mkdir -p /tmp/dir1/a\ subdir
echo good > /tmp/dir1/foo
echo yes > /tmp/dir1/so\ long\ file\ name\ with\ spaces
echo bar > /tmp/dir1/a\ subdir/bar

mkdir  -p /tmp/dir\ 2/a\ long\ name\ for\ a\ subdir
echo good > /tmp/dir\ 2/a\ long\ name\ for\ a\ subdir/The\ Bar
echo yes > /tmp/dir\ 2/a\ long\ name\ for\ a\ subdir/The\ Foo
echo bar > /tmp/dir\ 2/cool

find /tmp/dir1/ -type f -exec md5sum "{}" \; |cut -d\  -f1 |sort > /tmp/hashes_dir1
find /tmp/dir\ 2/ -type f -exec md5sum "{}" \; |cut -d\  -f1 |sort > /tmp/hashes_dir2
diff /tmp/hashes_dir1 /tmp/hashes_dir2
# no output