du -h sorted by size

gistfile1.sh

# From http://derblub.com/human-readable-and-by-size-sorted-disk-usage-in-bash

function duf {
    du -sk "$@" | sort -n | while read size fname; do for unit in k M G T P E Z Y; do if [ $size -lt 1024 ]; then echo -e "${size}${unit}\t${fname}"; break; fi; size=$((size/1024)); done; done
}