# Esperanto translations for XZ Utils package # This file is put in the public domain. # Keith Bowes , 2023. # msgid "" msgstr "" "Project-Id-Version: xz-man 5.4.3\n" "POT-Creation-Date: 2024-02-15 01:58+0800\n" "PO-Revision-Date: 2023-05-30 22:57-0400\n" "Last-Translator: Keith Bowes \n" "Language-Team: Esperanto \n" "Language: eo\n" "MIME-Version: 1.0\n" "Content-Type: text/plain; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" "X-Bugs: Report translation errors to the Language-Team address.\n" "Plural-Forms: nplurals=2; plural=(n != 1);\n" #. type: TH #: ../src/xz/xz.1:7 #, no-wrap msgid "XZ" msgstr "XZ" #. type: TH #: ../src/xz/xz.1:7 ../src/scripts/xzdiff.1:8 ../src/scripts/xzgrep.1:8 #, no-wrap msgid "2024-02-13" msgstr "" #. type: TH #: ../src/xz/xz.1:7 ../src/xzdec/xzdec.1:5 ../src/lzmainfo/lzmainfo.1:5 #: ../src/scripts/xzdiff.1:8 ../src/scripts/xzgrep.1:8 #: ../src/scripts/xzless.1:8 ../src/scripts/xzmore.1:8 #, no-wrap msgid "Tukaani" msgstr "Tukaani" #. type: TH #: ../src/xz/xz.1:7 ../src/xzdec/xzdec.1:5 ../src/lzmainfo/lzmainfo.1:5 #: ../src/scripts/xzdiff.1:8 ../src/scripts/xzgrep.1:8 #: ../src/scripts/xzless.1:8 ../src/scripts/xzmore.1:8 #, no-wrap msgid "XZ Utils" msgstr "XZ-utilaĵoj" #. type: SH #: ../src/xz/xz.1:9 ../src/xzdec/xzdec.1:6 ../src/lzmainfo/lzmainfo.1:6 #: ../src/scripts/xzdiff.1:9 ../src/scripts/xzgrep.1:9 #: ../src/scripts/xzless.1:9 ../src/scripts/xzmore.1:9 #, no-wrap msgid "NAME" msgstr "NOMO" #. type: Plain text #: ../src/xz/xz.1:11 msgid "xz, unxz, xzcat, lzma, unlzma, lzcat - Compress or decompress .xz and .lzma files" msgstr "xz, unxz, xzcat, lzma, unlzma, lzcat - Kunpremi aŭ malkunpremi dosierojn .xz kaj .lzma " #. type: SH #: ../src/xz/xz.1:12 ../src/xzdec/xzdec.1:8 ../src/lzmainfo/lzmainfo.1:8 #: ../src/scripts/xzdiff.1:12 ../src/scripts/xzgrep.1:12 #: ../src/scripts/xzless.1:11 ../src/scripts/xzmore.1:12 #, no-wrap msgid "SYNOPSIS" msgstr "RESUMO" #. type: Plain text #: ../src/xz/xz.1:16 msgid "B [I] [I]" msgstr "B [I] [I]" #. type: SH #: ../src/xz/xz.1:17 #, no-wrap msgid "COMMAND ALIASES" msgstr "ALINOMOJ DE KOMANDOJ" #. type: Plain text #: ../src/xz/xz.1:21 msgid "B is equivalent to B." msgstr "B ekvivalentas al B." #. type: Plain text #: ../src/xz/xz.1:25 msgid "B is equivalent to B." msgstr "B ekvivalentas al B." #. type: Plain text #: ../src/xz/xz.1:29 msgid "B is equivalent to B." msgstr "B ekvivalentas al B." #. type: Plain text #: ../src/xz/xz.1:33 msgid "B is equivalent to B." msgstr "B ekvivalentas al B." #. type: Plain text #: ../src/xz/xz.1:37 msgid "B is equivalent to B." msgstr "B ekvivalentas al B." #. type: Plain text #: ../src/xz/xz.1:49 msgid "When writing scripts that need to decompress files, it is recommended to always use the name B with appropriate arguments (B or B) instead of the names B and B." msgstr "Dum skribi skriptojn, kiuj devas malkunpremi dosierojn, estas rekomendinde ĉiam uzi la nomon B kun la konvenaj parametroj (B or B) anstataŭ la nomojn B kaj B." #. type: SH #: ../src/xz/xz.1:50 ../src/xzdec/xzdec.1:16 ../src/lzmainfo/lzmainfo.1:13 #: ../src/scripts/xzdiff.1:27 ../src/scripts/xzgrep.1:33 #: ../src/scripts/xzless.1:17 ../src/scripts/xzmore.1:19 #, no-wrap msgid "DESCRIPTION" msgstr "PRISKRIBO" #. type: Plain text #: ../src/xz/xz.1:69 msgid "B is a general-purpose data compression tool with command line syntax similar to B(1) and B(1). The native file format is the B<.xz> format, but the legacy B<.lzma> format used by LZMA Utils and raw compressed streams with no container format headers are also supported. In addition, decompression of the B<.lz> format used by B is supported." msgstr "B estas ĉiucela datumkunpremilo kun komandlinia sintakso simila je B(1) kaj B(1). La indiĝena formato estas B<.xz>, sed la malmoderna formata B<.lzma> uzata de LZMA-utilaĵoj kaj krudaj kunpremitaj fluoj kun neniuj ĉapoj pri uja formato are ankaŭ estas komprenataj. Aldone, malkunpremo de la formato B<.lz> uzata de B estas komprenata." #. type: Plain text #: ../src/xz/xz.1:91 msgid "B compresses or decompresses each I according to the selected operation mode. If no I are given or I is B<->, B reads from standard input and writes the processed data to standard output. B will refuse (display an error and skip the I) to write compressed data to standard output if it is a terminal. Similarly, B will refuse to read compressed data from standard input if it is a terminal." msgstr "B kunpremas aŭ malkunpremas ĉiun laŭ la elektita operaciuma reĝimo. Se neniuj estas donitaj aŭ I estas B<->, B legas el la ĉefenigujo kaj skribas la traktitajn datumojn al la ĉefeligujo. B rifuzos (montri eraron kaj preterlasi la I) skribi kunpremitajn datumojn al la ĉefeligujo se ĝi estas terminala. Simile B rifuzos skribi kunpremitajn datumojn el la ĉefenigujoj se ĝi estas terminala." #. type: Plain text #: ../src/xz/xz.1:101 msgid "Unless B<--stdout> is specified, I other than B<-> are written to a new file whose name is derived from the source I name:" msgstr "jSe B<--stdout> ne estas specifita, I aliaj ol B<-> skribiĝas al nova dosiero, kies nomo estas derivita de la nomo de I:" #. type: IP #: ../src/xz/xz.1:101 ../src/xz/xz.1:107 ../src/xz/xz.1:132 ../src/xz/xz.1:137 #: ../src/xz/xz.1:140 ../src/xz/xz.1:143 ../src/xz/xz.1:159 ../src/xz/xz.1:420 #: ../src/xz/xz.1:423 ../src/xz/xz.1:430 ../src/xz/xz.1:675 ../src/xz/xz.1:677 #: ../src/xz/xz.1:776 ../src/xz/xz.1:787 ../src/xz/xz.1:796 ../src/xz/xz.1:802 #: ../src/xz/xz.1:965 ../src/xz/xz.1:969 ../src/xz/xz.1:973 ../src/xz/xz.1:977 #: ../src/xz/xz.1:981 ../src/xz/xz.1:983 ../src/xz/xz.1:1079 #: ../src/xz/xz.1:1088 ../src/xz/xz.1:1100 ../src/xz/xz.1:1837 #: ../src/xz/xz.1:1843 ../src/xz/xz.1:1884 ../src/xz/xz.1:1889 #: ../src/xz/xz.1:1904 ../src/xz/xz.1:1908 ../src/xz/xz.1:1986 #: ../src/xz/xz.1:1990 ../src/xz/xz.1:1993 ../src/xz/xz.1:1996 #: ../src/xz/xz.1:2000 ../src/xz/xz.1:2007 ../src/xz/xz.1:2009 #, no-wrap msgid "\\(bu" msgstr "\\(bu" #. type: Plain text #: ../src/xz/xz.1:107 msgid "When compressing, the suffix of the target file format (B<.xz> or B<.lzma>) is appended to the source filename to get the target filename." msgstr "Dum kunpremado la sufikso de la celdosiera formato (B<.xz> aŭ B<.lzma>) estas alfiksita al la fonta dosiero por determini la celan dosiernomon." #. type: Plain text #: ../src/xz/xz.1:122 msgid "When decompressing, the B<.xz>, B<.lzma>, or B<.lz> suffix is removed from the filename to get the target filename. B also recognizes the suffixes B<.txz> and B<.tlz>, and