#! /bin/sh

# tbdf (total bdf 'cause it shows the total K bytes used)
#
# written by Tom Bukowski 1990,1991
#  tbdf version 2.2   Jan 4, 1993
# @(#)  tbdf version 3.0   Aug 19, 1996

egrepCmd=''

if [ $# -eq 0 ];then
        command=`mount|cut -d' ' -f1-4|grep -v ':'| cut -d' ' -f1`

elif [ $1 = 'help' -o $1 = 'HELP' ];then

        echo "Usage: $0 [-r][-rv] [pattern]"
        echo '\n  options:'
        echo '    -r  <pattern> total all filesystems beginning with
pattern'
        echo '    -rv <pattern> total all filesystems excluding pattern\n'

        exit

elif [ $1 != "-r" -a $1 != "-rv" ];then
        command=$*

elif [ $1 = "-r" -o $1 = "-rv" ];then

        test $1 = '-rv' && opt='-v'
        shift
        egrepCmd=$1
        if [ $# -gt 1 ];then
                while [ $# -gt 0 ]
                do
                        egrepCmd="$egrepCmd|^$1"
                        shift
                done
        fi

        command=`mount |\
        awk '{printf"%s %s %s\n",$1,$2,$3 }' |\
        grep -v : |\
        cut -d' ' -f1 |\
        egrep $opt $egrepCmd |\
        awk '{ print $NF }'`
        test -z "$command" && exit

fi

if [ -x /usr/bin/nawk ];then
 AWK=/usr/bin/nawk
else
 AWK=awk
fi

bdf $command |\
$AWK '
{
        print
        if ( NR > 1 )
           if ( NF == 6) {
                Kbytes_total += $2
                Used_total += $3
                Avail_total += $4
           } else
            if ( NF == 5 ) {
                Kbytes_total += $1
                Used_total += $2
                Avail_total += $3
            }

}
        END { printf"%43s\n","------  ------  ------"
              printf"%27d %7d %7d\n",Kbytes_total,Used_total,Avail_total
            }'