Arch Linux install script (probably works)

arch_installer.sh

(
	echo n
	echo p
	echo 1
	echo
	echo +10G
	echo n
	echo p
	echo 2
	echo
	echo
	echo w
) | fdisk /dev/sda
mkfs.fat -F32 /dev/sda1
mkfs.ext4 /dev/sda2
reflector -c "US" -f 12 -l 10 -n 12 --save /etc/pacman.d/mirrorlist
mount /dev/sda2 /mnt
pacstrap /mnt base linux linux-firmware
genfstab -U /mnt >> /mnt/etc/fstab
arch-chroot /mnt
echo "en_US.UTF-8 UTF-8" >> /etc/locale.gen
locale-gen
echo "LANG=en_US.UTF-8" >> /etc/locale.conf
pacman -S --noconfirm grub
grub-install /dev/sda
grub-mkconfig -o /boot/grub/grub.cfg
printf "Enter hostname: "
read hostname
echo $hostname > /etc/hostname
printf "Enter root password: "
read passw
echo "root:$passw" | chpasswd
echo "Do you want to create a user?: "
read wants_to_create_user
if 	wants_to_create_user == "y"
then
	echo "Create user: "
	read username
	useradd -m -g users -G wheel -s /bin/bash $username
	printf "Enter user password: "
	read passw
	echo "$username:$passw" | chpasswd
	echo "user $username" >> /etc/sudoers
fi
echo "Arch Linux installed successfully! Rebooting in 5 seconds..."
sleep 5
reboot