Removing outdated files

[Jan Danielsson]

Hello all,

I have a backup system which produces files using the following pattern:

<basename>.<dat e>.<extension>

For instance:

documents.2007-01-01.tar.bz2.gpg
documents.2007-01-02.tar.bz2.gpg

[Gabriel Genellina]

Re: Removing outdated files

At Tuesday 23/1/2007 02:17, Jan Danielsson wrote:

I've been looking at the datetime.date class, but I can't see any
>easy way to parse the week number from it. I could calculate this
>information by brute force -- but I get a feeling that there are
>functions in Python to extract week numbers from a date.

..isocalendar()


--
Gabriel Genellina
Softlab SRL






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[Jan Danielsson]

Re: Removing outdated files

Gabriel Genellina wrote:

> I've been looking at the datetime.date class, but I can't see any
>easy way to parse the week number from it. I could calculate this
>information by brute force -- but I get a feeling that there are
>functions in Python to extract week numbers from a date.

>
.isocalendar()

.thanks()

--
Kind regards,
Jan Danielsson

[Laurent Pointal]

Re: Removing outdated files

Jan Danielsson a écrit :

Hello all,
>
I have a backup system which produces files using the following pattern:

....

>
Obviously, I have little need for *all* those files. What I want to
do is to delete old files according to this pattern:
>
- Keep all backup files which are two weeks, or less, old
- If backups are more than two weeks old, then keep only the latest
one for each week.
- If backups are more than two months old, then keep only the latest
one for each month.
- If backups are more than two years old, then keep only the latest
one for each year.

You should take a look at snapy, AFAIR it does things like this to
manage snapshot backups (with cp [+rsync] [+ssh]).

http://www.flibuste.net/libre/snapy/