Delete all but 3 newest files Post: 303021462

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Delete all files if another files in the same directory has a matching occurrence of a specific word

he following are the files available in my directory RSK_123_20141113_031500.txt RSK_123_20141113_081500.txt RSK_126_20141113_041500.txt RSK_126_20141113_081800.txt RSK_128_20141113_091600.txt Here, "RSK" is file prefix and 123 is a code name and rest is just timestamp of the file when its...

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I use this to make it easier to see when a backup script ran. touch /media/andy/MAXTOR_SDB1/Ubuntu_Mate_18.04/$( date '+%m-%d-%Y_%I:%M-%p' ) I would like a script that would delete all but the newest file ONLY of this type 08-20-2018_01:24-PM

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Remove all but newest two files (Not a duplicate post)

TARGET_DIR='/media/andy/MAXTOR_SDB1/Ubuntu_Mate_18.04/' REGEX='{4}-{2}-{2}_{2}:{2}' # regular expression that match to: date '+%Y-%m-%d_%H:%M' LATEST_FILE="$(ls "$TARGET_DIR" | egrep "^${REGEX}$" | tail -1)" find "$TARGET_DIR" ! -name "$LATEST_FILE" -type f -regextype egrep -regex...

LEARN ABOUT MOJAVE

zipdetails

ZIPDETAILS(1)						 Perl Programmers Reference Guide					     ZIPDETAILS(1)

NAME

       zipdetails - display the internal structure of zip files

SYNOPSIS

	   zipdetaile [-v] zipfile.zip
	       zipdetails -h

DESCRIPTION

       Zipdetails displays information about the internal record structure of the zip file. It is not concerned with displaying any details of the
       compressed data stored in the zip file.

       The program assumes prior understanding of the internal structure of a Zip file. You should have a copy of the Zip APPNOTE file at hand to
       help understand the output from this program ("SEE ALSO" for details).

   OPTIONS
       -v   Enable Verbose mode

       -h   Display help

       By default zipdetails will output the details of the zip file in three columns.

       Column 1
	    This contains the offset from the start of the file in hex.

       Column 2
	    This contains a textual description of the field.

       Column 3
	    If the field contains a numeric value it will be displayed in hex. Zip stored most numbers in little-endian format - the value
	    displayed will have the little-endian encoding removed.

	    Next, is an optional description of what the value means.

       If the "-v" option is present, column 1 is expanded to include

       o    The offset from the start of the file in hex.

       o    The length of the filed in hex.

       o    A hex dump of the bytes in field in the order they are stored in the zip file.

TODO

       Error handling is still a work in progress.  If the program encounters a problem reading a zip file it is likely to terminate with an
       unhelpful error message.

SEE ALSO

       The primary reference for Zip files is the "appnote" document available at <http://www.pkware.com/documents/casestudies/APPNOTE.TXT>.

       An alternative is the Info-Zip appnote. This is available from <ftp://ftp.info-zip.org/pub/infozip/doc/>

       The "zipinfo" program that comes with the info-zip distribution (<http://www.info-zip.org/>) can also display details of the structure of a
       zip file.

       See also IO::Compress::Zip, IO::Uncompress::Unzip.

AUTHOR

       Paul Marquess pmqs@cpan.org.

COPYRIGHT

       Copyright (c) 2011-2012 Paul Marquess. All rights reserved.

       This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself.

perl v5.18.2							    2018-08-17							     ZIPDETAILS(1)