manage account

 #!/bin/bash
 #
 #Delete_user - Automates the  steps to remove an account
 #
 ###############################################################
 #Define Functions
 #
 ###############################################################
 function get_answer {
 #
 unset ANSWER
 ASK_COUNT=
 #
 while [ -z "$ANSWER" ]    #While no answer is given,keeping asking......
 do
 ASK_COUNT=$[ $ASK_COUNT +  ]
 #
 case $ASK_COUNT in #If user gives no answer in time allotted
 )
 echo
 echo "Please answer the question."
 echo
 ;;
 )
 echo
 echo "One last try...please answer the question."
 echo
 ;;
 )
 echo
 echo "Since you refuse to answer the question..."
 echo "exiting program."
 #
 exit
 ;;
 esac
 #
 echo
 #
 if [ -n "$LINE2" ]
  lines
 echo "$LINE1"
 echo -e $LINE2"\c"    # "-e" Deal with paticualar character,'\c' is oppsite with '\n'.
  line
 echo -e $LINE1"\c"
 fi
 #
 #    Allow  seconds to answer before time-out
 read -t  ANSWER
 done
 #Do a little variable clean-up
 unset LINE1
 unset LINE2
 #
 }    #End of get_answer function.
 #
 ##########################################################################
 function process_answer {
 #
 unset ANSWER
 echo "process_answer[y/n]?"
 read -t  ANSWER
 case $ANSWER in
 y|Y|YES|yes|yEs|yeS|YEs|yES|Yes|YeS)
 #If user answer "yes" ,do nothing.
 ;;
 *)
 #If user answers anything but "yes",exit script
 echo
 echo $EXIT_LINE1
 echo $EXIT_LINE2
 echo
 exit
 ;;
 esac
 #
 #Do a little variable clean-up
 #
 unset EXIT_LINE1
 unset EXIT_LINE2
 #
 }    ##End of process_answer function
 #
 #
 #########################################################################
 #End of Function Definitions    #
 #    #
 #########################################################################
 #    #
 #    #
 ############# Mani Scripts ##############################################
 #    #
 #    #
 #    #
 #########################################################################
 #
 ##Get name of User Accout to check
 #
 echo "Step #1 - Determine User Accout name to Delete "
 echo
 LINE1="Please enter the username of the user"
 LINE2="account you wish to delete from system"
 get_answer
 USER_ACCOUNT=$ANSWER
 #
 #Call process_answer function
 #    if user answers anything but "yes" ,exit script
 #
 EXIT_LINE1="Because the account,$USER_ACCOUNT is not"
 EXIT_LINE2="the one you wish to delete,we are leaving the script..."
 process_answer
 #
 ############################################################################
 #Check that USER_ACCOUNT is really an account on the system
 #
 USER_ACCOUNT_RECORD=$(cat /etc/passwd | grep -w $USER_ACCOUNT)
 #
  ] #If the account is not found,exit script.
 then
 echo
 echo "Account ,$USER_ACOUNT,not found."
 echo "leaving the script..."
 echo
 exit
 fi
 #
 echo
 echo "I found this record:"
 echo $USER_ACCOUNT_RECORD
 echo
 #
 LINE1="Is this the correct User Account?[y/n]"
 get_answer
 #
 #
 #Call process_answer function:
 #    if user answer anything but "yes" .exit script
 #
 EXIT_LINE1="Because the account ,$USER_ACCOUNT,is not"
 EXIT_LINE2="the one you wish to delete .we are leaving the script..."
 process_answer
 #
 ##############################################################################
 #Search for any running processes that belong to the use account
 #
 echo
 echo "Step #2 - Find process on system belonging to user Account"
 echo
 echo "$USER_ACCOUNT has the following processes running:"
 echo
 #
 ps -u $USER_ACCOUNT #List user processes running
 case $? in
 )    #No processes running for this user account
 #
 echo "There are no processes for this account currently running."
 echo
 ;;
 )    #processes running for this User Account.
 #Ask Script User if wants us to kill the processes.
 #
 unset ANSWER
 LINE1="Would you like me to kill the processes(es)?[y/n]"
 get_answer
 #
 case $ANSWER in
 y|Y|yes|Yes|yEs|yeS|YEs|YeS|yES|YES)    #if user answer 'yes'.
 #
 echo
 #
 #Clean-up temp file upon signals
 trap "rm $USER_ACCOUNT_Running_Process.rpt" SIGTERM SIGINT SIGQUIT
 #
 #List user processes running
 ps -u $USER_ACCOUNT_Running_Process.rpt
 #
 exec < $USER_ACCOUNT_Runnning_Process.rpt    #make report Std Input
 #
 read USER_PROCESS_REC    #First record will be blank
 read USER_PROCESS_REC
 #
  ]
 do
 #obtain PID
 USER_PID=$(echo $USER_PROCESS_REC | cut -d " " -f1)    # output a line of characters,'cut -d "," -f2' will select second
 # part which splited by ",".Is same to" gawk '{print $2}' ".
  $USER_PID
 echo "Killed process $USER_PID"
 read USER_PROCESS_REC
 done
 #
 echo
 rm $USER_ACCOUNT_Running_Process.rpt # Remove temp report
 ;;
 *)    #If user answers anything but "yes",do not kill
 echo
 echo "Will not kill the process(es)."
 echo
 ;;
 esac
 ;;
 esac
 #########################################################################################
 # Create a report of all files owned by User Account
 #
 echo
 echo "step #3 - Find files on system belonging to user account"
 echo
 echo "Creating a report of all files owned by $USER_ACCOUNT."
 echo
 echo "It is recommended that you backup/archive these files."
 echo "and then do one of two things:"
 echo " 1) Delete the files"
 echo " 2) Change the files' ownership to a current user account."
 echo
 echo "Please wait .This may take a while..."
 #
 REPORT_DATE=`date +%y%m%d`
 REPORT_FILE=$USER_ACCOUNT"_Files_"$REPORT_DATE".rpt"
 #
 #
 >/dev/null    # How to use "find"
 #    #There don't deal with $USER's file.
 echo
 echo "Report is conplete"
 echo "Namp of report:    $REPORT_FILE"
 echo "Location of report:    `pwd`"
 echo
 ############################################################################################
 # Remove User Account
 echo
 echo "Step #4 - Romove user account"
 echo
 LINE1="Do you wish to remove $User_Account's account from system?[y/n]"
 get_answer
 #
 # Call process_answer function:
 #    if user answer anything but "yes" ,exit script
 #
 EXIT_LINE1="Since you do not wish to remove the user account."
 EXIT_LINE2="$USER_ACCOUNT at this time ,exiting the script..."
 process_answer
 #
 userdel $USER_ACCOUNT    #delete user account
 echo
 echo "User account $USER_ACCOUNT has been removed"
 echo
 #
 #
 #END