批量刪除用戶--Shell腳本
#!/bin/bash
#
#User : Mobanche
#Date : 2017-7-17
#Work : Delete User
#
#############################################
# Define Function #
#############################################
#
function get_answer {
#
unset ANSWER
ASK_COUNT=0
#
while [ -z "$ANSWER" ]
do
ASK_COUNT=$[ $ASK_COUNT + 1 ]
#
case $ASK_COUNT in
2)
echo
echo "Please answer the question"
echo
;;
3)
echo
echo "One last try ...olease answer the question"
echo
;;
4)
echo
echo "Since you refuse to answer the question ...."
echo "exiting scripts"
echo
exit
;;
esac
#
echo
#
if [ -n "$LINE2" ]
then
echo $LINE1
echo -e $LINE2 " \c"
else
echo -e $LINE1" \c"
fi
####################################################
# Allow 60 seconds to answer before time-out #
####################################################
read -t 60 ANSWER
done
################### clean up #### #################
unset LINE1
unset LINE2
}
#
function process_answer {
#
case $ANSWER in
y|Y|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 $EXIT_LINE2
echo
exit
;;
esac
#
######################################################
# Do a little variable clean-up #
######################################################
unset EXIT_LINE1
unset EXIT_LINE2
#
}
###########################################################
# End of Function Definitions #
###########################################################
#
#
##########################################################
################### Main scripts ####################
##########################################################
#
echo "Step #1 -Determine User Account name ti Delete"
echo
LINE1="Pleaser enter the username of the user "
LINE2="Account you wash to delete from system :"
get_answer
USER_ACCOUNT=$ANSWER
#
# Double check with script user that this is the acorrect User Account
#
LINE1="Is $USER_ACCOUNT the user account "
LINE2=" You wash to delete from the system? [y/n]"
get_answer
#
#Call process_answer funtion :
#
# if user answers anything but "yes" , exit script
#
EXIT_LINE1="Becase the account, $USER_ACCOUNT, is not"
EXIT_LINE2="The one you wish to delete, we are leaving the scripts"
process_answer
#
#########################################################################
# Check that USER_ACCOUNT is really an account on the system
#
USER_ACCOUNT_RECORD=$(cat /etc/passwd | grep -w $USER_ACCOUNT)
#
if [ $? -eq 1 ]
then
echo
echo "Account, $USER_ACCOUNT. not fount."
echo "Leacing the script ....."
echo
exit
fi
#
echo
echo "T fount this record:"
echo $USER_ACCOUNT_RECORD
#
LINE1="Is this the correct User Account? [y/n]"
get_answer
#
#
#Call process_answer function :
#If user answers anything but "yes",exit script
#
EXIT_LINE1="Becauser the account,$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 User Account
#
echo
echo "Step #2 - Find process on system belonging to user account"
echo
#
ps -u $USER_ACCOUNT > /dev/null
#
case $? in
1)
# No processes running for this User Account
echo "There are no processes for this account currently running"
echo
;;
0)
# Processes running for this User Account
# Ask Script User if wants us to kill the processes
#
echo "$USER_ACCOUNT has the following processes running :"
echo
ps -u $USER_ACCOUNT
#
LINE1="Would you like me to kill the peocess(es)? [y/n]"
get_answer
#
case $ANSWER in
y|Y|YES|yes|Yes|yEs|yeS|YEs|yES )
echo
echo "Killing off process(es)"
#
# List user process running code in variable,COMMAND_1
COMMAND_1="ps -u $USER_ACCOUNT --no-heading"
#
#Create command to kill process in variable,COMMAND_3
COMMAND_3="xargs -d \\n /usr/bin/sudo /bin/kill -9"
#
#Kill processes via piping commands together
$COMMAND_1 |gawk '{print $1}' | $COMMAND_3
#
echo
echo "Will not kill the process(es)"
echo
;;
*)
#If user answers any
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"
#
find / -user $USER_ACCOUNT > $REPORT_FILE 2> /dev/null
#
echo
echo "Report is complete."
echo "Name of report : $REPORT_FILE"
echo "Location of report : $(pwd)"
echo
#
###############################################################
# #
############# Remove User Account ###############
# #
###############################################################
echo
echo "Step #4 -Remove user account"
echo
#
LINE1="Remove $USER_ACCOUNT's account from system? [y/n]"
get_answer
#
#Call process_answer function :
# if user answers anything but "yes" ,exit script
#
EXIT_LINE1="Since youd i not wish to remove the user account"
EXIT_LINE2="$USER_ACCOUNT at this time,exiting the script ..."
process_answer
#
#
userdel $USER_ACCOUNT | rm -rf /home/$USER_ACCOUNT
echo
echo "User account , $USER_ACCOUNT, has been removed"
echo
#
exit
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