交互式批量創建user

#!/bin/bash

echo "how much users do you want to create:"

read num

i=0

while true

do

let i=i+1

echo "user"$i":passwd"$i >/root/user.txt

echo "create user$i....................."

useradd user$i

if [ $i -eq $num ]

then

chpasswd </root/user.txt

rm -f /root/user.txt

echo "completed!  bye!"

exit

fi

done

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