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+.\" ========================================================================
+.IX Title "RPMUSAGE 1"
+.TH RPMUSAGE 1 "2012-08-01" "perl v5.14.2" "User Contributed Perl Documentation"
+.\" For nroff, turn off justification. Always turn off hyphenation; it makes
+.\" way too many mistakes in technical documents.
+.if n .ad l
+rpmusage \- display rpm packages last use
+rpmusage will display for each package, the last date it was used (in days). It can be used
+to find unused packages. It use the atime field of all package's files to do this job.
+Note : as it scan all files inodes, the run may be long ...
+.IX Header "SYNOPSIS" [options] [targets]
+.Vb 3
+\& \-help brief help message
+\& \-man full documentation
+\& \-V, \-\-version print version
+\& \-verbose verbose
+\& \-fullalgo force full algorythm
+\& \-use\-cache use cache to avoid rpm query
+\& \-clear\-cache remove cache file
+\& \-exclude pac exclude pac from results
+\& \-install\-time +/\-d apply on packages which are installed before (after) d days
+\& \-access\-time d apply on packages which are not been accessed for d days (slow)
+.Vb 10
+\& \-package pac search last access on pac package
+\& \-all apply on all packages (this is the default)
+\& \-guess\-perl apply on perl packages
+\& \-guess\-python apply on python packages
+\& \-guess\-pike apply on pike packages
+\& \-guess\-ruby apply on ruby packages
+\& \-guess\-common apply on common packages
+\& \-guess\-data apply on data packages
+\& \-guess\-doc apply on documentation packages
+\& \-guess\-dev apply on development packages
+\& \-guess\-lib apply on library packages
+\& \-guess\-all apply all \-guess\-* options (perl, python ...)
+\& \-guess\-custom regex apply the given regex to filter to package\*(Aqs names to filter the output
+it can be used without any argument, and then will apply on all packages
+.IX Header "OPTIONS"
+.IP "\fB\-help\fR" 8
+.IX Item "-help"
+Print a brief help message and exits.
+.IP "\fB\-man\fR" 8
+.IX Item "-man"
+Print the manual page and exits.
+.IP "\fB\-version\fR" 8
+.IX Item "-version"
+Print the program release and exit.
+.IP "\fB\-verbose\fR" 8
+.IX Item "-verbose"
+The program works and print debugging messages.
+.IP "\fB\-use\-cache\fR" 8
+.IX Item "-use-cache"
+the rpm query may be long (10 to 30 s). If you will run an rpmorphan tool
+several time, this option will allow to gain a lot of time :
+it save the rpm query on a file cache (first call), then
+use this cache instead quering rpm (others calls).
+.IP "\fB\-clear\-cache\fR" 8
+.IX Item "-clear-cache"
+to remove cache file. Can be used with \-use\-cache to write
+a new cache.
+.IP "\fB\-exclude\fR" 8
+.IX Item "-exclude"
+this option will specify the packages to exclude from the output.
+Can be used as '\-\-exclude pac1 \-\-exclude pac2'
+or '\-\-exclude \*(L"pac1, pac2\*(R"'
+.IP "\fB\-install\-time\fR" 8
+.IX Item "-install-time"
+install-time is a filter on the period from the package installation date to now (in days).
+if set positive, it only allow packages installed before x days.
+if set negative, it only allow packages installed since x days.
+.IP "\fB\-access\-time\fR" 8
+.IX Item "-access-time"
+access-time is designed to filter packages which have not been used since x days.
+be careful : this option will slow the program
+.IP "\fB\-fullalgo\fR" 8
+.IX Item "-fullalgo"
+for a small list of packages, rpmusage use a different quicker methode : rpm \-e \-\-test
+this option can be used to force the use of the full algo
+.IP "\fB\-package\fR" 8
+.IX Item "-package"
+search if the given package(s) is(are) orphaned.
