#!/bin/sh

#creator - igorvoltaic
#original - gist.github.com/igorvoltaic/ff3eed83aa0c37a85d1802b4fa40609a#file-useradd-sh
#edit by emersunn

UserName='john bob sue sara'
for UserName in $UserName
do

if [[ `id -u` != 0 ]]; then
    echo "Must be root to run script"
    exit
fi

if [[ $UserName == `dscl . -list /Users UniqueID | awk '{print $1}' | grep -w $UserName` ]]; then
    echo "User already exists!"
    exit 0
fi
RealName=$UserName
#PrimaryGroupID (80 - admin, 20 - user)
PrimaryGroupID=80
LastID=`dscl . -list /Users UniqueID | awk '{print $2}' | sort -n | tail -1`
NextID=$((LastID + 1))

. /etc/rc.common
dscl . create /Users/$UserName
dscl . create /Users/$UserName RealName $RealName


echo " "
AccountPassword='changeYourPassword'

dscl . passwd /Users/$UserName $AccountPassword

echo " "
dscl . create /Users/$UserName UniqueID $NextID
dscl . create /Users/$UserName PrimaryGroupID $PrimaryGroupID
dscl . create /Users/$UserName UserShell /bin/bash
dscl . create /Users/$UserName NFSHomeDirectory /Users/$UserName
createhomedir -u $UserName -c

echo " "
echo "New user `dscl . -list /Users UniqueID | awk '{print $1}' | grep -w $UserName` has been created with unique ID `dscl . -list /Users UniqueID | grep -w $UserName | awk '{print $2}'`"

done

echo all done