diff options
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/lziprecover.1 | 13 | ||||
| -rw-r--r-- | doc/lziprecover.info | 46 | ||||
| -rw-r--r-- | doc/lziprecover.texinfo | 41 |
3 files changed, 90 insertions, 10 deletions
diff --git a/doc/lziprecover.1 b/doc/lziprecover.1 index 495de0b..f8e6148 100644 --- a/doc/lziprecover.1 +++ b/doc/lziprecover.1 @@ -1,5 +1,5 @@ .\" DO NOT MODIFY THIS FILE! It was generated by help2man 1.37.1. -.TH LZIPRECOVER "1" "November 2011" "Lziprecover 1.13-rc1" "User Commands" +.TH LZIPRECOVER "1" "November 2011" "Lziprecover 1.13-rc2" "User Commands" .SH NAME Lziprecover \- recovers data from damaged lzip files .SH SYNOPSIS @@ -21,12 +21,18 @@ send decompressed output to standard output \fB\-d\fR, \fB\-\-decompress\fR decompress .TP +\fB\-D\fR, \fB\-\-range\-decompress=\fR<range> +decompress only a range of bytes (N\-M) +.TP \fB\-f\fR, \fB\-\-force\fR overwrite existing output files .TP \fB\-k\fR, \fB\-\-keep\fR keep (don't delete) input files .TP +\fB\-l\fR, \fB\-\-list\fR +print total file sizes and ratios +.TP \fB\-m\fR, \fB\-\-merge\fR correct errors in file using several copies .TP @@ -40,13 +46,16 @@ suppress all messages try to repair a small error in file .TP \fB\-s\fR, \fB\-\-split\fR -split a multimember file in single\-member files +split multimember file in single\-member files .TP \fB\-t\fR, \fB\-\-test\fR test compressed file integrity .TP \fB\-v\fR, \fB\-\-verbose\fR be verbose (a 2nd \fB\-v\fR gives more) +.PP +Numbers may be followed by a multiplier: k = kB = 10^3 = 1000, +Ki = KiB = 2^10 = 1024, M = 10^6, Mi = 2^20, G = 10^9, Gi = 2^30, etc... .SH "REPORTING BUGS" Report bugs to lzip\-bug@nongnu.org .br diff --git a/doc/lziprecover.info b/doc/lziprecover.info index 4528103..621f5cf 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-rc1, 12 November 2011). +This manual is for Lziprecover (version 1.13-rc2, 20 November 2011). * Menu: @@ -101,6 +101,19 @@ The format for running lziprecover is: `--decompress' Decompress. +`-D RANGE' +`--range-decompress=RANGE' + Decompress only a range of bytes starting at decompressed byte + position `BEGIN' and up to byte position `END - 1'. Three formats + of RANGE are recognized, `BEGIN', `BEGIN-END', and `BEGIN,SIZE'. + If only BEGIN is specified, END is taken as the end of the file. + The produced bytes are sent to standard output unless the + `--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 + only decompresses the members containing the desired data. + `-f' `--force' Force overwrite of output files. @@ -109,6 +122,11 @@ The format for running lziprecover is: `--keep' Keep (don't delete) input files during decompression. +`-l' +`--list' + Print total file sizes and ratios. The values produced are correct + even for multimember files. + `-m' `--merge' Try to produce a correct file merging the good parts of two or more @@ -174,6 +192,22 @@ The format for running lziprecover is: bytes of trailing garbage (if any). + + Numbers given as arguments to options may be followed by a multiplier +and an optional `B' for "byte". + + Table of SI and binary prefixes (unit multipliers): + +Prefix Value | Prefix Value +k kilobyte (10^3 = 1000) | Ki kibibyte (2^10 = 1024) +M megabyte (10^6) | Mi mebibyte (2^20) +G gigabyte (10^9) | Gi gibibyte (2^30) +T terabyte (10^12) | Ti tebibyte (2^40) +P petabyte (10^15) | Pi pebibyte (2^50) +E exabyte (10^18) | Ei exbibyte (2^60) +Z zettabyte (10^21) | Zi zebibyte (2^70) +Y yottabyte (10^24) | Yi yobibyte (2^80) + File: lziprecover.info, Node: File Format, Next: Examples, Prev: Invoking Lziprecover, Up: Top @@ -359,10 +393,10 @@ Tag Table: Node: Top231 Node: Introduction898 Node: Invoking Lziprecover2684 -Node: File Format6150 -Node: Examples8156 -Ref: ddrescue-example9409 -Node: Problems11188 -Node: Concept Index11738 +Node: File Format7727 +Node: Examples9733 +Ref: ddrescue-example10986 +Node: Problems12765 +Node: Concept Index13315 End Tag Table diff --git a/doc/lziprecover.texinfo b/doc/lziprecover.texinfo index 2447c14..9086787 100644 --- a/doc/lziprecover.texinfo +++ b/doc/lziprecover.texinfo @@ -5,8 +5,8 @@ @finalout @c %**end of header -@set UPDATED 12 November 2011 -@set VERSION 1.13-rc1 +@set UPDATED 20 November 2011 +@set VERSION 1.13-rc2 @dircategory Data Compression @direntry @@ -122,6 +122,20 @@ data as possible when decompressing a corrupt file. @itemx --decompress Decompress. +@item -D @var{range} +@itemx --range-decompress=@var{range} +Decompress only a range of bytes starting at decompressed byte position +@samp{@var{begin}} and up to byte position @w{@samp{@var{end} - 1}}. +Three formats of @var{range} are recognized, @samp{@var{begin}}, +@samp{@var{begin}-@var{end}}, and @samp{@var{begin},@var{size}}. If only +@var{begin} is specified, @var{end} is taken as the end of the file. The +produced bytes are sent to standard output unless the @samp{--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 only decompresses the members +containing the desired data. + @item -f @itemx --force Force overwrite of output files. @@ -130,6 +144,11 @@ Force overwrite of output files. @itemx --keep Keep (don't delete) input files during decompression. +@item -l +@itemx --list +Print total file sizes and ratios. The values produced are correct even +for multimember files. + @item -m @itemx --merge Try to produce a correct file merging the good parts of two or more @@ -195,6 +214,24 @@ trailing garbage (if any). @end table +@sp 1 +Numbers given as arguments to options may be followed by a multiplier +and an optional @samp{B} for "byte". + +Table of SI and binary prefixes (unit multipliers): + +@multitable {Prefix} {kilobyte (10^3 = 1000)} {|} {Prefix} {kibibyte (2^10 = 1024)} +@item Prefix @tab Value @tab | @tab Prefix @tab Value +@item k @tab kilobyte (10^3 = 1000) @tab | @tab Ki @tab kibibyte (2^10 = 1024) +@item M @tab megabyte (10^6) @tab | @tab Mi @tab mebibyte (2^20) +@item G @tab gigabyte (10^9) @tab | @tab Gi @tab gibibyte (2^30) +@item T @tab terabyte (10^12) @tab | @tab Ti @tab tebibyte (2^40) +@item P @tab petabyte (10^15) @tab | @tab Pi @tab pebibyte (2^50) +@item E @tab exabyte (10^18) @tab | @tab Ei @tab exbibyte (2^60) +@item Z @tab zettabyte (10^21) @tab | @tab Zi @tab zebibyte (2^70) +@item Y @tab yottabyte (10^24) @tab | @tab Yi @tab yobibyte (2^80) +@end multitable + @node File Format @chapter File Format |