#!/bin/sh

CMT="PRNGD Pseudo Account" 

chkprng() {
    echo "ADD=1" > /tmp/chk$$
    awk ' BEGIN { FS=":" } { print $1 } ' $1 | while read f
    do
        [ "$f" = "prngd" ] && echo "ADD=" > /tmp/chk$$
    done
}

addgrpprng() {
    groupadd prngd
}

addusrprng() {
    useradd -g prngd -d /usr/local/etc/prngd -s /bin/sh -c "$CMT" prngd
    passwd prngd
}

chkprng /etc/group
. /tmp/chk$$
[ "$ADD" ] && addgrpprng
chkprng /etc/passwd
. /tmp/chk$$
[ "$ADD" ] && {
    addusrprng
}
rm -f /tmp/chk$$