(Scripts)+create_backup,+folder_size

create_backup does the obvious using tar and xz.  Needs two arguments
for what and where.  folder_size does the obvious using du.

Scripts/.local/scripts/create_backup

@@ -0,0 +1,9 @@
+#!/usr/bin/env sh
+
+set -xe
+
+dir=$2/backup
+arch=$2/archive
+name="$(date +%F)-$(date +%T)-$(basename $1).tar.xz"
+
+XZ_OPT='-T0 -9' tar -Jcvf $dir/$name $1