#!/usr/bin/env bash
let "_1M = 1024 * 1024"
for i in $(seq -f "%02g" 1 10); do
let "SIZE = $i * $_1M"
for j in $(seq -f "%02g" 1 10); do
FILE="${i}m-${j}.bin"
if [ ! -f $FILE ]
then
fsutil file createnew $FILE $SIZE
fi
done
done
# fsutil file createnew 1m.bin `$_1M * 10`