With numbered IDs...

One-liner:

#!/bin/bash
ls -ldn /home/* | while read a; do uid="$(echo $a | awk '{print $3}')"; gid="$(echo $a | awk '{print $4}')"; user="$(basename "$(echo $a | awk '{print $8}')")"; password=$(< /dev/urandom tr -dc A-Za-z0-9_ | head -c12); echo useradd -g $gid -u $uid -d /home/$user -p $password $user; FILE=users.txt; if [ -f $FILE ]; then echo $user:$password >> users.txt; else echo touch users.txt; fi; done


Script:

#!/bin/bash
ls -ldn /home/* | while read a
        do
                uid="$(echo $a | awk '{print $3}')"
                gid="$(echo $a | awk '{print $4}')"
                user="$(basename "$(echo $a | awk '{print $8}')")"
                password=$(< /dev/urandom tr -dc A-Za-z0-9_ | head -c12)
                echo useradd -g $gid -u $uid -d /home/$user -p $password $user
                FILE=users.txt
                if [ -f $FILE ];
                then
                echo $user:$password >> users.txt
                else
                echo touch users.txt
                fi
        done


With named IDs...

One-liner:

ls -ldn /home/* | while read a; do uid="$(echo $a | awk '{print $3}')"; gid="$(echo $a | awk '{print $4}')"; user="$(basename "$(echo $a | awk '{print $8}')")"; password=$(< /dev/urandom tr -dc A-Za-z0-9_ | head -c12); echo useradd -G $gid -U $uid -d /home/$user -p $password $user; FILE=users.txt; if [ -f $FILE ]; then echo $user:$password >> users.txt; else echo touch users.txt; fi; done


Script:

#!/bin/bash
ls -ld /home/* | while read a
        do
                uid="$(echo $a | awk '{print $3}')"
                gid="$(echo $a | awk '{print $4}')"
                user="$(basename "$(echo $a | awk '{print $8}')")"
                password=$(< /dev/urandom tr -dc A-Za-z0-9_ | head -c12)
                echo useradd -G $gid -U $uid -d /home/$user -p $password $user
                FILE=users.txt
                if [ -f $FILE ];
                then
                echo $user:$password >> users.txt
                else
                echo touch users.txt
                fi
        done