replaces them with the B<.tar> suffix." msgstr "Dum malkunpremado la sufikso B<.xz>, B<.lzma> aŭ B<.lza> estas forigita de la dosiero por determini la celan dosiernomon. B ankaŭ rekonas la sufiksojn B<.txz> kaj B<.tlz> kaj anstataŭigas ilin per la sufikso B<.tar>." #. type: Plain text #: ../src/xz/xz.1:126 msgid "If the target file already exists, an error is displayed and the I is skipped." msgstr "Se la cela dosiero jam ekzistas eraro estas montrita kaj la I estas preterlasita." #. type: Plain text #: ../src/xz/xz.1:132 msgid "Unless writing to standard output, B will display a warning and skip the I if any of the following applies:" msgstr "Escepte kiam skribi al la ĉefeligujo, B montros averton kaj preterlasos la I se iu ajn el la sekvaj pravas:" #. type: Plain text #: ../src/xz/xz.1:137 msgid "I is not a regular file. Symbolic links are not followed, and thus they are not considered to be regular files." msgstr "I ne estas regula dosiero. Simbolaj ligiloj ne estas sekvotaj kaj tiel ili ne estas konsiderataj regulaj dosieroj." #. type: Plain text #: ../src/xz/xz.1:140 msgid "I has more than one hard link." msgstr "I havas pli ol unu rektan ligilon." #. type: Plain text #: ../src/xz/xz.1:143 msgid "I has setuid, setgid, or sticky bit set." msgstr "Ĉe I estas aplikita setuid, setgui aŭ glubito." #. type: Plain text #: ../src/xz/xz.1:159 msgid "The operation mode is set to compress and the I already has a suffix of the target file format (B<.xz> or B<.txz> when compressing to the B<.xz> format, and B<.lzma> or B<.tlz> when compressing to the B<.lzma> format)." msgstr "" #. type: Plain text #: ../src/xz/xz.1:169 msgid "The operation mode is set to decompress and the I doesn't have a suffix of any of the supported file formats (B<.xz>, B<.txz>, B<.lzma>, B<.tlz>, or B<.lz>)." msgstr "" #. type: Plain text #: ../src/xz/xz.1:184 msgid "After successfully compressing or decompressing the I, B copies the owner, group, permissions, access time, and modification time from the source I to the target file. If copying the group fails, the permissions are modified so that the target file doesn't become accessible to users who didn't have permission to access the source I. B doesn't support copying other metadata like access control lists or extended attributes yet." msgstr "" #. type: Plain text #: ../src/xz/xz.1:194 msgid "Once the target file has been successfully closed, the source I is removed unless B<--keep> was specified. The source I is never removed if the output is written to standard output or if an error occurs." msgstr "" #. type: Plain text #: ../src/xz/xz.1:206 msgid "Sending B or B to the B process makes it print progress information to standard error. This has only limited use since when standard error is a terminal, using B<--verbose> will display an automatically updating progress indicator." msgstr "" #. type: SS #: ../src/xz/xz.1:207 #, no-wrap msgid "Memory usage" msgstr "Memoruzado" #. type: Plain text #: ../src/xz/xz.1:223 msgid "The memory usage of B varies from a few hundred kilobytes to several gigabytes depending on the compression settings. The settings used when compressing a file determine the memory requirements of the decompressor. Typically the decompressor needs 5\\ % to 20\\ % of the amount of memory that the compressor needed when creating the file. For example, decompressing a file created with B currently requires 65\\ MiB of memory. Still, it is possible to have B<.xz> files that require several gigabytes of memory to decompress." msgstr "" #. type: Plain text #: ../src/xz/xz.1:235 msgid "Especially users of older systems may find the possibility of very large memory usage annoying. To prevent uncomfortable surprises, B has a built-in memory usage limiter, which is disabled by default. While some operating systems provide ways to limit the memory usage of processes, relying on it wasn't deemed to be flexible enough (for example, using B(1) to limit virtual memory tends to cripple B(2))." msgstr "" #. type: Plain text #: ../src/xz/xz.1:257 msgid "The memory usage limiter can be enabled with the command line option B<--memlimit=>I. Often it is more convenient to enable the limiter by default by setting the environment variable B, for example, B. It is possible to set the limits separately for compression and decompression by using B<--memlimit-compress=>I and B<--memlimit-decompress=>I. Using these two options outside B is rarely useful because a single run of B cannot do both compression and decompression and B<--memlimit=>I (or B<-M> I) is shorter to type on the command line." msgstr "" #. type: Plain text #: ../src/xz/xz.1:276 msgid "If the specified memory usage limit is exceeded when decompressing, B will display an error and decompressing the file will fail. If the limit is exceeded when compressing, B will try to scale the settings down so that the limit is no longer exceeded (except when using B<--format=raw> or B<--no-adjust>). This way the operation won't fail unless the limit is very small. The scaling of the settings is done in steps that don't match the compression level presets, for example, if the limit is only slightly less than the amount required for B, the settings will be scaled down only a little, not all the way down to B." msgstr "" #. type: SS #: ../src/xz/xz.1:277 #, no-wrap msgid "Concatenation and padding with .xz files" msgstr "" #. type: Plain text #: ../src/xz/xz.1:285 msgid "It is possible to concatenate B<.xz> files as is. B will decompress such files as if they were a single B<.xz> file." msgstr "" #. type: Plain text #: ../src/xz/xz.1:294 msgid "It is possible to insert padding between the concatenated parts or after the last part. The padding must consist of null bytes and the size of the padding must be a multiple of four bytes. This can be useful, for example, if the B<.xz> file is stored on a medium that measures file sizes in 512-byte blocks." msgstr "" #. type: Plain text #: ../src/xz/xz.1:298 msgid "Concatenation and padding are not allowed with B<.lzma> files or raw streams." msgstr "" #. type: SH #: ../src/xz/xz.1:299 ../src/xzdec/xzdec.1:59 #, no-wrap msgid "OPTIONS" msgstr "ELEKTOJ" #. type: SS #: ../src/xz/xz.1:301 #, no-wrap msgid "Integer suffixes and special values" msgstr "Entjeraj sufiksoj kaj specialaj valoroj" #. type: Plain text #: ../src/xz/xz.1:305 msgid "In most places where an integer argument is expected, an optional suffix is supported to easily indicate large integers. There must be no