of
>> the execution, resulting in undefined variables. As a result, the
>> original log files in /LARGE0 [backup disc storage] were deleted instead
>> of the original process of deleting files saved in the log directory.?
> 
> There is absolutely no excuse for that disaster whatsoever.
> 
> Bash has a setting that stops execution of a script when an undefined
> variable is encountered. I know this because it is at the top of every
> single bash script that I write.

set -u

?

Arne