usercreationin_rhel

# Bulk user creation in RHEL
#!/bin/bash
clear
if [ $UID -ne 0 ]
then
	echo -e "This script should be run as \e[1;31m Root \e[0m only"
	exit 0
fi
file1="usernames"
pass="info@123"
for data1 in `cat $file1`
do
	tmp=$( mktemp temp.XXXXXX )
	echo -e "Temp file has been created with name $tmp to store temparory data required during this program execution and will be deleted after execution\n"
	grep $data1 /etc/passwd 1> /dev/null
	if [ $? -eq 0 ]
	then
		echo -e "User named $data1 already exists in database\n"
	else
		echo -e "Last line of /etc/password is \n"
		sed -n '$p' /etc/passwd | tee $tmp
		sleep 3
		mkdir -p /folder_path/$data1
		echo -e "\n"
		userid=$( gawk -F: '{ print $3 }' $tmp ) 2>> $tmp
		userid=$( $userid + 1 ) 2>> $tmp
		shell="/bin/csh"
		if [ -d /folder_path/$data1 ]
		then
			echo "Home Directory already exists for the user $data1"
			useradd -g staff $data1
			usermod -d /folder_path/$data1 $data1
			usermod -s /bin/csh $data1
 			usermod -u `echo $userid` $data1 2>> $tmp
			chown $data1.staff /folder_path/$data1
			chmod -R 755 /folder_path/$data1
			echo $data1"@123" | passwd --stdin "$data1" # Here the users password is "username"@123
			echo -e "User $data1's passwrod has been changed\n"
			echo  -e "User named $data1 created and below are the details of the user\n"
			sed -n '$p' /etc/passwd
			echo -e "Home directory of user $data1 is `ls -ld /folder_path/$data1` \n"
			sleep 3
			echo -e "\n"
		else
		grep $data1 /etc/passwd 1> /dev/null
	        if [ $? -eq 0 ]
		then
                	echo -e "User named $data1 already exists in database\n"
        	else
			useradd -d /folder_path/$data1 -g staff $data1
			usermod -s /bin/csh $data1
			usermod -d /folder_path/$data1 $data1
 			usermod -u `echo $userid` $data1 2>> $tmp
			chown $data1.staff /folder_path/$data1
			chmod -R 755 /folder_path/$data1
			echo $data1"@123" | passwd --stdin "$data1" #Here the users password is "username"@123
			echo -e "User $data1's passwrod has been changed\n"
			echo  -e "User named $data1 created and below are the details of the user\n"
			sed -n '$p' /etc/passwd
			echo -e "Home directory of user $data1 is `ls -ld /folder_path/$data1` \n"
			sleep 3
			echo -e "\n"
		fi
		fi
	fi
	rm -rf $tmp
done
rm -rf temp.*