Batch add and delete user scripts

#! /Bin/bash # This script is used to add or delete users in batches. The initial password is 123456. you need to change the password for the first login # Format :. /class_stu.sh parameter 1 parameter 2 parameter 3 # parameter 1: Start user name, which is a pure number and must be greater than 6 # Parameter 2: Number of users added [0 -...

#! /Bin/bash
#
# This script is used to add or delete users in batches. the initial user password is 123456. you need to change the password for the first login.
# Format:./class_stu.sh parameter 1 parameter 2 parameter 3
# Parameter 1: Start user name, which is a pure number and must be greater than 6 characters long
# Parameter 2: Number of users added [0-999]
# Parameter 3: Operation: 1-add, 2-delete
# Example:./class_stu.sh 2009034201 30 1 indicates adding 30 accounts starting from 2009034201
#./Class_stu.sh 2009034201 30 2 indicates deleting 30 accounts starting from 2009034201
# Class_stu.sh
#2011-8-21 LOPN
Export PATH =/bin:/sbin:/usr/bin:/usr/sbin
Function error ()
{
Echo "***** ERROR: the format is:./class_stu.sh par1 par2 par3"
Echo "***** EXAMPLE: class_stu.sh 2009034201 30 1"
Echo "***** NOTICE: par1 must is number and the length must rather 6"
Echo "***** NOTICE: par2 meanings the number of you want add [0-999]"
Echo "***** NOTICE: par3 respect your choice-add or del :"
Echo "***** 1: add memeber ***********"
Echo "***** 2: del memeber ***********"
Echo "***************** Other number is illegal **************** ****"
 
}
If [$ #! = 3]
Then
Error
Exit 1
Fi
Reciveinit1 = 'echo $1 | grep-e "^ [0-9] \ {6, \} $ "'
Reciveinit2 = 'echo $2 | grep-e "^ [0-9] \ {1, 3 \} $ "'
Operater = 'echo $3 | grep-e "^ [0-9] $ "'
If ["$1 "! = "$ Reciveinit1"] | ["$2 "! = "$ Reciveinit2"] | ["$3 "! = $3]
Then
Error
Exit 1
Fi

Initaccount = $1
Curaccount = $ initaccount
I = 0
Case $3 in
1)
Echo "*************************** add user ********* ***********************"
Echo-n "Are you ensure to add? [Y | Y/n | N]"
Read yes
If ["$ yes" = "y"-o "$ yes" = "Y"]
Then
While ["$ I "! = "$2"]
Do
Echo "*********** add user $ curaccount **********"
Ifexist = 'cat/etc/passwd | awk-F: "{print \ $1}" | grep $ curaccount'
If ["$ ifexist" = "$ curaccount"]
Then
Echo "************ the user $ curaccount already exists! *********"
Echo "******************* NEXT ***************** ****"
Else
Useradd $ curaccount
Echo "123456" | passwd -- stdin $ curaccount
Chage-d 0 $ curaccount
Echo "******* the user $ curaccount has been add! OK ***********"
Fi
I = $ ($ I + 1 ))
Curaccount = $ ($ curaccount + 1 ))
Done
Fi
;;
2)
Echo "************************** del user ********* ***********************"
Echo-n "Are you ensure to del user? [Y | Y/n | N]"
Read yes
If ["$ yes" = "y"-o "$ yes" = "Y"]
Then
While ["$ I "! = "$2"]
Do
Echo "******************** del user $ curaccount ************* ********"
Ifexist = 'cat/etc/passwd | awk-F: "{print \ $1}" | grep $ curaccount'
If ["$ ifexist" = "$ curaccount"]
Then
Userdel-r $ curaccount
Echo "****** the user $ curaccount has been deleted! OK ********"
Else
Echo "************* The USER $ curaccount does not exists! ***********"
Echo "*********************** NEXT! *******************************"
Fi
I = $ ($ I + 1 ))
Curaccount = $ ($ curaccount + 1 ))
Done
Fi
;;
*)
Echo "***************************** NOTICE ******* **********************"
Echo "please see the notice clear"
Error
;;
Esac
Echo "********************** the operator has been finished! ************************"
 
This article is from the lopnxrp blog