三、bash脚本参数的设定

bash脚本参数的设定

选择参数 add|del 添加删除user1-user10

#! /bin/bash

if [ $# -lt 1 ];then

echo "Usage: adminusers ARG"

exit 5

fi

if [ $1 == ‘--add‘ ];then

for I in {1..10};do

if id user$I &>/dev/null;then

echo "user$I exists."

else

useradd -r user$I

echo user$I |passwd --stdin user$I &> /dev/null

echo "ADD uesr$I finished."

fi

done

elif [ $1 == ‘--del‘ ];then

for I in {1..10};do

if ! id user$I &>/dev/null;then

echo "no user$I."

else

userdel user$I

echo "del user$I finished."

fi

done

else

echo "Unknown ARG"

exit 6

fi