tdedup.1 - dedup - data deduplication program
HTML git clone git://bitreich.org/dedup/ git://hg6vgqziawt5s4dj.onion/dedup/
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tdedup.1 (1540B)
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1 .Dd April 10, 2019
2 .Dt DEDUP 1
3 .Os
4 .Sh NAME
5 .Nm dedup
6 .Nd data deduplication program
7 .Sh SYNOPSIS
8 .Nm dedup
9 .Op Fl cilv
10 .Op Fl H Ar hash
11 .Op Fl Z Ar compressor
12 .Op Fl e Ar id
13 .Op Fl r Ar root
14 .Op Fl m Ar message
15 .Op file
16 .Sh DESCRIPTION
17 .Nm
18 deduplicates data from the specified
19 .Ar file .
20 If no
21 .Ar file
22 is specified then it reads from standard input.
23 .Pp
24 .Nm
25 does not track any file metadata so to deduplicate
26 directory trees, an archival tool like
27 .Xr tar 1
28 should be used and piped into
29 .Nm .
30 .Sh OPTIONS
31 .Bl -tag -width "-Z compressor"
32 .It Fl H Ar hash
33 The cryptographic hash function used to identify
34 unique blocks in the store.
35 The supported hash functions are blake2b, blake2bp, blake2s and blake2sp.
36 This flag only has an effect when initializing the repository.
37 By default blake2b is used.
38 .It Fl Z Ar compressor
39 The compressor function used to compress the blocks
40 in the store.
41 The supported compressor functions are none, lz4 and snappy.
42 This flag only has an effect when initializing the repository.
43 By default lz4 is used.
44 .It Fl c
45 Perform a consistency check on the repository.
46 .It Fl i
47 Initialize the repository.
48 .It Fl l
49 List snapshots.
50 .It Fl v
51 Enable verbose mode.
52 .It Fl e Ar id
53 Extract snapshot with the specified id.
54 .It Fl r Ar root
55 Set the directory where the repository will be created.
56 By default the repository is created in the current directory.
57 .It Fl m Ar message
58 Attach a descriptive message to the snapshot.
59 .El
60 .Sh AUTHORS
61 .An Dimitris Papastamos Aq Mt sin@2f30.org ,
62 .An z3bra Aq Mt contactatz3bradotorg .