shell script to create user accounts

 shell script to create user accounts · GitHub

#!/bin/bash
	ROOT_UID=0
	SUCCESS=0
	E_USEREXISTS=70
	# Run as root, of course. (this might not be necessary, because we have to run the script somehow with root anyway)
	if [ "$UID" -ne "$ROOT_UID" ]
	then
	echo "Must be root to run this script."
	exit $E_NOTROOT
	fi
	#test, if both argument are there
	if [ $# -eq 2 ]; then
	username=$1
	pass=$2
	# Check if user already exists.
	grep -q "$username" /etc/passwd
	if [ $? -eq $SUCCESS ]
	then
	echo "User $username does already exist."
	echo "please chose another username."
	exit $E_USEREXISTS
	fi
	useradd -p `mkpasswd "$pass"` -d /home/"$username" -m -g users -s /bin/bash "$username"
	echo "the account is setup"
	else
	echo " this programm needs 2 arguments you have given $# "
	echo " you have to call the script $0 username and the pass "
	fi
	exit 0