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Full Discussion: Shellscript command to remove files starting with a certain string, and older than 3 days
Top Forums Shell Programming and Scripting Shellscript command to remove files starting with a certain string, and older than 3 days Post 302969936 by jim mcnamara on Wednesday 30th of March 2016 10:24:21 AM
Old 03-30-2016
Quote:
older than 3 days.
The timestamp on a file is the number of seconds since Jan 1 1970. It gets turned into human readable dates using rules in your locale. So, simply subtracting three days from right now may not be what you want - calendar days, not 86400 seconds * 3. One day is 86400 seconds.

Try this: where I am it is Mar 30, 2016
so second "0" of Mar 29 is the cutoff

Code:
cd /path/to/files
touch -t 201603290000 dummy

Two options:
1. just the current directory
Code:
for f in prefix*
do
     if  [ "$f" -ot dummy ] ; then
       rm $f
     fi
done

2. whole directory tree starting from current directory

Code:
find . -type -name 'prefix*'  ! -newer dummy -exec rm {} \;

 

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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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