summaryrefslogtreecommitdiffstats
path: root/doc/lziprecover.info
diff options
context:
space:
mode:
authorDaniel Baumann <mail@daniel-baumann.ch>2015-11-07 10:21:04 +0000
committerDaniel Baumann <mail@daniel-baumann.ch>2015-11-07 10:21:04 +0000
commit8ea0538d70bde5c4759fce0f5bda0684517d6d92 (patch)
treece7908218be1fc93e32bdfa1a274358770b7ebb0 /doc/lziprecover.info
parentAdding debian version 1.13-4. (diff)
downloadlziprecover-8ea0538d70bde5c4759fce0f5bda0684517d6d92.tar.xz
lziprecover-8ea0538d70bde5c4759fce0f5bda0684517d6d92.zip
Merging upstream version 1.14~rc1.
Signed-off-by: Daniel Baumann <mail@daniel-baumann.ch>
Diffstat (limited to 'doc/lziprecover.info')
-rw-r--r--doc/lziprecover.info51
1 files changed, 30 insertions, 21 deletions
diff --git a/doc/lziprecover.info b/doc/lziprecover.info
index 73830cf..7b24dcb 100644
--- a/doc/lziprecover.info
+++ b/doc/lziprecover.info
@@ -12,7 +12,7 @@ File: lziprecover.info, Node: Top, Next: Introduction, Up: (dir)
Lziprecover Manual
******************
-This manual is for Lziprecover (version 1.13, 24 February 2012).
+This manual is for Lziprecover (version 1.14-rc1, 27 February 2013).
* Menu:
@@ -24,7 +24,7 @@ This manual is for Lziprecover (version 1.13, 24 February 2012).
* Concept Index:: Index of concepts
- Copyright (C) 2009, 2010, 2011, 2012 Antonio Diaz Diaz.
+ Copyright (C) 2009, 2010, 2011, 2012, 2013 Antonio Diaz Diaz.
This manual is free documentation: you have unlimited permission to
copy, distribute and modify it.
@@ -132,7 +132,8 @@ The format for running lziprecover is:
`-l'
`--list'
Print total file sizes and ratios. The values produced are correct
- even for multi-member files.
+ even for multi-member files. Use it together with `-v' to see
+ information about the members in the file.
`-m'
`--merge'
@@ -221,7 +222,12 @@ File: lziprecover.info, Node: File Format, Next: Examples, Prev: Invoking Lzi
3 File Format
*************
-In the diagram below, a box like this:
+Perfection is reached, not when there is no longer anything to add, but
+when there is no longer anything to take away.
+-- Antoine de Saint-Exupery
+
+
+ In the diagram below, a box like this:
+---+
| | <-- the vertical bars might be missing
+---+
@@ -250,15 +256,18 @@ additional information before, between, or after them.
"LZIP".
`VN (version number, 1 byte)'
- Just in case something needs to be modified in the future. Valid
- values are 0 and 1. Version 0 files are deprecated. They can
- contain only one member and lack the `Member size' field.
+ Just in case something needs to be modified in the future. 1 for
+ now.
`DS (coded dictionary size, 1 byte)'
- Bits 4-0 contain the base 2 logarithm of the base dictionary size.
- Bits 7-5 contain the number of "wedges" to substract from the base
- dictionary size to obtain the dictionary size. The size of a wedge
- is (base dictionary size / 16).
+ Lzip divides the distance between any two powers of 2 into 8
+ equally spaced intervals, named "wedges". The dictionary size is
+ calculated by taking a power of 2 (the base size) and substracting
+ from it a number of wedges between 0 and 7. The size of a wedge is
+ (base_size / 16).
+ Bits 4-0 contain the base 2 logarithm of the base size (12 to 29).
+ Bits 7-5 contain the number of wedges (0 to 7) to substract from
+ the base size to obtain the dictionary size.
Valid values for dictionary size range from 4KiB to 512MiB.
`Lzma stream'
@@ -272,9 +281,9 @@ additional information before, between, or after them.
Size of the uncompressed original data.
`Member size (8 bytes)'
- Total size of the member, including header and trailer. This
- facilitates safe recovery of undamaged members from multi-member
- files.
+ Total size of the member, including header and trailer. This field
+ acts as a distributed index, and facilitates safe recovery of
+ undamaged members from multi-member files.

@@ -399,13 +408,13 @@ Concept Index

Tag Table:
Node: Top231
-Node: Introduction900
-Node: Invoking Lziprecover2937
-Node: File Format7982
-Node: Examples9989
-Ref: ddrescue-example11207
-Node: Problems13038
-Node: Concept Index13588
+Node: Introduction910
+Node: Invoking Lziprecover2947
+Node: File Format8073
+Node: Examples10394
+Ref: ddrescue-example11612
+Node: Problems13443
+Node: Concept Index13993

End Tag Table