Empty backup directory

Steve Litt slitt at troubleshooters.com
Tue Jun 29 13:06:46 UTC 2021

Daniel said on Tue, 29 Jun 2021 14:26:20 +0200

>On 28/6/21 16:40, Steve Litt wrote:
>> Daniel said on Mon, 28 Jun 2021 14:58:10 +0200

>I am actually also in the habit of saving files regularly via shortcut 
>mainly because I don't fully understand/trust LyX's auto saving 
>function. However, one case where this often fail is when I start a
>new document of which I am don't expect it to end up being useful
>after all. 

:-) We've all been there. :-)

If I had a dime for every time a file called junk.py suddenly became
important, I'd be a rich man.

> So, I don't want to clutter my storage by saving the

The cool thing about my bupsky script is it automatically backs up the
whole tree of the current directory, even things called junk.jnk. I
have 14TB disk space so I never thought about the cost of backing up
temporary files, but this thread has made me realize that a simple
script to delete all trees not containing a file less than X days old
would lessen the temptation to not back up junk files.

I'll show you something:

[slitt at mydesk ~]$ du -hs /scratch/bup
48G	/scratch/bup
[slitt at mydesk ~]$ 

Consuming 48G with ancient backups that are already backed up by my
main backup system is inexcuseable. Soon I'll need to write a program
to tree delete all trees with no files under X days old. The big
challenge will be to include barriers to prevent deletion of young
files if my clock goes bad, and also to prevent deletion of random
directories (like /home/slitt for instance) if something bogus happens.

Thanks for the idea.


Steve Litt 
Spring 2021 featured book: Troubleshooting Techniques of the Successful
Technologist http://www.troubleshooters.com/techniques

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