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07.08.2005 at 10:52AM PDT, ID: 21485139
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shell script to selectively delete files based on date

Tags: files, delete, script, shell, date
Hello,

I'm fairly new to Linux and although I can find my away around the basics and understand a lot of the concepts, I'm having trouble putting together a shell script to perform what seems like it should be a simple task!

I'm trying to write a shell script (that will be run as a cron job) to do the following:

tar/gzip all of the log files in a directory EXCEPT for the one with the current date (since it's still in use)

(I know the command to do this for ALL log files, but I can't figure out a way to exclude the current day's log file by its date (ctime) stamp.)

verify that the tar.gz file was successfully created

delete the individual log files that were added to the tar.gz file from the directory EXCEPT for the current day's log file

(Again, I know how to rm the files -- but, I want to rm all of them EXCEPT for the current day's log file.)

There are SO many unix/linux command switches and combinations of piped commands that it's frustrating to figure this out.

I'm sure it's a no-brainer for someone who's been using Linux for a while.

Thanks for your replies!

- d
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Question Stats
Zone: Programming
Question Asked By: daschund
Solution Provided By: ravenpl
Participating Experts: 2
Solution Grade: B
Views: 262
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07.08.2005 at 12:03PM PDT, ID: 14399870

Rank: Guru

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07.12.2005 at 03:26AM PDT, ID: 14420049

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07.12.2005 at 03:27AM PDT, ID: 14420052

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09.06.2005 at 10:30PM PDT, ID: 14834145

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07.08.2005 at 12:03PM PDT, ID: 14399870

Rank: Guru

I will not write the whole script for You, but I'll show You how to find files older than, newer than etc:

#find all files under /dir older than 7 days, and delete
find /dir -type f -mtime +7 | xargs rm -f
#find all files newer than FILE, and delete
find /dir -type f -newer /path/to/FILE -exec rm \{\} \;
#find all files older than 10 minutes, and print names(print is default)
find /dir -type f -mmin +10 -print
#find all files newer than 1 day, and tar them to file.tar
find /dir -type f -mtime -1 | tar -c -T - -f file.tar

Need more help, ask more exactly.
Accepted Solution
 
07.12.2005 at 03:26AM PDT, ID: 14420049
Hi,

A simpler way to do what you want to do with your logfiles is to install the tool logrotate.
Check your system it is probably already installed (what distro are you using), almost all distro's are using logrotate
logrotate is scheduled via cron to run every day.

logrotate just does what you want, clean up old log files in a gz-file and delete old gz-files.

for new or self-written logfiles you will probably have to add a line in the logrotate configurationfile (/etc/logrotate.conf)

 
07.12.2005 at 03:27AM PDT, ID: 14420052
Hi,

And of course logrotate can be setup to rotate any folder or files from your own packages/folders
 
09.06.2005 at 10:30PM PDT, ID: 14834145
No comment has been added to this question in more than 21 days, so it is now classified as abandoned.

I will leave the following recommendation for this question in the Cleanup topic area:
   Split: ravenpl {http:#14399870} & toneus {http:#14420049}

Any objections should be posted here in the next 4 days. After that time, the question will be closed.

jmcg
EE Cleanup Volunteer
 
 
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