+Can be used as '\-\-package pac1 \-\-package pac2'
+or '\-\-package \*(L"pac1, pac2\*(R"'
+.IP "\fB\-all\fR" 8
+.IX Item "-all"
+apply on all installed packages. The output should be interpreted.
+For example lilo or grub are orphaned packages, but are necessary
+to boot ...
+the \-install\-time and \-access\-time options may be useful to filter the list
+.IP "\fB\-guess\-perl\fR" 8
+.IX Item "-guess-perl"
+This option tries to find perl modules. It tries to match \*(L"^perl\*(R"
+.IP "\fB\-guess\-python\fR" 8
+.IX Item "-guess-python"
+This option tries to find python modules. It tries to match \*(L"^python\*(R"
+.IP "\fB\-guess\-pike\fR" 8
+.IX Item "-guess-pike"
+This option tries to find pike modules. It tries to match \*(L"^pike\*(R"
+.IP "\fB\-guess\-ruby\fR" 8
+.IX Item "-guess-ruby"
+This option tries to find ruby modules. It tries to match \*(L"^ruby\*(R"
+.IP "\fB\-guess\-common\fR" 8
+.IX Item "-guess-common"
+This option tries to find common packages. It tries to match \*(L"\-common$\*(R"
+.IP "\fB\-guess\-data\fR" 8
+.IX Item "-guess-data"
+This option tries to find data packages. It tries to match \*(L"\-data$\*(R"
+.IP "\fB\-guess\-doc\fR" 8
+.IX Item "-guess-doc"
+This option tries to find documentation packages. It tries to match \*(L"\-doc$\*(R"
+.IP "\fB\-guess\-data\fR" 8
+.IX Item "-guess-data"
+This option tries to find data packages. It tries to match \*(L"\-data$\*(R"
+.IP "\fB\-guess\-dev\fR" 8
+.IX Item "-guess-dev"
+This option tries to find development packages. It tries to match \*(L"\-devel$\*(R"
+.IP "\fB\-guess\-lib\fR" 8
+.IX Item "-guess-lib"
+This option tries to find library packages. It tries to match \*(L"^lib\*(R"
+.IP "\fB\-guess\-all\fR" 8
+.IX Item "-guess-all"
+This is a short to tell : Try all of the above (perl, python ...)
+.IP "\fB\-guess\-custom\fR" 8
+.IX Item "-guess-custom"
+this will allow you to specify your own filter. for exemple \*(L"^wh\*(R"
+will match whois, whatsnewfm ...
+.IX Header "USAGE"
+display all packages in access date order
+.PP | sort \-k 2 \-n
+only ask for perl packages
+.PP \-\-guess\-perl | sort \-k 2 \-n
+to read the output :
+\&\*(L"python-pexpect 97 on /usr/share/doc/python\-pexpect\*(R"
+means the package was last used 97 days ago and the more recently used file was the
+/usr/share/doc/python\-pexpect file
+.IX Header "FILES"
+/tmp/rpmorphan.cache : cache file to store rpm query. The cache
+file is common to all rpmorphan tools
+rpmusage uses only standard perl module.
+but it needs the rpm command tool.
+the software can only work with one version of each software :
+we only treat the first version seen
+the program can read rcfile if some exists.
+it will load in order
+In this file,
+# are comments,
+and parameters are stored in the following format :
+parameter = value
+example :
+all = 1
+curses = 1
+not known
+to be written
+.IX Header "NOTES"
+this program should be used as root superuser, because it needs to access
+(in read mode) to all files
+.IX Header "SEE ALSO"
+\fIrpm\fR\|(1) for rpm call
+should be allways 0
+Copyright (C) 2006 by Eric Gerbier
+This program is free software; you can redistribute it and/or modify
+it under the terms of the \s-1GNU\s0 General Public License as published by
+the Free Software Foundation; either version 2 of the License, or
+(at your option) any later version.
+.IX Header "AUTHOR"
+Eric Gerbier
+you can report any bug or suggest to