mkpasswd_pwgen.sh

#!/bin/sh

function USAGE {
    cat <<EOL
Script for create password.
 Usage
 $0 [count]

EOL
exit 0
}

function PWGEN {
    while :
        do
        MAKEDPASSWD=$(/usr/bin/pwgen -An ${DIGITS} 1)
        PASSWD=$(echo ${MAKEDPASSWD} | grep [${MATCH_LIST}])
        test -z ${PASSWD} && test $( echo ${MAKEDPASSWD} |awk '{ count += gsub(/[0-9]/, ""); print count}') -eq 2 && break
    done
    echo ${MAKEDPASSWD}
}

DIGITS=12
COUNT=${1:-1}
MATCH_LIST='190gijloqvu'

test ${COUNT} = --help && USAGE
expr ${COUNT} + 1 >/dev/null 2>&1
RESULT=$?
test ${RESULT} -ne 0  && echo "${COUNT} is not numeric." && USAGE

while [[ $i -lt ${COUNT} ]]
do
    PWGEN
    i=$((i+1))
done