space between the integer and the suffix." msgstr "" #. type: TP #: ../src/xz/xz.1:305 #, no-wrap msgid "B" msgstr "B" #. type: Plain text #: ../src/xz/xz.1:316 msgid "Multiply the integer by 1,024 (2^10). B, B, B, B, and B are accepted as synonyms for B." msgstr "Multipliku la entjeron per 1 024 (2^10). B, B, B, B, kaj B estas aprobitaj sinonimoj de B." #. type: TP #: ../src/xz/xz.1:316 #, no-wrap msgid "B" msgstr "B" #. type: Plain text #: ../src/xz/xz.1:326 msgid "Multiply the integer by 1,048,576 (2^20). B, B, B, and B are accepted as synonyms for B." msgstr "Multipliku la entjeron per 1 048 576 (2^20). B, B, B, kaj B estas aprobitaj sinonimoj de B." #. type: TP #: ../src/xz/xz.1:326 #, no-wrap msgid "B" msgstr "B" #. type: Plain text #: ../src/xz/xz.1:336 msgid "Multiply the integer by 1,073,741,824 (2^30). B, B, B, and B are accepted as synonyms for B." msgstr "Multipliku la entjeron per 1 073 741 824 (2^30). B, B, B, kaj B estas aprobitaj sinonimoj de B." #. type: Plain text #: ../src/xz/xz.1:341 msgid "The special value B can be used to indicate the maximum integer value supported by the option." msgstr "La specialan valoron B oni povas uzi por indiki la maksimuman entjeran valoron de la opcio." #. type: SS #: ../src/xz/xz.1:342 #, no-wrap msgid "Operation mode" msgstr "Operacia reĝimo" #. type: Plain text #: ../src/xz/xz.1:345 msgid "If multiple operation mode options are given, the last one takes effect." msgstr "Se pluraj opcioj por operacia reĝimo estas donitaj, la lasta uziĝas." #. type: TP #: ../src/xz/xz.1:345 #, no-wrap msgid "B<-z>, B<--compress>" msgstr "B<-z>, B<--compress>" #. type: Plain text #: ../src/xz/xz.1:354 msgid "Compress. This is the default operation mode when no operation mode option is specified and no other operation mode is implied from the command name (for example, B implies B<--decompress>)." msgstr "" #. type: TP #: ../src/xz/xz.1:354 ../src/xzdec/xzdec.1:60 #, no-wrap msgid "B<-d>, B<--decompress>, B<--uncompress>" msgstr "B<-d>, B<--decompress>, B<--uncompress>" #. type: Plain text #: ../src/xz/xz.1:357 msgid "Decompress." msgstr "Malkunpremi." #. type: TP #: ../src/xz/xz.1:357 #, no-wrap msgid "B<-t>, B<--test>" msgstr "B<-t>, B<--test>" #. type: Plain text #: ../src/xz/xz.1:366 msgid "Test the integrity of compressed I. This option is equivalent to B<--decompress --stdout> except that the decompressed data is discarded instead of being written to standard output. No files are created or removed." msgstr "" #. type: TP #: ../src/xz/xz.1:366 #, no-wrap msgid "B<-l>, B<--list>" msgstr "B<-l>, B<--list>" #. type: Plain text #: ../src/xz/xz.1:375 msgid "Print information about compressed I. No uncompressed output is produced, and no files are created or removed. In list mode, the program cannot read the compressed data from standard input or from other unseekable sources." msgstr "" #. type: Plain text #: ../src/xz/xz.1:390 msgid "The default listing shows basic information about I, one file per line. To get more detailed information, use also the B<--verbose> option. For even more information, use B<--verbose> twice, but note that this may be slow, because getting all the extra information requires many seeks. The width of verbose output exceeds 80 characters, so piping the output to, for example, B may be convenient if the terminal isn't wide enough." msgstr "" #. type: Plain text #: ../src/xz/xz.1:397 msgid "The exact output may vary between B versions and different locales. For machine-readable output, B<--robot --list> should be used." msgstr "" #. type: SS #: ../src/xz/xz.1:398 #, no-wrap msgid "Operation modifiers" msgstr "Operaciaj modifiloj" #. type: TP #: ../src/xz/xz.1:399 ../src/xzdec/xzdec.1:67 #, no-wrap msgid "B<-k>, B<--keep>" msgstr "B<-k>, B<--keep>" #. type: Plain text #: ../src/xz/xz.1:402 msgid "Don't delete the input files." msgstr "Ne forigu la enigajn dosierojn." #. type: Plain text #: ../src/xz/xz.1:416 msgid "Since B 5.2.6, this option also makes B compress or decompress even if the input is a symbolic link to a regular file, has more than one hard link, or has the setuid, setgid, or sticky bit set. The setuid, setgid, and sticky bits are not copied to the target file. In earlier versions this was only done with B<--force>." msgstr "" #. type: TP #: ../src/xz/xz.1:416 #, no-wrap msgid "B<-f>, B<--force>" msgstr "B<-f>, B<--force>" #. type: Plain text #: ../src/xz/xz.1:419 msgid "This option has several effects:" msgstr "Ĉi tiuj opcio havas plurajn efikojn:" #. type: Plain text #: ../src/xz/xz.1:423 msgid "If the target file already exists, delete it before compressing or decompressing." msgstr "" #. type: Plain text #: ../src/xz/xz.1:430 msgid "Compress or decompress even if the input is a symbolic link to a regular file, has more than one hard link, or has the setuid, setgid, or sticky bit set. The setuid, setgid, and sticky bits are not copied to the target file." msgstr "" #. type: Plain text #: ../src/xz/xz.1:455 msgid "When used with B<--decompress> B<--stdout> and B cannot recognize the type of the source file, copy the source file as is to standard output. This allows B B<--force> to be used like B(1) for files that have not been compressed with B. Note that in future, B might support new compressed file formats, which may make B decompress more types of files instead of copying them as is to standard output. B<--format=>I can be used to restrict B to decompress only a single file format." msgstr "" #. type: TP #: ../src/xz/xz.1:456 ../src/xzdec/xzdec.1:74 #, no-wrap msgid "B<-c>, B<--stdout>, B<--to-stdout>" msgstr "" #. type: Plain text #: ../src/xz/xz.1:462 msgid "Write the compressed or decompressed data to standard output instead of a file. This implies B<--keep>." msgstr "" #. type: TP #: ../src/xz/xz.1:462 #, no-wrap msgid "B<--single-stream>" msgstr "" #. type: Plain text #: ../src/xz/xz.1:471 msgid "Decompress only the first B<.xz> stream, and silently ignore possible remaining input data following the stream. Normally such trailing garbage makes B display an error." msgstr "" #. type: Plain text #: ../src/xz/xz.1:480 msgid "B never decompresses more than one stream from B<.lzma> files or raw streams, but this option still makes B ignore the possible trailing data after the B<.lzma> file or raw stream." msgstr "" #. type: Plain text #: ../src/xz/xz.1:485 msgid "This option has no effect if the operation mode is not B<--decompress> or B<--test>." msgstr "" #. type: TP #: ../src/xz/xz.1:485 #, no-wrap