Archiving by Time

aefskysa · #1 (**permalink**) 07-18-2008

Hi all. I am trying to set up archiving of directories, such that I keep every directory made in the past week, but just one directory per week beyond that. Using the find command, I can easily delete everything more than one week old, but can not figure out how to save one.

Each directory contains a single zip file. I'd prefer to keep the one with the largest zip file, but this is not necessary. If someone can tell me how I can keep just one directory, regardless of criteria, I would be greatly appreciative.

I realize that this could probably be done by hand, but a zip file and directory is created ~every 30 minutes, so it would be rather tedious.

Thanks for any help you can provide.

EDIT: This archiving is currently done (deleting everything more than a week old) in a shell script that is called by the program. This script creates and moves the zip file from a bunch of jpg's. Hence, I figured this was the correct sub-forum. If not, let me know and I will be glad to move it.

zaxxon · #2 (**permalink**) 07-18-2008

So is this solved or still open?

If it is still open - why not do a find to get largest of them, safe it first, and then delete all of them (if I got it right)?

aefskysa · #3 (**permalink**) 07-18-2008

It is still open. I did not see an option among the man page for "find" to get the largest file. Which option is it?

zaxxon · #4 (**permalink**) 07-18-2008

Sorry, might be misleading, as find can only show files compared to some size, what might give you still too many files, instead of 1 for the largest. Here is a bit lengthy explanation, how you could handle this and implement in the script you already have:

Code:

root@isau02:/data/tmp/testfeld> ll
insgesamt 36
drwxr-xr-x 2 isau users 4096 2008-07-18 13:59 .
drwxr-xr-x 7 isau users 4096 2008-07-09 14:36 ..
-rwx------ 1 root root   197 2008-07-08 10:00 array.ksh
-rw-r--r-- 1 root root    98 2008-07-17 14:31 infile
-rwx------ 1 root root   207 2008-07-04 10:10 input.ksh
-rwx------ 1 root root   328 2008-07-08 09:21 loop.ksh
-rwx------ 1 root root    27 2008-07-18 13:59 mach.ksh
-rw-r--r-- 1 root root   845 2008-07-08 07:58 NMEA.txt
-rw-r--r-- 1 root root     0 2008-07-18 13:55 temp2.txt
-rwx------ 1 root root   174 2008-06-27 13:25 weekend_is_close.ksh
root@isau02:/data/tmp/testfeld> find . -type f -exec ls -la {} \;| awk '{print $5,$NF}'
207 ./input.ksh
328 ./loop.ksh
845 ./NMEA.txt
98 ./infile
197 ./array.ksh
27 ./mach.ksh
0 ./temp2.txt
174 ./weekend_is_close.ksh
root@isau02:/data/tmp/testfeld> find . -type f -exec ls -la {} \;| awk '{print $5,$NF}'| sort -k 1,1n
0 ./temp2.txt
27 ./mach.ksh
98 ./infile
174 ./weekend_is_close.ksh
197 ./array.ksh
207 ./input.ksh
328 ./loop.ksh
845 ./NMEA.txt
root@isau02:/data/tmp/testfeld> find . -type f -exec ls -la {} \;| awk '{print $5,$NF}'| sort -k 1,1n| tail -1| awk '{print $2}'
./NMEA.txt

aefskysa · #5 (**permalink**) 07-18-2008

That is quite helpful, but seems to be missing the final step. Once I pick out that file, how can I execute any other command on it? I am thinking I just want to 'touch' that file and make the date far enough in the past that the script will cease caring about it. Thanks again.

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