Snapper reads the directory of a disk which is then saved as a "snapshot", so that later you can compare it with a new snapshot of the disk and see what has changed. The results are easy to see with colour highlighting in an Explorer-style

File size: 2313 Kb
Total downloads: 115
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Week (Day.Month)		Downloads
1	(1.1-7.1)	3
2	(8.1-14.1)
3	(15.1-21.1)	2
4	(22.1-28.1)
5	(29.1-4.2)	4
6	(5.2-11.2)
7	(12.2-18.2)	4
8	(19.2-25.2)
9	(26.2-4.3)	2
10	(5.3-11.3)
11	(12.3-18.3)	3
12	(19.3-25.3)
13	(26.3-1.4)
14	(2.4-8.4)	1
15	(9.4-15.4)	1
16	(16.4-22.4)
17	(23.4-29.4)	1
18	(30.4-6.5)
19	(7.5-13.5)	3
20	(14.5-20.5)	2
21	(21.5-27.5)
22	(28.5-3.6)
23	(4.6-10.6)	1
24	(11.6-17.6)
25	(18.6-24.6)	3
26	(25.6-1.7)
27	(2.7-8.7)	2
28	(9.7-15.7)	1
29	(16.7-22.7)	1
30	(23.7-29.7)	2
31	(30.7-5.8)
32	(6.8-12.8)
33	(13.8-19.8)	2
34	(20.8-26.8)
35	(27.8-2.9)	3
36	(3.9-9.9)
37	(10.9-16.9)
38	(17.9-23.9)	1
39	(24.9-30.9)
40	(1.10-7.10)	5
41	(8.10-14.10)	2
42	(15.10-21.10)
43	(22.10-28.10)	2
44	(29.10-4.11)	1
45	(5.11-11.11)	1
46	(12.11-18.11)
47	(19.11-25.11)	1
48	(26.11-2.12)
49	(3.12-9.12)
50	(10.12-16.12)	3
51	(17.12-23.12)	2
52	(24.12-30.12)
53	(31.12-6.1)