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Shell脚本编写登陆小程序.sh 

 1 #!/bin/bash
 2 #Author:GaoHongYu
 3 #QQ:1061767621
 4 #Time:2019-12-19 02:47:09
 5 #Name:login.sh
 6 #Version:V1.0
 7 
 8 FILE_PATH=/root/user_list                                                                          
 9 
10 read -p "Please enter user name:" user
11 grep -w $user $FILE_PATH &> /dev/null
12 if  [ $? -eq 0 ];then
13      echo -n "Please enter passwd:"
14      read -s passwd
15      password=$(grep -A 1 $user $FILE_PATH|tail -1)
16      if [ $passwd == $password ];then
17              echo
18              echo "Land successfull"
19      else
20              echo
21              echo "Wrong password"
22          fi
23  else
24      echo "${user} user not exist "
25      read -p "Whether to create users,To create a user enter y,To exit press q:" choose
26      if [ $choose == 'y' ];then
27           read -p "Please enter user name:" new_user
28           grep -w $new_user $FILE_PATH &> /dev/null
29           if [ $? -eq 0 ];then
30              echo "$new_user already existed"
31      else
32          echo "$new_user" >> $FILE_PATH
33          read -p "Please $new_user enter passwd:" new_passwd
34          echo "$new_passwd" >> $FILE_PATH
35          echo "User $new_user creating successful"
36          fi
37      elif [ choose == 'q' ];then
38          echo "exit program"
39          exit
40      fi
41  fi

测试：

posted @ 2019-12-20 13:15  高宏宇  阅读(426)  评论(1)  编辑  收藏  举报