part2.sh

ln -sf /usr/share/zoneinfo/$(tzselect) /etc/localtime
hwclock --systohc

nano /etc/locale.gen && locale-gen
read -p "Default LANG is? [en_US,zh_CN...]" loc
echo "LANG=$loc.UTF-8" >> /etc/locale.conf

read -p "Hostname is?" hn
echo $hc > /etc/hostname
echo "127.0.1.1\t$hc.localdomain\t$hc" > /etc/hosts

#root pw
passwd

#network
#if wired
systemctl enable dhcpcd
#if wifi
# pacman -S networkmanager #this is for those who use gui
# pacman -S iw wpa_supplicant dialog && wifi-menu #cli use
#if pppoe -> write it yourself:)

#bootloader
#I think fine adjustment is necessacry for finding installation drive
IFS=" " read -ra TEST <<< $(lsblk|grep /boot)
part=$(${TEST[0]} | cut -c 7-9)
read -p "Are you using legacy or UEFI BIOS? [l,e]" bios
if [ $bios!='l' ] || [ $bios!='e' ]; then
    exit -1
elif [ $bios=='l']; then
    pacman -S grub os-prober
    grub-install /dev/$part
else
    pacman -S dosfstools grub efibootmgr
    grub-install --target=x86_64-efi --efi-directory=/boot --bootloader-id=grub
fi
grub-mkconfig -o /boot/grub/grub.cfg

exit

line 28 should be [ $bios!='l' ] && [ $bios!='e' ]