msgid "B<--no-sparse>" msgstr "" #. type: Plain text #: ../src/xz/xz.1:497 msgid "Disable creation of sparse files. By default, if decompressing into a regular file, B tries to make the file sparse if the decompressed data contains long sequences of binary zeros. It also works when writing to standard output as long as standard output is connected to a regular file and certain additional conditions are met to make it safe. Creating sparse files may save disk space and speed up the decompression by reducing the amount of disk I/O." msgstr "" #. type: TP #: ../src/xz/xz.1:497 #, no-wrap msgid "B<-S> I<.suf>, B<--suffix=>I<.suf>" msgstr "" #. type: Plain text #: ../src/xz/xz.1:509 msgid "When compressing, use I<.suf> as the suffix for the target file instead of B<.xz> or B<.lzma>. If not writing to standard output and the source file already has the suffix I<.suf>, a warning is displayed and the file is skipped." msgstr "" #. type: Plain text #: ../src/xz/xz.1:523 msgid "When decompressing, recognize files with the suffix I<.suf> in addition to files with the B<.xz>, B<.txz>, B<.lzma>, B<.tlz>, or B<.lz> suffix. If the source file has the suffix I<.suf>, the suffix is removed to get the target filename." msgstr "" #. type: Plain text #: ../src/xz/xz.1:529 msgid "When compressing or decompressing raw streams (B<--format=raw>), the suffix must always be specified unless writing to standard output, because there is no default suffix for raw streams." msgstr "" #. type: TP #: ../src/xz/xz.1:529 #, no-wrap msgid "B<--files>[B<=>I]" msgstr "" #. type: Plain text #: ../src/xz/xz.1:543 msgid "Read the filenames to process from I; if I is omitted, filenames are read from standard input. Filenames must be terminated with the newline character. A dash (B<->) is taken as a regular filename; it doesn't mean standard input. If filenames are given also as command line arguments, they are processed before the filenames read from I." msgstr "" #. type: TP #: ../src/xz/xz.1:543 #, no-wrap msgid "B<--files0>[B<=>I]" msgstr "" #. type: Plain text #: ../src/xz/xz.1:547 msgid "This is identical to B<--files>[B<=>I] except that each filename must be terminated with the null character." msgstr "" #. type: SS #: ../src/xz/xz.1:548 #, no-wrap msgid "Basic file format and compression options" msgstr "" #. type: TP #: ../src/xz/xz.1:549 #, no-wrap msgid "B<-F> I, B<--format=>I" msgstr "" #. type: Plain text #: ../src/xz/xz.1:554 msgid "Specify the file I to compress or decompress:" msgstr "" #. type: TP #: ../src/xz/xz.1:555 #, no-wrap msgid "B" msgstr "" #. type: Plain text #: ../src/xz/xz.1:567 msgid "This is the default. When compressing, B is equivalent to B. When decompressing, the format of the input file is automatically detected. Note that raw streams (created with B<--format=raw>) cannot be auto-detected." msgstr "" #. type: TP #: ../src/xz/xz.1:567 #, no-wrap msgid "B" msgstr "" #. type: Plain text #: ../src/xz/xz.1:574 msgid "Compress to the B<.xz> file format, or accept only B<.xz> files when decompressing." msgstr "" #. type: TP #: ../src/xz/xz.1:574 #, no-wrap msgid "B, B" msgstr "" #. type: Plain text #: ../src/xz/xz.1:584 msgid "Compress to the legacy B<.lzma> file format, or accept only B<.lzma> files when decompressing. The alternative name B is provided for backwards compatibility with LZMA Utils." msgstr "" #. type: TP #: ../src/xz/xz.1:584 #, no-wrap msgid "B" msgstr "" #. type: Plain text #: ../src/xz/xz.1:590 msgid "Accept only B<.lz> files when decompressing. Compression is not supported." msgstr "" #. type: Plain text #: ../src/xz/xz.1:603 msgid "The B<.lz> format version 0 and the unextended version 1 are supported. Version 0 files were produced by B 1.3 and older. Such files aren't common but may be found from file archives as a few source packages were released in this format. People might have old personal files in this format too. Decompression support for the format version 0 was removed in B 1.18." msgstr "" #. type: Plain text #: ../src/xz/xz.1:612 msgid "B 1.4 and later create files in the format version 1. The sync flush marker extension to the format version 1 was added in B 1.6. This extension is rarely used and isn't supported by B (diagnosed as corrupt input)." msgstr "" #. type: TP #: ../src/xz/xz.1:612 #, no-wrap msgid "B" msgstr "" #. type: Plain text #: ../src/xz/xz.1:620 msgid "Compress or uncompress a raw stream (no headers). This is meant for advanced users only. To decode raw streams, you need use B<--format=raw> and explicitly specify the filter chain, which normally would have been stored in the container headers." msgstr "" #. type: TP #: ../src/xz/xz.1:621 #, no-wrap msgid "B<-C> I, B<--check=>I" msgstr "" #. type: Plain text #: ../src/xz/xz.1:636 msgid "Specify the type of the integrity check. The check is calculated from the uncompressed data and stored in the B<.xz> file. This option has an effect only when compressing into the B<.xz> format; the B<.lzma> format doesn't support integrity checks. The integrity check (if any) is verified when the B<.xz> file is decompressed." msgstr "" #. type: Plain text #: ../src/xz/xz.1:640 msgid "Supported I types:" msgstr "" #. type: TP #: ../src/xz/xz.1:641 #, no-wrap msgid "B" msgstr "" #. type: Plain text #: ../src/xz/xz.1:647 msgid "Don't calculate an integrity check at all. This is usually a bad idea. This can be useful when integrity of the data is verified by other means anyway." msgstr "" #. type: TP #: ../src/xz/xz.1:647 #, no-wrap msgid "B" msgstr "" #. type: Plain text #: ../src/xz/xz.1:650 msgid "Calculate CRC32 using the polynomial from IEEE-802.3 (Ethernet)." msgstr "" #. type: TP #: ../src/xz/xz.1:650 #, no-wrap msgid "B" msgstr "" #. type: Plain text #: ../src/xz/xz.1:655 msgid "Calculate CRC64 using the polynomial from ECMA-182. This is the default, since it is slightly better than CRC32 at detecting damaged files and the speed difference is negligible." msgstr "" #. type: TP #: ../src/xz/xz.1:655 #, no-wrap msgid "B" msgstr "" #. type: Plain text #: ../src/xz/xz.1:659 msgid "Calculate SHA-256. This is somewhat slower than CRC32 and CRC64." msgstr "" #. type: Plain text #: ../src/xz/xz.1:665 msgid "Integrity of the B<.xz> headers is always verified with CRC32. It is not possible to change or disable it." msgstr "" #. type: TP #: ../src/xz/xz.1:665 #, no-wrap msgid "B<--ignore-check>" msgstr "" #. type: Plain text #: ../src/xz/xz.1:671 msgid "Don't verify the integrity check of the compressed data