lzip/lziprecover
1
0
Fork 0
Code Issues Activity

Merging upstream version 1.14~rc3.

Browse source 
Signed-off-by: Daniel Baumann <daniel@debian.org>
This commit is contained in:
Daniel Baumann 2025-02-21 11:13:34 +01:00
parent fab5d40dce
commit 090aac16e8
Signed by: daniel
GPG key ID: FBB4F0E80A80222F
17 changed files with 152 additions and 74 deletions
Download patch file Download diff file Expand all files Collapse all files

51
doc/lziprecover.texinfo
View file

@ -6,8 +6,8 @@
@finalout
@c %**end of header
@set UPDATED 25 March 2013
@set VERSION 1.14-rc2
@set UPDATED 23 April 2013
@set VERSION 1.14-rc3
@dircategory Data Compression
@direntry
@ -86,7 +86,7 @@ in the following example (the resulting file may contain some garbage
data at the end):
@example
lziprecover -cd rec00001file.lz > rec00001file
lziprecover -cd rec01file.lz > rec01file
@end example
If the cause of file corruption is damaged media, the combination
@ -148,6 +148,14 @@ containing the desired data.
@itemx --force
Force overwrite of output files.
@item -i
@itemx --ignore-errors
Make @samp{--range-decompress} ignore data errors and continue
decompressing the remaining members in the file. For example,
@w{@samp{lziprecover -i -D0 file.lz > file}} decompresses all the
recoverable data in all members of @samp{file.lz} without having to
split it first.
@item -k
@itemx --keep
Keep (don't delete) input files during decompression.
@ -179,10 +187,10 @@ copies.
@itemx --output=@var{file}
Place the output into @samp{@var{file}} instead of into
@samp{@var{file}_fixed.lz}. If splitting, the names of the files
produced are in the form @samp{rec00001@var{file}},
@samp{rec00002@var{file}}, etc. If decompressing from standard input and
@samp{--stdout} has not been specified, use @samp{@var{file}} as the
name of the decompressed file.
produced are in the form @samp{rec01@var{file}}, @samp{rec02@var{file}},
etc. If decompressing from standard input and @samp{--stdout} has not
been specified, use @samp{@var{file}} as the name of the decompressed
file.
@item -q
@itemx --quiet
@ -203,10 +211,11 @@ integrity of the resulting files, decompress those which are undamaged,
and try to repair or partially decompress those which are damaged.
The names of the files produced are in the form
@samp{rec00001@var{file}.lz}, @samp{rec00002@var{file}.lz}, etc, and are
@samp{rec01@var{file}.lz}, @samp{rec02@var{file}.lz}, etc, and are
designed so that the use of wildcards in subsequent processing, for
example, @w{@samp{lziprecover -cd rec*@var{file}.lz > recovered_data}},
processes the files in the correct order.
processes the files in the correct order. The number of digits used in
the names varies depending on the number of members in @samp{@var{file}}.
@item -t
@itemx --test
@ -411,26 +420,26 @@ lziprecover -m -v -o rescued.tar.lz rescued1.tar.lz rescued2.tar.lz
@noindent
Example 8: Recover the first volume of those created with the command
@w{@code{lzip -b 32MiB -S 650MB big_db}} from two copies,
@samp{big_db1_00001.lz} and @samp{big_db2_00001.lz}, with member 00007
damaged in the first copy, member 00018 damaged in the second copy, and
member 00012 damaged in both copies. Two correct copies are produced and
@samp{big_db1_00001.lz} and @samp{big_db2_00001.lz}, with member 07
damaged in the first copy, member 18 damaged in the second copy, and
member 12 damaged in both copies. Two correct copies are produced and
compared.
@example
lziprecover -s big_db1_00001.lz
lziprecover -s big_db2_00001.lz
lziprecover -t rec*big_db1_00001.lz
rec00007big_db1_00001.lz: crc mismatch
rec00012big_db1_00001.lz: crc mismatch
rec07big_db1_00001.lz: crc mismatch
rec12big_db1_00001.lz: crc mismatch
lziprecover -t rec*big_db2_00001.lz
rec00012big_db2_00001.lz: crc mismatch
rec00018big_db2_00001.lz: crc mismatch
lziprecover -m -v rec00012big_db1_00001.lz rec00012big_db2_00001.lz
rec12big_db2_00001.lz: crc mismatch
rec18big_db2_00001.lz: crc mismatch
lziprecover -m -v rec12big_db1_00001.lz rec12big_db2_00001.lz
Input files merged successfully
cp rec00007big_db2_00001.lz rec00007big_db1_00001.lz
cp rec00012big_db1_00001_fixed.lz rec00012big_db1_00001.lz
cp rec00012big_db1_00001_fixed.lz rec00012big_db2_00001.lz
cp rec00018big_db1_00001.lz rec00018big_db2_00001.lz
cp rec07big_db2_00001.lz rec07big_db1_00001.lz
cp rec12big_db1_00001_fixed.lz rec12big_db1_00001.lz
cp rec12big_db1_00001_fixed.lz rec12big_db2_00001.lz
cp rec18big_db1_00001.lz rec18big_db2_00001.lz
cat rec*big_db1_00001.lz > big_db3_00001.lz
cat rec*big_db2_00001.lz > big_db4_00001.lz
zcmp big_db3_00001.lz big_db4_00001.lz