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Full Discussion: find command with complex logic
Top Forums Shell Programming and Scripting find command with complex logic Post 302387077 by MaureenT on Thursday 14th of January 2010 11:41:11 AM
Old 01-14-2010
find command with complex logic
I'm looking to write a script that will do a find of directories and delete them if they are older than x days but keep the last x # of folders even if they are older than x days.
The usage is for a deployment location, so we want to keep the location clean but retain maybe the last 2 builds that have been deployed from a given folder. If there have been multiple builds in the last couple of days then we might want to keep more than 2 builds.

So the first criteria is keep a minimum of x builds.
The 2nd criteria is if they are less than 2 days old, keep more builds.

So I'm thinking I have to write something that does an ls -al, dumps to a temp file, removes the last 2 lines in that file or more lines if they are less than 2 days old and then uses that file to delete the folders.

I know the logic to do the find by date and delete, but I need to add the logic of keeping the last x builds to it. I'm just wondering about the best way to do this. Has anyone done something similar or have some suggestions?
 

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LEARN ABOUT SUSE

cyr_expire

CYR_EXPIRE(8)						      System Manager's Manual						     CYR_EXPIRE(8)

 *

NAME

       cyr_expire - expire messages and duplicate delivery database entries

SYNOPSIS

       cyr_expire [ -C config-file ] [ -D delete-days ] -E expire-days [ -X expunge-days ] [ -p  mailbox-prefix ] [ -v ]

DESCRIPTION

       Cyr_expire  is  used  to expire messages and duplicate delivery database entries.  Cyr_expire also cleanses mailboxes of partially expunged
       messages (when using the "delayed" expunge mode).  The expiration of messages is controlled by the  /vendor/cmu/cyrus-imapd/expire  mailbox
       annotation  which  specifies  the  age  (in days) of messages in the given mailbox that should be deleted.  Any duplicate delivery database
       entries which correspond to the mailbox are also deleted at the same frequency.

       The value of the /vendor/cmu/cyrus-imapd/expire annotation is inherited by all children of the given mailbox, so an entire mailbox tree can
       be  expired by seting a single annotation on the root of that tree.  If a mailbox does not have a /vendor/cmu/cyrus-imapd/expire annotation
       set on it (or does not inherit one), then no messages are expired from the mailbox.

       Cyr_expire reads its configuration options out of the imapd.conf(5) file unless specified otherwise by -C.

OPTIONS

       -C config-file
	      Read configuration options from config-file.

       -D delete-days
	      Remove previously deleted mailboxes older than delete-days (when using the "delayed" delete mode).

       -E expire-days
	      Prune the duplicate database of entries older than expire-days.  This value is only used for entries which do not have a correspond-
	      ing /vendor/cmu/cyrus-imapd/expire mailbox annotation.

       -X expunge-days
	      Expunge previously deleted messages older than expunge-days (when using the "delayed" expunge mode).

	-x    Do  not  expunge	messages  even if using delayed expunge mode (reduces the IO hit considerably, allowing you to run cyr_expire fre-
	      quently to clean up the duplicate database without overloading your server)

       -p mailbox-prefix
	      Only find mailboxes starting with this prefix.  e.g.  "user.justgotspammedlots"

       -v     Enable verbose output.

       -a     Skip the annotation lookup, so all /vendor/cmu/cyrus-imapd/expire annotations are ignored entirely.  It behaves as if they were  not
	      set, so only expire-days is considered for all mailboxes.

FILES

       /etc/imapd.conf

SEE ALSO

       imapd.conf(5), master(8)

CMU
								   Project Cyrus						     CYR_EXPIRE(8)
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