when decompressing. The CRC32 values in the B<.xz> headers will still be verified normally." msgstr "" #. type: Plain text #: ../src/xz/xz.1:674 msgid "B Possible reasons to use this option:" msgstr "" #. type: Plain text #: ../src/xz/xz.1:677 msgid "Trying to recover data from a corrupt .xz file." msgstr "" #. type: Plain text #: ../src/xz/xz.1:683 msgid "Speeding up decompression. This matters mostly with SHA-256 or with files that have compressed extremely well. It's recommended to not use this option for this purpose unless the file integrity is verified externally in some other way." msgstr "" #. type: TP #: ../src/xz/xz.1:684 #, no-wrap msgid "B<-0> ... B<-9>" msgstr "" #. type: Plain text #: ../src/xz/xz.1:693 msgid "Select a compression preset level. The default is B<-6>. If multiple preset levels are specified, the last one takes effect. If a custom filter chain was already specified, setting a compression preset level clears the custom filter chain." msgstr "" #. type: Plain text #: ../src/xz/xz.1:708 msgid "The differences between the presets are more significant than with B(1) and B(1). The selected compression settings determine the memory requirements of the decompressor, thus using a too high preset level might make it painful to decompress the file on an old system with little RAM. Specifically, B like it often is with B(1) and B(1)." msgstr "" #. type: TP #: ../src/xz/xz.1:709 #, no-wrap msgid "B<-0> ... B<-3>" msgstr "" #. type: Plain text #: ../src/xz/xz.1:721 msgid "These are somewhat fast presets. B<-0> is sometimes faster than B while compressing much better. The higher ones often have speed comparable to B(1) with comparable or better compression ratio, although the results depend a lot on the type of data being compressed." msgstr "" #. type: TP #: ../src/xz/xz.1:721 #, no-wrap msgid "B<-4> ... B<-6>" msgstr "" #. type: Plain text #: ../src/xz/xz.1:735 msgid "Good to very good compression while keeping decompressor memory usage reasonable even for old systems. B<-6> is the default, which is usually a good choice for distributing files that need to be decompressible even on systems with only 16\\ MiB RAM. (B<-5e> or B<-6e> may be worth considering too. See B<--extreme>.)" msgstr "" #. type: TP #: ../src/xz/xz.1:735 #, no-wrap msgid "B<-7 ... -9>" msgstr "" #. type: Plain text #: ../src/xz/xz.1:742 msgid "These are like B<-6> but with higher compressor and decompressor memory requirements. These are useful only when compressing files bigger than 8\\ MiB, 16\\ MiB, and 32\\ MiB, respectively." msgstr "" #. type: Plain text #: ../src/xz/xz.1:750 msgid "On the same hardware, the decompression speed is approximately a constant number of bytes of compressed data per second. In other words, the better the compression, the faster the decompression will usually be. This also means that the amount of uncompressed output produced per second can vary a lot." msgstr "" #. type: Plain text #: ../src/xz/xz.1:752 msgid "The following table summarises the features of the presets:" msgstr "" #. type: tbl table #: ../src/xz/xz.1:759 ../src/xz/xz.1:847 ../src/xz/xz.1:3000 #, no-wrap msgid "Preset" msgstr "" #. type: tbl table #: ../src/xz/xz.1:759 ../src/xz/xz.1:847 #, no-wrap msgid "DictSize" msgstr "" #. type: tbl table #: ../src/xz/xz.1:759 ../src/xz/xz.1:847 ../src/xz/xz.1:3000 #, no-wrap msgid "CompCPU" msgstr "" #. type: tbl table #: ../src/xz/xz.1:759 ../src/xz/xz.1:847 #, no-wrap msgid "CompMem" msgstr "" #. type: tbl table #: ../src/xz/xz.1:759 ../src/xz/xz.1:847 #, no-wrap msgid "DecMem" msgstr "" #. type: tbl table #: ../src/xz/xz.1:760 ../src/xz/xz.1:2611 ../src/xz/xz.1:2636 #: ../src/xz/xz.1:3001 #, no-wrap msgid "-0" msgstr "" #. type: tbl table #: ../src/xz/xz.1:760 ../src/xz/xz.1:848 ../src/xz/xz.1:2611 #, no-wrap msgid "256 KiB" msgstr "" #. type: TP #: ../src/xz/xz.1:760 ../src/xz/xz.1:3001 ../src/scripts/xzgrep.1:111 #, no-wrap msgid "0" msgstr "" #. type: tbl table #: ../src/xz/xz.1:760 ../src/xz/xz.1:762 ../src/xz/xz.1:850 ../src/xz/xz.1:2636 #, no-wrap msgid "3 MiB" msgstr "" #. type: tbl table #: ../src/xz/xz.1:760 ../src/xz/xz.1:761 ../src/xz/xz.1:848 ../src/xz/xz.1:849 #: ../src/xz/xz.1:2612 ../src/xz/xz.1:2613 ../src/xz/xz.1:2615 #, no-wrap msgid "1 MiB" msgstr "" #. type: tbl table #: ../src/xz/xz.1:761 ../src/xz/xz.1:2612 ../src/xz/xz.1:2637 #: ../src/xz/xz.1:3002 #, no-wrap msgid "-1" msgstr "" #. type: TP #: ../src/xz/xz.1:761 ../src/xz/xz.1:1866 ../src/xz/xz.1:3002 #: ../src/scripts/xzgrep.1:115 #, no-wrap msgid "1" msgstr "" #. type: tbl table #: ../src/xz/xz.1:761 ../src/xz/xz.1:765 ../src/xz/xz.1:766 ../src/xz/xz.1:853 #: ../src/xz/xz.1:854 ../src/xz/xz.1:2637 #, no-wrap msgid "9 MiB" msgstr "" #. type: tbl table #: ../src/xz/xz.1:761 ../src/xz/xz.1:762 ../src/xz/xz.1:849 ../src/xz/xz.1:850 #: ../src/xz/xz.1:2613 ../src/xz/xz.1:2616 ../src/xz/xz.1:2637 #, no-wrap msgid "2 MiB" msgstr "" #. type: tbl table #: ../src/xz/xz.1:762 ../src/xz/xz.1:2613 ../src/xz/xz.1:2638 #: ../src/xz/xz.1:3003 #, no-wrap msgid "-2" msgstr "" #. type: tbl table #: ../src/xz/xz.1:762 ../src/xz/xz.1:1868 ../src/xz/xz.1:1873 #: ../src/xz/xz.1:3003 #, no-wrap msgid "2" msgstr "" #. type: tbl table #: ../src/xz/xz.1:762 ../src/xz/xz.1:767 ../src/xz/xz.1:855 ../src/xz/xz.1:2638 #, no-wrap msgid "17 MiB" msgstr "" #. type: tbl table #: ../src/xz/xz.1:763 ../src/xz/xz.1:2614 ../src/xz/xz.1:2639 #: ../src/xz/xz.1:3004 #, no-wrap msgid "-3" msgstr "" #. type: tbl table #: ../src/xz/xz.1:763 ../src/xz/xz.1:764 ../src/xz/xz.1:848 ../src/xz/xz.1:851 #: ../src/xz/xz.1:852 ../src/xz/xz.1:2614 ../src/xz/xz.1:2615 #: ../src/xz/xz.1:2617 #, no-wrap msgid "4 MiB" msgstr "" #. type: tbl table #: ../src/xz/xz.1:763 ../src/xz/xz.1:3004 #, no-wrap msgid "3" msgstr "" #. type: tbl table #: ../src/xz/xz.1:763 ../src/xz/xz.1:768 ../src/xz/xz.1:856 ../src/xz/xz.1:2619 #: ../src/xz/xz.1:2620 ../src/xz/xz.1:2639 #, no-wrap msgid "32 MiB" msgstr "" #. type: tbl table #: ../src/xz/xz.1:763 ../src/xz/xz.1:764 ../src/xz/xz.1:851 ../src/xz/xz.1:852 #, no-wrap msgid "5 MiB" msgstr "" #. type: tbl table #: ../src/xz/xz.1:764 ../src/xz/xz.1:2615 ../src/xz/xz.1:2640 #: ../src/xz/xz.1:3005 #, no-wrap msgid "-4" msgstr "" #. type: tbl table #: ../src/xz/xz.1:764 ../src/xz/xz.1:1867 ../src/xz/xz.1:1869 #: ../src/xz/xz.1:1870 ../src/xz/xz.1:1872 ../src/xz/xz.1:3005 #, no-wrap msgid "4" msgstr "" #. type: tbl table #: ../src/xz/xz.1:764 ../src/xz/xz.1:851 ../src/xz/xz.1:852 ../src/xz/xz.1:2640 #, no-wrap