--- /dev/null
+#!/bin/bash
+
+set -e
+
+files=10
+folders=2
+depth=4
+target="$PWD/target"
+
+rm -rf target
+
+fill () {
+ local depth=$1
+ local files=$2
+ local folders=$3
+ local target=$4
+
+ if ! [ -d $target ]; then
+ mkdir -p $target
+ fi
+
+ local f
+
+ f=$files
+ while [ $f -gt 0 ]; do
+ touch "$target/f-$depth-$f"
+ let f--
+ done
+
+ let depth--
+
+ if [ $depth -le 0 ]; then
+ return 0
+ fi
+
+ f=$folders
+ while [ $f -gt 0 ]; do
+ mkdir "$target/folder-$depth-$f"
+ fill $depth $files $folders "$target/d-$depth-$f"
+ let f--
+ done
+}
+
+fill $depth $files $folders $target
+
+# sanity assert
+[ -d $target ]