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Top Forums UNIX for Beginners Questions & Answers Delete directory older than n days Post 303046017 by jim mcnamara on Tuesday 21st of April 2020 05:04:46 PM
Old 04-21-2020
Based on this
Code:
drwxr-xr-x 2 dbadmin dbadmin 4096 Apr 21 09:44 2020-04-17
drwxr-xr-x 2 dbadmin dbadmin 4096 Apr 21 09:44 2020-04-16
drwxr-xr-x 2 dbadmin dbadmin 4096 Apr 21 09:44 2020-04-20
drwxr-xr-x 2 dbadmin dbadmin 4096 Apr 21 12:39 2020-04-14
drwxr-xr-x 2 dbadmin dbadmin 4096 Apr 21 12:41 2020-04-15
drwxr-xr-x 2 dbadmin dbadmin 4096 Apr 21 12:44 2020-04-18
drwxr-xr-x 2 dbadmin dbadmin 4096 Apr 21 13:18 2020-04-21

as output from ls and using the filename to generate a touch command to change the mtime on the directory:
Code:
ls -ld | while read f1 f2 f3 f4 f5 f6 f7 dname
do
   newtime=$( echo "$dname" | awk '{ gsub("-",""); printf("%s0000", $0) } ' )
    touch -t "$newtime" $dname
done

This only changes filetimes.

Last edited by jim mcnamara; 04-21-2020 at 06:48 PM..
This User Gave Thanks to jim mcnamara For This Post:
 

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

NAME
xfs_estimate - estimate the space that an XFS filesystem will take SYNOPSIS
xfs_estimate [ -h? ] [ -b blocksize ] [ -i logsize ] [ -e logsize ] [ -v ] directory ... DESCRIPTION
For each directory argument, xfs_estimate estimates the space that directory would take if it were copied to an XFS filesystem. xfs_esti- mate does not cross mount points. The following definitions are used: KB = *1024 MB = *1024*1024 GB = *1024*1024*1024 The xfs_estimate options are: -b blocksize Use blocksize instead of the default blocksize of 4096 bytes. The modifier k can be used after the number to indicate multiplica- tion by 1024. For example, xfs_estimate -b 64k / requests an estimate of the space required by the directory / on an XFS filesystem using a blocksize of 64K (65536) bytes. -v Display more information, formatted. -h Display usage message. -? Display usage message. -i, -e logsize Use logsize instead of the default log size of 1000 blocks. -i refers to an internal log, while -e refers to an external log. The modifiers k or m can be used after the number to indicate multiplication by 1024 or 1048576, respectively. For example, xfs_estimate -i 1m / requests an estimate of the space required by the directory / on an XFS filesystem using an internal log of 1 megabyte. EXAMPLES
% xfs_estimate -e 10m /var/tmp /var/tmp will take about 4.2 megabytes with the external log using 2560 blocks or about 10.0 megabytes % xfs_estimate -v -e 10m /var/tmp directory bsize blocks megabytes logsize /var/tmp 4096 792 4.0MB 10485760 % xfs_estimate -v /var/tmp directory bsize blocks megabytes logsize /var/tmp 4096 3352 14.0MB 10485760 % xfs_estimate /var/tmp /var/tmp will take about 14.0 megabytes xfs_estimate(8)
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