Usage util duf.

dotfiles/zshrc.d/usage.zsh

@@ -0,0 +1,3 @@
+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
+}