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Full Discussion: Delete all files created in specific year
Top Forums UNIX for Beginners Questions & Answers Delete all files created in specific year Post 303036576 by drysdalk on Wednesday 3rd of July 2019 08:50:25 AM
Old 07-03-2019
Hi,

In theory, this should be fairly straightforward. If you want to delete all files created from 2017 and beyond (i.e. also files from 2016, 2015, etc - anything older than 2017), then you could do something like this:

Code:
find /path/to/files -type f -mtime +549 -exec rm -fv \{\} \;

That would find all files older than 549 days (at the time of writing, the number of days since December 31st 2017) and remove them.

Now, if you really want to only remove files from 2017, and only 2017, then it's slightly more complicated, but not much so. Assuming your version of find supports it, this would do the trick:

Code:
find /path/to/files -type f -newermt 2017-01-01 \! -newermt 2018-01-01 -exec rm -fv \{\} \;

This will very specifically remove files whose modification time is newer than 1st January 2017, but not newer than 1st January 2018 (in other words - files from 2017).

Hope this helps. Please test carefully before running this with a live rm command - swap it out for an ls or switch out the -exec for a -print first just to be sure it really is going to catch what you want, and only what you want, before turning this loose on your filesystem for real.
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LEARN ABOUT MOJAVE

chage

CHAGE(1)                                                           User Commands                                                          CHAGE(1)

NAME

       chage - change user password expiry information

SYNOPSIS

       chage [options] LOGIN

DESCRIPTION

       The chage command changes the number of days between password changes and the date of the last password change. This information is used by
       the system to determine when a user must change his/her password.

OPTIONS

       The options which apply to the chage command are:

       -d, --lastday LAST_DAY
           Set the number of days since January 1st, 1970 when the password was last changed. The date may also be expressed in the format
           YYYY-MM-DD (or the format more commonly used in your area).

       -E, --expiredate EXPIRE_DATE
           Set the date or number of days since January 1, 1970 on which the user's account will no longer be accessible. The date may also be
           expressed in the format YYYY-MM-DD (or the format more commonly used in your area). A user whose account is locked must contact the
           system administrator before being able to use the system again.

           Passing the number -1 as the EXPIRE_DATE will remove an account expiration date.

       -h, --help
           Display help message and exit.

       -I, --inactive INACTIVE
           Set the number of days of inactivity after a password has expired before the account is locked. The INACTIVE option is the number of
           days of inactivity. A user whose account is locked must contact the system administrator before being able to use the system again.

           Passing the number -1 as the INACTIVE will remove an account's inactivity.

       -l, --list
           Show account aging information.

       -m, --mindays MIN_DAYS
           Set the minimum number of days between password changes to MIN_DAYS. A value of zero for this field indicates that the user may change
           his/her password at any time.

       -M, --maxdays MAX_DAYS
           Set the maximum number of days during which a password is valid. When MAX_DAYS plus LAST_DAY is less than the current day, the user
           will be required to change his/her password before being able to use his/her account. This occurrence can be planned for in advance by
           use of the -W option, which provides the user with advance warning.

           Passing the number -1 as MAX_DAYS will remove checking a password's validity.

       -R, --root CHROOT_DIR
           Apply changes in the CHROOT_DIR directory and use the configuration files from the CHROOT_DIR directory.

       -W, --warndays WARN_DAYS
           Set the number of days of warning before a password change is required. The WARN_DAYS option is the number of days prior to the
           password expiring that a user will be warned his/her password is about to expire.

       If none of the options are selected, chage operates in an interactive fashion, prompting the user with the current values for all of the
       fields. Enter the new value to change the field, or leave the line blank to use the current value. The current value is displayed between a
       pair of [ ] marks.

NOTE

       The chage program requires a shadow password file to be available.

       The chage command is restricted to the root user, except for the -l option, which may be used by an unprivileged user to determine when
       his/her password or account is due to expire.

CONFIGURATION

       The following configuration variables in /etc/login.defs change the behavior of this tool:

FILES

       /etc/passwd
           User account information.

       /etc/shadow
           Secure user account information.

EXIT VALUES

       The chage command exits with the following values:

       0
           success

       1
           permission denied

       2
           invalid command syntax

       15
           can't find the shadow password file

SEE ALSO

       passwd(5), shadow(5).

shadow-utils 4.5                                                    01/25/2018                                                            CHAGE(1)
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