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Purge files, keep 3 versions of last 4 days

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Top Forums Shell Programming and Scripting Purge files, keep 3 versions of last 4 days
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Old 10-28-2002
The above logic makes (rather unreasonable) assumption that the time stamps are exactly 7:30pm and 8pm for the 1st and 3rd files, which may not be possible practically... though, you can overcome this by increaing the time range by few minute on either ends...

Yes the best way would be (as Perderabo suggests) to create the "latest" 3 files in a separate directory, instead of cluttering them with unwanted files.. it would amount to a simple logic using date command...
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LEARN ABOUT DEBIAN

dwww-refresh-cache

DWWW-REFRESH-CACHE(8)						      Debian						     DWWW-REFRESH-CACHE(8)

NAME

       dwww-refresh-cache - rebuilds dwww cache directory

SYNOPSIS

       dwww-refresh-cache

DESCRIPTION

       dwww-refresh-cache  is  a  simple  shell  script,  which  deletes  outdated  cache  files and rebuilds contents of the dwww cache directory
       /var/cache/dwww.  In default installation, the script is called from /etc/cron.daily/dwww, so the cache is refreshed every day.

CONFIGURATION VARIABLES

       DWWW_KEEPDAYS
	      Specifies, how many days documents that have not been accessed should be kept in the cache.  Default is 10 days.

       DWWW_QUICKFIND_DB
	      Location	of  the  installed  packages  and  programs  cache  file,  generated  with  help   of	dwww-quickfind(8).    Default	is
	      /var/cache/dwww/quickfind.dat.

       DWWW_DOCBASE2PKG_DB
	      Location	of  the  cache	file,  which  maps installed doc-base files to packages names, used by the dwww-build-menu(8).	Default is
	      /var/cache/dwww/docbase2pkg.dat.

FILES

       /etc/dwww/dwww.conf
	      Configuration file for dwww(7).

       /var/cache/dwww
	      dwww cache directory.

       /etc/cron.daily/dwww.
	      dwww daily cron job

SEE ALSO

       dwww(7), dwww-build-menu(8), dwww-cache(8), dwww-find(8).

AUTHOR

       Robert Luberda.
       See dwww(7), for copyrights and stuff.

dwww 1.11.1							February 15th, 2009					     DWWW-REFRESH-CACHE(8)