msgid "48 MiB" msgstr "" #. type: tbl table #: ../src/xz/xz.1:765 ../src/xz/xz.1:2616 ../src/xz/xz.1:2641 #: ../src/xz/xz.1:3006 #, no-wrap msgid "-5" msgstr "" #. type: tbl table #: ../src/xz/xz.1:765 ../src/xz/xz.1:766 ../src/xz/xz.1:853 ../src/xz/xz.1:854 #: ../src/xz/xz.1:2616 ../src/xz/xz.1:2617 ../src/xz/xz.1:2618 #, no-wrap msgid "8 MiB" msgstr "" #. type: tbl table #: ../src/xz/xz.1:765 ../src/xz/xz.1:3006 #, no-wrap msgid "5" msgstr "" #. type: tbl table #: ../src/xz/xz.1:765 ../src/xz/xz.1:766 ../src/xz/xz.1:853 ../src/xz/xz.1:854 #: ../src/xz/xz.1:2641 ../src/xz/xz.1:2642 #, no-wrap msgid "94 MiB" msgstr "" #. type: tbl table #: ../src/xz/xz.1:766 ../src/xz/xz.1:2617 ../src/xz/xz.1:2642 #: ../src/xz/xz.1:3007 #, no-wrap msgid "-6" msgstr "" #. type: tbl table #: ../src/xz/xz.1:766 ../src/xz/xz.1:767 ../src/xz/xz.1:768 ../src/xz/xz.1:769 #: ../src/xz/xz.1:3007 #, no-wrap msgid "6" msgstr "" #. type: tbl table #: ../src/xz/xz.1:767 ../src/xz/xz.1:2618 ../src/xz/xz.1:2643 #, no-wrap msgid "-7" msgstr "" #. type: tbl table #: ../src/xz/xz.1:767 ../src/xz/xz.1:855 ../src/xz/xz.1:2618 #: ../src/xz/xz.1:2619 ../src/xz/xz.1:2640 #, no-wrap msgid "16 MiB" msgstr "" #. type: tbl table #: ../src/xz/xz.1:767 ../src/xz/xz.1:855 ../src/xz/xz.1:2643 #, no-wrap msgid "186 MiB" msgstr "" #. type: tbl table #: ../src/xz/xz.1:768 ../src/xz/xz.1:2619 ../src/xz/xz.1:2644 #, no-wrap msgid "-8" msgstr "" #. type: tbl table #: ../src/xz/xz.1:768 ../src/xz/xz.1:856 ../src/xz/xz.1:2644 #, no-wrap msgid "370 MiB" msgstr "" #. type: tbl table #: ../src/xz/xz.1:768 ../src/xz/xz.1:856 #, no-wrap msgid "33 MiB" msgstr "" #. type: tbl table #: ../src/xz/xz.1:769 ../src/xz/xz.1:2620 ../src/xz/xz.1:2645 #, no-wrap msgid "-9" msgstr "" #. type: tbl table #: ../src/xz/xz.1:769 ../src/xz/xz.1:857 ../src/xz/xz.1:2620 #, no-wrap msgid "64 MiB" msgstr "" #. type: tbl table #: ../src/xz/xz.1:769 ../src/xz/xz.1:857 ../src/xz/xz.1:2645 #, no-wrap msgid "674 MiB" msgstr "" #. type: tbl table #: ../src/xz/xz.1:769 ../src/xz/xz.1:857 #, no-wrap msgid "65 MiB" msgstr "" #. type: Plain text #: ../src/xz/xz.1:775 msgid "Column descriptions:" msgstr "" #. type: Plain text #: ../src/xz/xz.1:787 msgid "DictSize is the LZMA2 dictionary size. It is waste of memory to use a dictionary bigger than the size of the uncompressed file. This is why it is good to avoid using the presets B<-7> ... B<-9> when there's no real need for them. At B<-6> and lower, the amount of memory wasted is usually low enough to not matter." msgstr "" #. type: Plain text #: ../src/xz/xz.1:796 msgid "CompCPU is a simplified representation of the LZMA2 settings that affect compression speed. The dictionary size affects speed too, so while CompCPU is the same for levels B<-6> ... B<-9>, higher levels still tend to be a little slower. To get even slower and thus possibly better compression, see B<--extreme>." msgstr "" #. type: Plain text #: ../src/xz/xz.1:802 msgid "CompMem contains the compressor memory requirements in the single-threaded mode. It may vary slightly between B versions." msgstr "" #. type: Plain text #: ../src/xz/xz.1:809 msgid "DecMem contains the decompressor memory requirements. That is, the compression settings determine the memory requirements of the decompressor. The exact decompressor memory usage is slightly more than the LZMA2 dictionary size, but the values in the table have been rounded up to the next full MiB." msgstr "" #. type: Plain text #: ../src/xz/xz.1:819 msgid "Memory requirements of the multi-threaded mode are significantly higher than that of the single-threaded mode. With the default value of B<--block-size>, each thread needs 3*3*DictSize plus CompMem or DecMem. For example, four threads with preset B<-6> needs 660\\(en670\\ MiB of memory." msgstr "" #. type: TP #: ../src/xz/xz.1:819 #, no-wrap msgid "B<-e>, B<--extreme>" msgstr "" #. type: Plain text #: ../src/xz/xz.1:828 msgid "Use a slower variant of the selected compression preset level (B<-0> ... B<-9>) to hopefully get a little bit better compression ratio, but with bad luck this can also make it worse. Decompressor memory usage is not affected, but compressor memory usage increases a little at preset levels B<-0> ... B<-3>." msgstr "" #. type: Plain text #: ../src/xz/xz.1:840 msgid "Since there are two presets with dictionary sizes 4\\ MiB and 8\\ MiB, the presets B<-3e> and B<-5e> use slightly faster settings (lower CompCPU) than B<-4e> and B<-6e>, respectively. That way no two presets are identical." msgstr "" #. type: tbl table #: ../src/xz/xz.1:848 #, no-wrap msgid "-0e" msgstr "" #. type: tbl table #: ../src/xz/xz.1:848 ../src/xz/xz.1:849 ../src/xz/xz.1:850 ../src/xz/xz.1:852 #: ../src/xz/xz.1:854 ../src/xz/xz.1:855 ../src/xz/xz.1:856 ../src/xz/xz.1:857 #: ../src/xz/xz.1:3009 #, no-wrap msgid "8" msgstr "" #. type: tbl table #: ../src/xz/xz.1:849 #, no-wrap msgid "-1e" msgstr "" #. type: tbl table #: ../src/xz/xz.1:849 #, no-wrap msgid "13 MiB" msgstr "" #. type: tbl table #: ../src/xz/xz.1:850 #, no-wrap msgid "-2e" msgstr "" #. type: tbl table #: ../src/xz/xz.1:850 #, no-wrap msgid "25 MiB" msgstr "" #. type: tbl table #: ../src/xz/xz.1:851 #, no-wrap msgid "-3e" msgstr "" #. type: tbl table #: ../src/xz/xz.1:851 ../src/xz/xz.1:853 ../src/xz/xz.1:3008 #, no-wrap msgid "7" msgstr "" #. type: tbl table #: ../src/xz/xz.1:852 #, no-wrap msgid "-4e" msgstr "" #. type: tbl table #: ../src/xz/xz.1:853 ../src/xz/xz.1:3008 #, no-wrap msgid "-5e" msgstr "" #. type: tbl table #: ../src/xz/xz.1:854 ../src/xz/xz.1:3009 #, no-wrap msgid "-6e" msgstr "" #. type: tbl table #: ../src/xz/xz.1:855 #, no-wrap msgid "-7e" msgstr "" #. type: tbl table #: ../src/xz/xz.1:856 #, no-wrap msgid "-8e" msgstr "" #. type: tbl table #: ../src/xz/xz.1:857 #, no-wrap msgid "-9e" msgstr "" #. type: Plain text #: ../src/xz/xz.1:869 msgid "For example, there are a total of four presets that use 8\\ MiB dictionary, whose order from the fastest to the slowest is B<-5>, B<-6>, B<-5e>, and B<-6e>." msgstr "" #. type: TP #: ../src/xz/xz.1:869 #, no-wrap msgid "B<--fast>" msgstr "" #. type: TP #: ../src/xz/xz.1:872 #, no-wrap msgid "B<--best>" msgstr "" #. type: Plain text #: ../src/xz/xz.1:883 msgid "These are somewhat misleading aliases for B<-0> and B<-9>, respectively. These are provided only for backwards compatibility with LZMA Utils. Avoid using these options." msgstr "" #. type: TP #: ../src/xz/xz.1:883 #, no-wrap msgid "B<--block-size=>I" msgstr "" #. type: Plain text #: ../src/xz/xz.1:896 msgid "When compressing to the B<.xz> format, split the input data into blocks of I bytes. The blocks are compressed independently from each other, which helps with multi-threading and makes limited random-access decompression possible. This option is typically used to override the default block size in multi-threaded mode, but this option can be used in single-threaded mode too." msgstr "" #. type: Plain text #: ../src/xz/xz.1:913 msgid "In multi-threaded mode about three times I bytes will be allocated in each thread for buffering input and output. The default I is three times the LZMA2 dictionary size or 1 MiB, whichever is more. Typically a good value is 2\\(en4 times the size of the LZMA2 dictionary or at least 1 MiB. Using I less than the LZMA2 dictionary size is waste of RAM because then the LZMA2 dictionary buffer will never get fully used. In multi-threaded mode, the sizes of the blocks are stored in the block headers. This size information is required for multi-threaded decompression." msgstr "" #. type: Plain text #: ../src/xz/xz.1:922 msgid "In single-threaded mode no block splitting is done by default. Setting this option doesn't affect memory usage. No size information is stored in block headers, thus files created in single-threaded mode won't be identical to files created in multi-threaded mode. The lack of size information also means that B won't be able decompress the files in multi-threaded mode." msgstr "" #. type: TP #: ../src/xz/xz.1:922 #, no-wrap msgid "B<--block-list=>I" msgstr "" #. type: Plain text #: ../src/xz/xz.1:928 msgid "When compressing to the B<.xz> format, start a new block with an optional custom filter chain after the given intervals of uncompressed data." msgstr "" #. type: Plain text #: ../src/xz/xz.1:938 msgid "The I are a comma-separated list. Each item consists of an optional filter chain number between 0 and 9 followed by a colon (B<:>) and a required size of uncompressed data. Omitting an item (two or more consecutive commas) is a shorthand to use the size and filters of the previous item." msgstr "" #. type: Plain text #: ../src/xz/xz.1:947 msgid "If the input file is bigger than the sum of the sizes in I, the last item is repeated until the end of the file. A special value of B<0> may be used as the last size to indicate that the rest of the file should be encoded as a single block." msgstr "" #. type: Plain text #: ../src/xz/xz.1:964 msgid "An alternative filter chain for each block can be specified in combination with the B<--filters1=>I \\&...\\& B<--filters9=>I options. These options define filter chains with an identifier between 1\\(en9. Filter chain 0 can be used to refer to the default filter chain, which is the same as not specifying a filter chain. The filter chain identifier can be used before the uncompressed size, followed by a colon (B<:>). For example, if one specifies B<--block-list=1:2MiB,3:2MiB,2:4MiB,,2MiB,0:4MiB> then blocks will be created using:" msgstr "" #. type: Plain text #: ../src/xz/xz.1:969 msgid "The filter chain specified by B<--filters1> and 2 MiB input" msgstr "" #. type: Plain text #: ../src/xz/xz.1:973 msgid "The filter chain specified by B<--filters3> and 2 MiB input" msgstr "" #. type: Plain text #: ../src/xz/xz.1:977 ../src/xz/xz.1:981 msgid "The filter chain specified by B<--filters2> and 4 MiB input" msgstr "" #. type: Plain text #: ../src/xz/xz.1:983 msgid "The default filter chain and 2 MiB input" msgstr "" #. type: Plain text #: ../src/xz/xz.1:986 msgid "The default filter chain and 4 MiB input for every block until end of input." msgstr "" #. type: Plain text #: ../src/xz/xz.1:1000 msgid "If one specifies a size that exceeds the encoder's block size (either the default value in threaded mode or the value specified with B<--block-size=>I), the encoder will create additional blocks while keeping the boundaries specified in I. For example, if one specifies B<--block-size=10MiB> B<--block-list=5MiB,10MiB,8MiB,12MiB,24MiB> and the input file is 80 MiB, one will get 11 blocks: 5, 10, 8, 10, 2, 10, 10, 4, 10, 10, and 1 MiB." msgstr "" #. type: Plain text #: ../src/xz/xz.1:1006 msgid "In multi-threaded mode the sizes of the blocks are stored in the block headers. This isn't done in single-threaded mode, so the encoded output won't be identical to that of the multi-threaded mode." msgstr "" #. type: TP #: ../src/xz/xz.1:1006 #, no-wrap msgid "B<--flush-timeout=>I" msgstr "" #. type: Plain text #: ../src/xz/xz.1:1023 msgid "When compressing, if more than I milliseconds (a positive integer) has passed since the previous flush and reading more input would block, all the pending input data is flushed from the encoder and made available in the output stream. This can be useful if B is used to compress data that is streamed over a network. Small I values make the data available at the receiving end with a small delay, but large I values give better compression ratio." msgstr "" #. type: Plain text #: ../src/xz/xz.1:1031 msgid "This feature is disabled by default. If this option is specified more than once, the last one takes effect. The special I value of B<0> can be used to explicitly disable this feature." msgstr "" #. type: Plain text #: ../src/xz/xz.1:1033 msgid "This feature is not available on non-POSIX systems." msgstr "" #. FIXME #. type: Plain text #: ../src/xz/xz.1:1041 msgid "B Currently B is unsuitable for decompressing the stream in real time due to how B does buffering." msgstr "" #. type: TP #: ../src/xz/xz.1:1041 #, no-wrap msgid "B<--memlimit-compress=>I" msgstr "" #. type: Plain text #: ../src/xz/xz.1:1046 msgid "Set a memory usage limit for compression. If this option is specified multiple times, the last one takes effect." msgstr "" #. type: Plain text #: ../src/xz/xz.1:1059 msgid "If the compression settings exceed the I, B will attempt to adjust the settings downwards so that the limit is no longer exceeded and display a notice that automatic adjustment was done. The adjustments are done in this order: reducing the number of threads, switching to single-threaded mode if even one thread in multi-threaded mode exceeds the I, and finally reducing the LZMA2 dictionary size." msgstr "" #. type: Plain text #: ../src/xz/xz.1:1067 msgid "When compressing with B<--format=raw> or if B<--no-adjust> has been specified, only the number of threads may be reduced since it can be done without affecting the compressed output." msgstr "" #. type: Plain text #: ../src/xz/xz.1:1074 