Simple Arch Linux fetch script.

fetch

#!/bin/dash
bold=$(tput bold)
normal=$(tput sgr0)

#thanks pfetch guy
while IFS=':k ' read -r key val _; do
case $key in
    MemTotal)
        mem_used=$((mem_used + val))
        mem_full=$val
    ;;

    Shmem)
        mem_used=$((mem_used + val))
    ;;

    MemFree|Buffers|Cached|SReclaimable)
        mem_used=$((mem_used - val))
    ;;
esac
done < /proc/meminfo

mem_used=$((mem_used / 1024))
mem_full=$((mem_full / 1024))
kernel=$(uname -r)
pkg=$(pacman -Q | wc -l)
aur_pkg=$(pacman -Qm | wc -l)
ex_pkg=$(pacman -Qqe | wc -l)
user=${USER}
hostname=$(hostname)

# Greeting
printf " ${bold}❤$normal  Hello $(echo "$user" | sed 's/.*/\u&/') <3 ${bold}(${user}@${hostname})${normal}\n"
# Kernel  
printf " ${bold}Kernel:${normal} ${kernel}\n"
# Memory  
printf " ${bold}Memory:${normal} ${mem_used} MB / ${mem_full} MB\n"
# Packages
printf " ${bold}Packages:${normal} ${pkg} (Explicit: ${ex_pkg}, AUR: ${aur_pkg})\n\n"