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Full Discussion: Remove all but newest two files (Not a duplicate post)
Top Forums Shell Programming and Scripting Remove all but newest two files (Not a duplicate post) Post 303022065 by drew77 on Thursday 23rd of August 2018 10:54:38 AM
Old 08-23-2018
Remove all but newest two files (Not a duplicate post)
Code:
TARGET_DIR='/media/andy/MAXTOR_SDB1/Ubuntu_Mate_18.04/'
REGEX='[0-9]{4}-[0-9]{2}-[0-9]{2}_[0-9]{2}:[0-9]{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 ".*/${REGEX}$" -exec rm -f {} +
# not working find "$TARGET_DIR" ! -name "$LATEST_FILE" -type f -regextype egrep -regex ".*/${REGEX}$" -print -f {} +

The REGEX and find statement is complicated and I do not understand much of what is going on behind the scenes.

I would like to modify it so it deletes these type of files from the next dir.

Ubuntu_Scripts_2018-08-22-20-00.zip

/media/andy/MAXTOR_SDB1/Ubuntu_Mate_18.04/Script_Backups/
 

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LEARN ABOUT DEBIAN

bb-findhost.cgi

BB-FINDHOST.CGI(1)					      General Commands Manual						BB-FINDHOST.CGI(1)

NAME

       bb-findhost.cgi - Xymon CGI script to find hosts

SYNOPSIS

       bb-findhost.cgi?host=REGEX

DESCRIPTION

       bb-findhost.cgi is invoked as a CGI script via the bb-findhost.sh CGI wrapper.

       bb-findhost.cgi is passed a QUERY_STRING environment variable with the "host=REGEX" parameter. The REGEX is a Posix regular expression (see
       regex(7) ) describing the hostnames to look for.  A trailing wildcard is assumed on all hostnames - e.g. requesting the hostname "www" will
       match any host whose name begins with "www".

       It then produces a single web page, listing all of the hosts that matched any of the hostnames, with links to the Xymon webpages where they
       are located.

       The output page lists hosts in the order they appear in the bb-hosts(5) file.

       A sample web page implementing the search facility is included with bbgen, you access it via the URL /bb/help/bb-findhost.html.

OPTIONS

       --env=FILENAME
	      Loads the environment from FILENAME before executing the CGI.

FILES

       $BBHOME/web/findhost_header
	      HTML header file for the generated web page

       $BBHOME/web/findhost_footer
	      HTML footer file for the generated web page

       $BBHOME/web/findhost_form
	      Query form displayed when bb-findhost.cgi is called with no parameters.

ENVIRONMENT VARIABLES

       BBHOSTS
	      bb-findhost.cgi uses the BBHOSTS environment variable to find the bb-hosts file listing all known hosts and their page locations.

       BBHOME Used to locate the template files for the generated web pages.

SEE ALSO

       bbgen(1), bb-hosts(5), hobbitserver.cfg(5)

Xymon							    Version 4.2.3:  4 Feb 2009						BB-FINDHOST.CGI(1)
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