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Filename : mkroot
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#! /bin/sh
#
# MKROOT, Makes all the usual ./bin, ./sbin, ./etc, ./lib, ./include,
#         ./info and BSD-style ./man/* directories
# Copyright (C) 2000-2017 R.K. Owen
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

##########################################################################

PERMS=755
usage() {
	cat <<EOF

$0
	makes all the usual ./bin, ./sbin, ./etc, ./lib, ./include, ./info
	and BSD-style ./man/\* directories
	if the first option is "-c" it will clean out any empty directories
	of same.
	It also sets the permissions to $PERMS on the directories
	unless overridden by the -p option.
usage:	$0 [-p|--perms XXX] [-m|--make] [-c|--clean]
	-p XXX	permissions for directories in chmod suitable format
	-m	make directories in the current directory
	-c	clean out empty directories

	Note common man directory conventions
	'1' - user commands 
        '3' - library functions 
        '5' - file formats and conventions 
        '7' - macro packages and conventions 
        '8' - administrative commands 
        'l' - local commands

	by R.K.Owen,Ph.D.
	version 'Revision: 1.1.1.1.28.1 $	Date: 2010/11/11 18:23:18 $'

EOF
}

if [ $# -eq 0 ]
then
	usage
	exit 1
fi

while [ $# -gt 0 ]
do
	case $1 in
	-p|-perms|--p|--perms)
		shift
		PERMS=$1
		shift
		continue
		;;
	-c|-clean|--c|--clean)
		if [ ! -s ./man/whatis ]; then 
			rm ./man/whatis
		else
			echo ./man/whatis is not empty
		fi
		for m in 1 2 3 4 5 6 7 8 n p l
		do
			if [ -d ./man/man$m ]; then if [ `ls ./man/man$m|wc -l` -eq 0 ]; then
				rmdir ./man/man$m
				if [ -d ./man/cat$m ]; then if [ `ls ./man/cat$m|wc -l` -eq 0 ]; then
					rmdir ./man/cat$m
				else
					echo ./man/cat$m is not empty
				fi;fi
			else
				echo ./man/man$m is not empty
			fi;fi
		done
		for d in bin sbin etc lib include info man
		do
			if [ -d ./$d ]; then if [ `ls ./$d|wc -l` -eq 0 ]; then
				rmdir ./$d
			else
				echo ./$d is not empty
			fi;fi
		done
		exit
		;;
	-m|-make|--m|--make)
		for d in bin sbin etc lib include info man
		do
			mkdir ./$d ; chmod $PERMS ./$d
		done
		touch ./man/whatis ; chmod $PERMS ./man/whatis
		for m in 1 2 3 4 5 6 7 8 n p l
		do
			mkdir ./man/man$m ; chmod $PERMS ./man/man$m
			mkdir ./man/cat$m ; chmod $PERMS ./man/cat$m
		done
		exit
		;;
	*)
		usage
		exit 2
		;;
	esac
done

exit