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diff --git a/doc/lziprecover.info b/doc/lziprecover.info index 621f5cf..73830cf 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-rc2, 20 November 2011). +This manual is for Lziprecover (version 1.13, 24 February 2012). * Menu: @@ -24,7 +24,7 @@ This manual is for Lziprecover (version 1.13-rc2, 20 November 2011). * Concept Index:: Index of concepts - Copyright (C) 2009, 2010, 2011 Antonio Diaz Diaz. + Copyright (C) 2009, 2010, 2011, 2012 Antonio Diaz Diaz. This manual is free documentation: you have unlimited permission to copy, distribute and modify it. @@ -46,6 +46,13 @@ the compressors in the lzip family; lzip, plzip, minilzip/lzlib, clzip and pdlzip. This recovery capability contributes to make the lzip format one of the best options for long-term data archiving. + Lziprecover is able to efficiently extract a range of bytes from a +multi-member file, because it only decompresses the members containing +the desired data. + + Lziprecover can print correct total file sizes and ratios even for +multi-member files. + When recovering data, lziprecover takes as arguments the names of the damaged files and writes zero or more recovered files depending on the operation selected and whether the recovery succeeded or not. The @@ -111,7 +118,7 @@ The format for running lziprecover is: `--output' option is used. In order to guarantee the correctness of the data produced, all members containing any part of the desired data are decompressed and their integrity is verified. - This operation is more efficient in multimember files because it + This operation is more efficient in multi-member files because it only decompresses the members containing the desired data. `-f' @@ -125,7 +132,7 @@ The format for running lziprecover is: `-l' `--list' Print total file sizes and ratios. The values produced are correct - even for multimember files. + even for multi-member files. `-m' `--merge' @@ -266,7 +273,7 @@ additional information before, between, or after them. `Member size (8 bytes)' Total size of the member, including header and trailer. This - facilitates safe recovery of undamaged members from multimember + facilitates safe recovery of undamaged members from multi-member files. @@ -291,13 +298,13 @@ show status. Example 3: Decompress `file.lz' partially until 10KiB of decompressed data are produced. - lziprecover -cd file.lz | dd bs=1024 count=10 + lziprecover -D 10KiB file.lz Example 4: Decompress `file.lz' partially from decompressed byte 10000 to decompressed byte 15000 (5000 bytes are produced). - lziprecover -cd file.lz | dd bs=1000 skip=10 count=5 + lziprecover -D 10000-15000 file.lz Example 5: Repair a one-byte corruption in the single-member file @@ -317,8 +324,9 @@ the integrity of the resulting files. lziprecover -tv rec*file.lz -Example 7: Recover a compressed backup from two copies on CD-ROM (see -the GNU ddrescue manual for details about ddrescue) +Example 7: Recover a compressed backup from two copies on CD-ROM with +error-checked merging of copies (*Note GNU ddrescue manual: +(ddrescue)Top, for details about ddrescue). ddrescue -b2048 /dev/cdrom cdimage1 logfile1 mount -t iso9660 -o loop,ro cdimage1 /mnt/cdimage @@ -391,12 +399,17 @@ Concept Index Tag Table: Node: Top231 -Node: Introduction898 -Node: Invoking Lziprecover2684 -Node: File Format7727 -Node: Examples9733 -Ref: ddrescue-example10986 -Node: Problems12765 -Node: Concept Index13315 +Node: Introduction900 +Node: Invoking Lziprecover2937 +Node: File Format7982 +Node: Examples9989 +Ref: ddrescue-example11207 +Node: Problems13038 +Node: Concept Index13588 End Tag Table + + +Local Variables: +coding: iso-8859-15 +End: |