create-many-txt-files.sh

#!/bin/bash
out_dir="/home/ndipiazza/test-files/lots_of_small_text_files"
mkdir -p "$out_dir"
num_folders=10
num_files_in_folders=1000
for i in $(seq 1 $num_folders)
do
   mkdir "$out_dir/$i"
   for j in $(seq 1 $num_files_in_folders)
   do
      echo "file $i/$j" > "$out_dir/$i/$j.txt"
   done
done