List installed Arch Linux packages in descending order of size

largepkg

#!/bin/bash

for pkg in `pacman -Qq`; do
    size=`
        LC_ALL=C pacman -Qi $pkg |
        grep '^Installed Size' |
        awk -F '[[:space:]]+:[[:space:]]+' '{print $2}'
    `
    echo "$size - $pkg"
done |  
sort -hr