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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

cupstestppd

cupstestppd(1)							    Apple Inc.							    cupstestppd(1)

NAME

       cupstestppd - test conformance of ppd files

SYNOPSIS

       cupstestppd [ -I category ] [ -R rootdir ] [ -W category ] [ -q ] [ -r ] [ -v[v] ] filename.ppd[.gz] [ ...  filename.ppd[.gz] ]
       cupstestppd [ -R rootdir ] [ -W category ] [ -q ] [ -r ] [ -v[v] ] -

DESCRIPTION

       cupstestppd  tests  the conformance of PPD files to the Adobe PostScript Printer Description file format specification version 4.3.  It can
       also be used to list the supported options and available fonts in a PPD file.  The results of testing and any other output are sent to  the
       standard output.

       The first form of cupstestppd tests one or more PPD files on the command-line.  The second form tests the PPD file provided on the standard
       input.

OPTIONS

       cupstestppd supports the following options:

       -I filename
	    Ignores all PCFileName warnings.

       -I filters
	    Ignores all filter errors.

       -I profiles
	    Ignores all profile errors.

       -R rootdir
	    Specifies an alternate root directory for the filter, pre-filter, and other support file checks.

       -W constraints
	    Report all UIConstraint errors as warnings.

       -W defaults
	    Except for size-related options, report all default option errors as warnings.

       -W filters
	    Report all filter errors as warnings.

       -W profiles
	    Report all profile errors as warnings.

       -W sizes
	    Report all media size errors as warnings.

       -W translations
	    Report all translation errors as warnings.

       -W all
	    Report all of the previous errors as warnings.

       -W none
	    Report all of the previous errors as errors.

       -q   Specifies that no information should be displayed.

       -r   Relaxes the PPD conformance requirements so that common whitespace, control character, and formatting problems are not treated as hard
	    errors.

       -v   Specifies that detailed conformance testing results should be displayed rather than the concise PASS/FAIL/ERROR status.

       -vv  Specifies that all information in the PPD file should be displayed in addition to the detailed conformance testing results.

       The -q, -v, and -vv options are mutually exclusive.

EXIT STATUS

       cupstestppd returns zero on success and non-zero on error.  The error codes are as follows:

       1    Bad command-line arguments or missing PPD filename.

       2    Unable to open or read PPD file.

       3    The PPD file contains format errors that cannot be skipped.

       4    The PPD file does not conform to the Adobe PPD specification.

EXAMPLES

       The following command will test all PPD files under the current directory and print the names of each file that does not conform:

	   find . -name *.ppd ! -exec cupstestppd -q '{}' ; -print

       The  next  command tests all PPD files under the current directory and print detailed conformance testing results for the files that do not
       conform:

	   find . -name *.ppd ! -exec cupstestppd -q '{}' ; 
	       -exec cupstestppd -v '{}' ;

SEE ALSO

       lpadmin(8), CUPS Online Help (http://localhost:631/help), Adobe PostScript Printer Description File Format Specification, Version 4.3.

COPYRIGHT

       Copyright (C) 2007-2017 by Apple Inc.

11 June 2014							       CUPS							    cupstestppd(1)
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