A puzzle! Crontab and mkdir and files, oh my!

Karl Auer kauer at biplane.com.au
Thu Apr 24 04:16:14 UTC 2025


On Thu, 2025-04-24 at 14:01 +1000, Karl Auer wrote:
> This is a crontab entry. I've broken it up over several lines for
> clarity, but it's all one line in the crontab.
> 
> The first line is just saying "do this every day at 01:00".
> 
> The second line locates and deletes directories matching "*_temp*.
>  
> But what is going on in the last line?
> 
>    0 1 * * * 
>    find /home/ubuntu/data -type d -name '*_temp*' -exec rm -r {} +
>    > mkdir /home/ubuntu/data/log/adfd_cleanup.log 2>&1
> 
> Please - no theories! If you know, you know. And I don't know!

Now I do know.

I'll wait to tell you more in case the people that like a puzzle want
to have a go at figuring it out. But I will leave a hint: The crontab
line as a whole is badly broken.

Regards, K.

-- 
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Karl Auer (kauer at biplane.com.au, he/him)
http://www.biplane.com.au/kauer





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