Merging upstream version 1.14~rc1.
Signed-off-by: Daniel Baumann <daniel@debian.org>
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.\" DO NOT MODIFY THIS FILE! It was generated by help2man 1.37.1.
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.TH LZIPRECOVER "1" "February 2012" "Lziprecover 1.13" "User Commands"
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.TH LZIPRECOVER "1" "February 2013" "Lziprecover 1.14-rc1" "User Commands"
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.SH NAME
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Lziprecover \- recovers data from damaged lzip files
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.SH SYNOPSIS
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@ -61,7 +61,7 @@ Report bugs to lzip\-bug@nongnu.org
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.br
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Lziprecover home page: http://www.nongnu.org/lzip/lziprecover.html
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.SH COPYRIGHT
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Copyright \(co 2012 Antonio Diaz Diaz.
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Copyright \(co 2013 Antonio Diaz Diaz.
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License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
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.br
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This is free software: you are free to change and redistribute it.
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@ -12,7 +12,7 @@ File: lziprecover.info, Node: Top, Next: Introduction, Up: (dir)
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Lziprecover Manual
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******************
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This manual is for Lziprecover (version 1.13, 24 February 2012).
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This manual is for Lziprecover (version 1.14-rc1, 27 February 2013).
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* Menu:
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@ -24,7 +24,7 @@ This manual is for Lziprecover (version 1.13, 24 February 2012).
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* Concept Index:: Index of concepts
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Copyright (C) 2009, 2010, 2011, 2012 Antonio Diaz Diaz.
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Copyright (C) 2009, 2010, 2011, 2012, 2013 Antonio Diaz Diaz.
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This manual is free documentation: you have unlimited permission to
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copy, distribute and modify it.
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@ -132,7 +132,8 @@ The format for running lziprecover is:
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`-l'
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`--list'
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Print total file sizes and ratios. The values produced are correct
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even for multi-member files.
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even for multi-member files. Use it together with `-v' to see
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information about the members in the file.
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`-m'
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`--merge'
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@ -221,7 +222,12 @@ File: lziprecover.info, Node: File Format, Next: Examples, Prev: Invoking Lzi
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3 File Format
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*************
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In the diagram below, a box like this:
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Perfection is reached, not when there is no longer anything to add, but
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when there is no longer anything to take away.
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-- Antoine de Saint-Exupery
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In the diagram below, a box like this:
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+---+
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| | <-- the vertical bars might be missing
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+---+
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@ -250,15 +256,18 @@ additional information before, between, or after them.
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"LZIP".
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`VN (version number, 1 byte)'
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Just in case something needs to be modified in the future. Valid
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values are 0 and 1. Version 0 files are deprecated. They can
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contain only one member and lack the `Member size' field.
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Just in case something needs to be modified in the future. 1 for
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now.
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`DS (coded dictionary size, 1 byte)'
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Bits 4-0 contain the base 2 logarithm of the base dictionary size.
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Bits 7-5 contain the number of "wedges" to substract from the base
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dictionary size to obtain the dictionary size. The size of a wedge
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is (base dictionary size / 16).
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Lzip divides the distance between any two powers of 2 into 8
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equally spaced intervals, named "wedges". The dictionary size is
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calculated by taking a power of 2 (the base size) and substracting
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from it a number of wedges between 0 and 7. The size of a wedge is
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(base_size / 16).
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Bits 4-0 contain the base 2 logarithm of the base size (12 to 29).
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Bits 7-5 contain the number of wedges (0 to 7) to substract from
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the base size to obtain the dictionary size.
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Valid values for dictionary size range from 4KiB to 512MiB.
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`Lzma stream'
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Size of the uncompressed original data.
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`Member size (8 bytes)'
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Total size of the member, including header and trailer. This
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facilitates safe recovery of undamaged members from multi-member
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files.
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Total size of the member, including header and trailer. This field
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acts as a distributed index, and facilitates safe recovery of
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undamaged members from multi-member files.
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@ -399,13 +408,13 @@ Concept Index
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Tag Table:
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Node: Top231
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Node: Introduction900
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Node: Invoking Lziprecover2937
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Node: File Format7982
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Node: Examples9989
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Ref: ddrescue-example11207
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Node: Problems13038
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Node: Concept Index13588
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Node: Introduction910
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Node: Invoking Lziprecover2947
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Node: File Format8073
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Node: Examples10394
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Ref: ddrescue-example11612
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Node: Problems13443
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Node: Concept Index13993
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End Tag Table
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@ -6,8 +6,8 @@
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@finalout
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@c %**end of header
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@set UPDATED 24 February 2012
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@set VERSION 1.13
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@set UPDATED 27 February 2013
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@set VERSION 1.14-rc1
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@dircategory Data Compression
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@direntry
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@ -44,7 +44,7 @@ This manual is for Lziprecover (version @value{VERSION}, @value{UPDATED}).
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@end menu
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@sp 1
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Copyright @copyright{} 2009, 2010, 2011, 2012 Antonio Diaz Diaz.
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Copyright @copyright{} 2009, 2010, 2011, 2012, 2013 Antonio Diaz Diaz.
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This manual is free documentation: you have unlimited permission
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to copy, distribute and modify it.
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@ -155,7 +155,9 @@ Keep (don't delete) input files during decompression.
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@item -l
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@itemx --list
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Print total file sizes and ratios. The values produced are correct even
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for multi-member files.
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for multi-member files. Use it together with @samp{-v} to see
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information about the members in the file.
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@item -m
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@itemx --merge
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@ -245,6 +247,11 @@ Table of SI and binary prefixes (unit multipliers):
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@chapter File Format
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@cindex file format
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Perfection is reached, not when there is no longer anything to add, but
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when there is no longer anything to take away.@*
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--- Antoine de Saint-Exupery
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@sp 1
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In the diagram below, a box like this:
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@verbatim
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+---+
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@ -280,15 +287,16 @@ All multibyte values are stored in little endian order.
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A four byte string, identifying the lzip format, with the value "LZIP".
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@item VN (version number, 1 byte)
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Just in case something needs to be modified in the future. Valid values
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are 0 and 1. Version 0 files are deprecated. They can contain only one
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member and lack the @samp{Member size} field.
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Just in case something needs to be modified in the future. 1 for now.
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@item DS (coded dictionary size, 1 byte)
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Bits 4-0 contain the base 2 logarithm of the base dictionary size.@*
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Bits 7-5 contain the number of "wedges" to substract from the base
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dictionary size to obtain the dictionary size. The size of a wedge is
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(base dictionary size / 16).@*
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Lzip divides the distance between any two powers of 2 into 8 equally
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spaced intervals, named "wedges". The dictionary size is calculated by
|
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taking a power of 2 (the base size) and substracting from it a number of
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wedges between 0 and 7. The size of a wedge is (base_size / 16).@*
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Bits 4-0 contain the base 2 logarithm of the base size (12 to 29).@*
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Bits 7-5 contain the number of wedges (0 to 7) to substract from the
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base size to obtain the dictionary size.@*
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Valid values for dictionary size range from 4KiB to 512MiB.
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@item Lzma stream
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@ -302,8 +310,9 @@ CRC of the uncompressed original data.
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Size of the uncompressed original data.
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@item Member size (8 bytes)
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Total size of the member, including header and trailer. This facilitates
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safe recovery of undamaged members from multi-member files.
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Total size of the member, including header and trailer. This field acts
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as a distributed index, and facilitates safe recovery of undamaged
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members from multi-member files.
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@end table
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