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Diffstat (limited to 'doc/lziprecover.info')
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1 files changed, 29 insertions, 18 deletions
diff --git a/doc/lziprecover.info b/doc/lziprecover.info index 289fec5..b97224a 100644 --- a/doc/lziprecover.info +++ b/doc/lziprecover.info @@ -3,7 +3,7 @@ lziprecover.texi. INFO-DIR-SECTION Data Compression START-INFO-DIR-ENTRY -* Lziprecover: (lziprecover). Data recovery tool for lzip files +* Lziprecover: (lziprecover). Data recovery tool for the lzip format END-INFO-DIR-ENTRY @@ -12,7 +12,7 @@ File: lziprecover.info, Node: Top, Next: Introduction, Up: (dir) Lziprecover Manual ****************** -This manual is for Lziprecover (version 1.16-rc1, 1 July 2014). +This manual is for Lziprecover (version 1.16, 29 August 2014). * Menu: @@ -27,7 +27,7 @@ This manual is for Lziprecover (version 1.16-rc1, 1 July 2014). * Concept index:: Index of concepts - Copyright (C) 2009, 2010, 2011, 2012, 2013, 2014 Antonio Diaz Diaz. + Copyright (C) 2009-2014 Antonio Diaz Diaz. This manual is free documentation: you have unlimited permission to copy, distribute and modify it. @@ -62,6 +62,11 @@ into account both data integrity and decoder availability: * Additionally lzip is copylefted, which guarantees that it will remain free forever. + A nice feature of the lzip format is that a corrupt byte is easier to +repair the nearer it is from the beginning of the file. Therefore, with +the help of lziprecover, losing an entire archive just because of a +corrupt byte near the beginning is a thing of the past. + Lziprecover is able to recover or decompress files produced by any of the compressors in the lzip family; lzip, plzip, minilzip/lzlib, clzip and pdlzip. @@ -257,7 +262,7 @@ corruption. Bit-flip happens when one bit in the file is changed from 0 to 1 or vice versa. It may be caused by bad RAM or even by natural radiation. I -have seen a case of bit-flip in a file stored in an USB flash drive. +have seen a case of bit-flip in a file stored on an USB flash drive. Repairing a file can take some time. Small files or files with the error located near the beginning can be repaired in a few seconds. But @@ -496,9 +501,15 @@ programs with a suitable command line syntax. values for each byte. 'N-bit error' means any value differing from the original value in N bit positions, not a value differing from the original value in the bit position N. - The number of N-bit errors per byte (N = 1 to 8) is: 8 28 56 70 56 - 28 8 1 - Examples of RANGE: 1 1,2,3 1-4 1,3-5,8 1-3,5-8 + The number of N-bit errors per byte (N = 1 to 8) is: + 8 28 56 70 56 28 8 1 + + Examples of RANGE Tests errors of N-bit + 1 1 + 1,2,3 1, 2 and 3 + 2-4 2, 3 and 4 + 1,3-5,8 1, 3, 4, 5 and 8 + 1-3,5-8 1, 2, 3, 5, 6, 7 and 8 '-p BYTES' '--position=BYTES' @@ -560,17 +571,17 @@ Concept index Tag Table: -Node: Top226 -Node: Introduction1098 -Node: Invoking lziprecover3856 -Node: Repairing files9294 -Node: Merging files10484 -Node: File format12255 -Node: Examples14765 -Ref: ddrescue-example15966 -Node: Unzcrash17075 -Node: Problems19447 -Node: Concept index19997 +Node: Top231 +Node: Introduction1077 +Node: Invoking lziprecover4105 +Node: Repairing files9543 +Node: Merging files10733 +Node: File format12504 +Node: Examples15014 +Ref: ddrescue-example16215 +Node: Unzcrash17324 +Node: Problems19876 +Node: Concept index20426 End Tag Table |