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Full Discussion: delete file older than N days
Top Forums Shell Programming and Scripting delete file older than N days Post 302126545 by Ygor on Thursday 12th of July 2007 12:58:35 AM
Old 07-12-2007
Actually, date ranges in the find command do not work quite how you expect them to.

1 means 24 hours old
-1 means less than 24 hours old
+0 means more than 24 hours old
+1 means more than 48 hours old
Demonstration at the ksh prompt...
Code:
$ for i in 09 10 11 12;do touch -t 200707${i}0000  July_${i};done
$ ls -o
total 0
-rw-r--r--    1 Ygor          0 Jul  9 00:00 July_09
-rw-r--r--    1 Ygor          0 Jul 10 00:00 July_10
-rw-r--r--    1 Ygor          0 Jul 11 00:00 July_11
-rw-r--r--    1 Ygor          0 Jul 12 00:00 July_12
$ for j in 1 -1 +0 +1;do echo "[[ ${j} ]]";find . -type f -mtime ${j} -print;done
[[ 1 ]]
./July_11
[[ -1 ]]
./July_12
[[ +0 ]]
./July_09
./July_10
./July_11
[[ +1 ]]
./July_09
./July_10

The reason is that "+1" means 2 or more days old, i.e. more than 48 hours old.
 

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LEARN ABOUT DEBIAN

check-zone-expiration

CHECK-ZONE-EXPIRATION(1p)				User Contributed Perl Documentation				 CHECK-ZONE-EXPIRATION(1p)

NAME

       check-zone-expiration

SYNOPSIS

       # check-zone-expiration dnssec-tools.org paypal.com dnssec-tools.org    will expire in 26 days, 2 hours, 16 minutes, 36 seconds paypal.com
       will expire in 12 days, 17 hours, 7 minutes, 1 second

       # check-zone-expiration -m 1123200 dnssec-tools.org paypal.com paypal.com	  will expire in 12 days, 17 hours, 6 minutes, 22 seconds

DESCRIPTION

       The check-zone-exiration script reports how long until a zone will expire by querying for the zone's (top level) RRSIG and calculating how
       much time is left before the signatures will no longer be valid.  It will then report how much time is left in human readable form.

       If the -m switch is provided with a time argument (in seconds), it will only print output for zones that have less than that time left.

OPTIONS

       -m STRING
       --minimum-reporting=STRING
	   Minimum reporting time, or else be silent for the zone

COPYRIGHT

       Copyright 2012-2012 SPARTA, Inc.  All rights reserved.  See the COPYING file included with the DNSSEC-Tools package for details.

AUTHOR

       Wes Hardaker, hardaker@tislabs.com

SEE ALSO

       donuts(1)

perl v5.14.2							    2012-05-07						 CHECK-ZONE-EXPIRATION(1p)
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