Для совсем шизанутых man pages для утюга (openwrt)

#!/bin/sh

man_urls='http://man.he.net/?section=all&topic= http://man.cx?page='
man_conf='/etc/man.conf'
man_dir='/usr/share/man/offline.man'

force=0
on line=0
man_pages=""

[ ! -f ${man_conf} ] && {
cat << EOF_CONF > ${man_conf}
man_urls='http://man.he.net/?section=all&topic= http://man.cx?page=' #Url's for search and download man pages
#man_url='http://man.cx?page='
on line=1 #1 - always don't save local file man pages,
         #0 - if exist local man pages not download from ${man_url}
force=1  #1 - always search and download man pages from site
         #0 - if exist local man pages not download from ${man_url}
man_dir='/usr/share/man/offline.man' #directory for offline man pages
EOF_CONF
echo "Firs start man..."
echo "*** Created ${man_conf}, editing: vi ${man_conf} ***"
echo "For usage enter: $0 --help"
}

[ -z "${man_conf}" ] && man_conf='/etc/man.conf'

. ${man_conf}

[ -z "${man_urls}" ] && man_urls='http://man.he.net/?section=all&topic= http://man.cx?page='
[ -z "${man_dir}" ] && man_dir='/usr/share/man/offline.man'


help() {
cat << EOF_HELP
Usage example: man wget, man --force|-f wget, man --help|h
        Options:
        --force|-f  force download man pages from ${man_url}
        --online|-n don't save man pages on local file
        --url|-u    a list of base addresses separated by a space
                    to search for manual pages,
                    examle: -u 'http://man.he.net/?section=all&topic= http://man.cx?page='
        --help|-h   this help
Files:
        /etc/man.conf
        Examle for /etc/man,conf:
                man_urls='http://man.cx?page= http://man.he.net/?section=all&topic='
                         #a list of base addresses separated by a space
                         #to search for manual pages.
                on line=1 #1 - always don't save local file man pages
                         #0 - if exist local man pages not download from ${man_url}
                force=1  #1 - always search and download man pages from site
                         #0 - if exist local man pages not download from ${man_url}
                man_dir='/usr/share/man/offline.man' #directory for offline man pages
EOF_HELP
        exit 0
}

while [ $# -gt 0 ]; do
        case "$1" in
                -f|--force)
                        force=2
                        shift
                        ;;
                -h|--help)
                        help
                        ;;
                -n|--online)
                        on line=2
                        shift
                        ;;
                -u|--url)
                        shift
                        man_urls="${1}"
                        shift
                        ;;
                *)
                        [ -z ${man_pages} ] && man_pages=$1;
                        shift
                        ;;
        esac
done

[ -z ${man_pages} ] && help
[ ! -d ${man_dir} ] && mkdir -p ${man_dir}

gzip=0
ext=""
which gzip > /dev/null 2>&1 && {
        gzip=1
        ext=".gz"
}
man_path=${man_dir}/man.${man_pages}

get_man_pages() {
        local man_url
        man_url=${1}
        [ ! -f ${man_path}${ext} -o ${force} -ne 0 -o ${online} -ne 0 ] && {
                man_url="${man_url}${man_pages}"
                [ ! -d /tmp/${man_dir} ] && mkdir -p /tmp/${man_dir}
                echo "Pleas wait. Searches and download man pages from ${man_url}..." 1>&2
                echo
                {
                        err_download=0
                        if which elinks > /dev/null 2>&1; then
                                elinks -dump "${man_url}" 2> /dev/null || err_download=1
                        else
                                { wget "${man_url}" -O- 2> /dev/null | sed -e 's/<[^>]*>//g'; } || err_download=1
                        fi
                        [ ${err_download} -eq 1 ] && {
                                echo "Not download man pages ${man_pages} from ${man_url}" 1>&2
                                return 1
                        }
                } > /tmp/${man_path}
                grep -q -i "no[\t ]\+such[\t ]\+man[\t ]\+page:[\t ]\+${man_pages}\|\
No[\t ]\+matches[\t ]\+for[\t ]\+\"${man_pages}\"\|Invalid[\t ]\+characters[\t ]\+in[\t ]\+name" \
                /tmp/${man_path} && {
                        return 2
                } || {
                        [ ${online} -ne 0 -a ${force} -lt 2 ] && {
                                less /tmp/${man_path}
                                return 3
                        }
                        { [ ${gzip} -eq 1 ] && gzip -c -9 || cat; } < /tmp/${man_path} > ${man_path}${ext}
                }
        }
        return 0
}

not_found_man=0
for url in ${man_urls}; do
        get_man_pages "${url}"
        not_found_man=$?
        case "${not_found_man}" in
                0|3)
                        break
                        ;;
                *)
                        echo "not found man page"
                        ;;
        esac
done

[ ${not_found_man} -ne 0 ] && cat /tmp/${man_path}

rm -f /tmp/${man_path}

[ ! -f ${man_path}${ext} ] && {
        echo
        echo "*** Not found man pages ${man_pages} ***"
        exit 1
}
{ [ ${gzip} -eq 1 ] && gzip -c -d || cat; } < ${man_path}${ext} | less

trap '/bin/sh $HOME/.logout' 0