man/cron.daily.do_mandb

#!/bin/bash
#
#
# do_mandb. This script was split off cron.daily.
# Please add your local changes to cron.daily.local
# since this file will be overwritten, when updating your system.
#
# Copyright (c) 1996-2002 SuSE GmbH Nuernberg, Germany.   
# Copyright (c) 2008 SuSE LINUX Products GmbH Nuernberg, Germany.   
#
# please send bugfixes or comments to feedback@suse.de.
#
# Author: Werner Fink <feedback@suse.de>, 2008, 2019
#         Burchard Steinbild <feedback@suse.de>, 1996
#         Florian La Roche <feedback@suse.de>, 1996
#

#
# paranoia settings
#
umask 022

PATH=/sbin:/bin:/usr/sbin:/usr/bin
export PATH

#
# get information from /etc/sysconfig/cron
#
if test -f /etc/sysconfig/cron ; then
    . /etc/sysconfig/cron
fi


#
# now we do the man page stuff
#
if test "$REINIT_MANDB" = yes ; then
    if type -p mandb > /dev/null 2>&1 ; then
	typeset -r manpaths=$(manpath -g)
	typeset -i errors=0
	renice   +5 -p $$ > /dev/null || true
	ionice -c 3 -p $$ > /dev/null || true
	unset MANPATH
	IFS=:
	for mp in $manpaths; do
	    test -d "${mp}" || continue
	    cp=$(MANPATH=$mp manpath -qc)
	    test -n "${cp}" || continue
	    test -d "${cp}" || continue
	    db=${cp}/index.db
	    if test -e ${db} ; then
		path="$(find $mp -follow -newer $db 2>/dev/null)"
		test -n "$path" || continue
	    fi
	    nice -n 5 ionice -c 3 mandb -qs ${mp} > /dev/null 2>&1 || let errors++
	done
	if test $errors -ne 0 ; then
	    echo There seem to be trouble with mandb.
	    echo
	    echo please run mandb and check the output...
	fi
    fi
    #
    # some applications need whatis database. If makewhatis exists, call it
    #
    if type -p makewhatis > /dev/null 2>&1 ; then
	makewhatis
    fi
fi

exit 0