$ cat in.example2
file /a 30
$ python ./ffs.py -f in.example2 -c
group inodes data
0 /a-------- /aaaaaaaaa aaaaaaaaaa aaaaaaaaaa
1 ---------- a--------- ---------- ----------
2 ---------- ---------- ---------- ----------
3 ---------- ---------- ---------- ----------
4 ---------- ---------- ---------- ----------
5 ---------- ---------- ---------- ----------
6 ---------- ---------- ---------- ----------
7 ---------- ---------- ---------- ----------
8 ---------- ---------- ---------- ----------
9 ---------- ---------- ---------- ----------
$ python ./ffs.py -f in.example2 -c -L 4
group inodes data
0 /a-------- /aaaa----- ---------- ----------
1 ---------- aaaa------ ---------- ----------
2 ---------- aaaa------ ---------- ----------
3 ---------- aaaa------ ---------- ----------
4 ---------- aaaa------ ---------- ----------
5 ---------- aaaa------ ---------- ----------
6 ---------- aaaa------ ---------- ----------
7 ---------- aa-------- ---------- ----------
8 ---------- ---------- ---------- ----------
9 ---------- ---------- ---------- ----------