msgid "If the I cannot be met even with the adjustments described above, an error is displayed and B will exit with exit status 1." msgstr "" #. type: Plain text #: ../src/xz/xz.1:1078 msgid "The I can be specified in multiple ways:" msgstr "" #. type: Plain text #: ../src/xz/xz.1:1088 msgid "The I can be an absolute value in bytes. Using an integer suffix like B can be useful. Example: B<--memlimit-compress=80MiB>" msgstr "" #. type: Plain text #: ../src/xz/xz.1:1100 msgid "The I can be specified as a percentage of total physical memory (RAM). This can be useful especially when setting the B environment variable in a shell initialization script that is shared between different computers. That way the limit is automatically bigger on systems with more memory. Example: B<--memlimit-compress=70%>" msgstr "" #. type: Plain text #: ../src/xz/xz.1:1110 msgid "The I can be reset back to its default value by setting it to B<0>. This is currently equivalent to setting the I to B (no memory usage limit)." msgstr "" #. type: Plain text #: ../src/xz/xz.1:1134 msgid "For 32-bit B there is a special case: if the I would be over B<4020\\ MiB>, the I is set to B<4020\\ MiB>. On MIPS32 B<2000\\ MiB> is used instead. (The values B<0> and B aren't affected by this. A similar feature doesn't exist for decompression.) This can be helpful when a 32-bit executable has access to 4\\ GiB address space (2 GiB on MIPS32) while hopefully doing no harm in other situations." msgstr "" #. type: Plain text #: ../src/xz/xz.1:1137 msgid "See also the section B." msgstr "" #. type: TP #: ../src/xz/xz.1:1137 #, no-wrap msgid "B<--memlimit-decompress=>I" msgstr "" #. type: Plain text #: ../src/xz/xz.1:1151 msgid "Set a memory usage limit for decompression. This also affects the B<--list> mode. If the operation is not possible without exceeding the I, B will display an error and decompressing the file will fail. See B<--memlimit-compress=>I for possible ways to specify the I." msgstr "" #. type: TP #: ../src/xz/xz.1:1151 #, no-wrap msgid "B<--memlimit-mt-decompress=>I" msgstr "" #. type: Plain text #: ../src/xz/xz.1:1173 msgid "Set a memory usage limit for multi-threaded decompression. This can only affect the number of threads; this will never make B refuse to decompress a file. If I is too low to allow any multi-threading, the I is ignored and B will continue in single-threaded mode. Note that if also B<--memlimit-decompress> is used, it will always apply to both single-threaded and multi-threaded modes, and so the effective I for multi-threading will never be higher than the limit set with B<--memlimit-decompress>." msgstr "" #. type: Plain text #: ../src/xz/xz.1:1180 msgid "In contrast to the other memory usage limit options, B<--memlimit-mt-decompress=>I has a system-specific default I. B can be used to see the current value." msgstr "" #. type: Plain text #: ../src/xz/xz.1:1196 msgid "This option and its default value exist because without any limit the threaded decompressor could end up allocating an insane amount of memory with some input files. If the default I is too low on your system, feel free to increase the I but never set it to a value larger than the amount of usable RAM as with appropriate input files B will attempt to use that amount of memory even with a low number of threads. Running out of memory or swapping will not improve decompression performance." msgstr "" #. type: Plain text #: ../src/xz/xz.1:1208 msgid "See B<--memlimit-compress=>I for possible ways to specify the I. Setting I to B<0> resets the I to the default system-specific value." msgstr "" #. type: TP #: ../src/xz/xz.1:1208 #, no-wrap msgid "B<-M> I, B<--memlimit=>I, B<--memory=>I" msgstr "" #. type: Plain text #: ../src/xz/xz.1:1214 msgid "This is equivalent to specifying B<--memlimit-compress=>I B<--memlimit-decompress=>I B<--memlimit-mt-decompress=>I." msgstr "" #. type: TP #: ../src/xz/xz.1:1214 #, no-wrap msgid "B<--no-adjust>" msgstr "" #. type: Plain text #: ../src/xz/xz.1:1224 msgid "Display an error and exit if the memory usage limit cannot be met without adjusting settings that affect the compressed output. That is, this prevents B from switching the encoder from multi-threaded mode to single-threaded mode and from reducing the LZMA2 dictionary size. Even when this option is used the number of threads may be reduced to meet the memory usage limit as that won't affect the compressed output." msgstr "" #. type: Plain text #: ../src/xz/xz.1:1227 msgid "Automatic adjusting is always disabled when creating raw streams (B<--format=raw>)." msgstr "" #. type: TP #: ../src/xz/xz.1:1227 #, no-wrap msgid "B<-T> I, B<--threads=>I" msgstr "" #. type: Plain text #: ../src/xz/xz.1:1242 msgid "Specify the number of worker threads to use. Setting I to a special value B<0> makes B use up to as many threads as the processor(s) on the system support. The actual number of threads can be fewer than I if the input file is not big enough for threading with the given settings or if using more threads would exceed the memory usage limit." msgstr "" #. type: Plain text #: ../src/xz/xz.1:1261 msgid "The single-threaded and multi-threaded compressors produce different output. Single-threaded compressor will give the smallest file size but only the output from the multi-threaded compressor can be decompressed using multiple threads. Setting I to B<1> will use the single-threaded mode. Setting I to any other value, including B<0>, will use the multi-threaded compressor even if the system supports only one hardware thread. (B 5.2.x used single-threaded mode in this situation.)" msgstr "" #. type: Plain text #: ../src/xz/xz.1:1280 msgid "To use multi-threaded mode with only one thread, set I to B<+1>. The B<+> prefix has no effect with values other than B<1>. A memory usage limit can still make B switch to single-threaded mode unless B<--no-adjust> is used. Support for the B<+> prefix was added in B 5.4.0." msgstr "" #. type: Plain text #: ../src/xz/xz.1:1295 msgid "If an automatic number of threads has been requested and no memory usage limit has been specified, then a system-specific default soft limit will be used to possibly limit the number of threads. It is a soft limit in sense that it is ignored if the number of threads becomes one, thus a soft limit will never stop B from compressing or decompressing. This default soft limit will not make B switch from multi-threaded mode to single-threaded mode. The active limits can be seen with B." msgstr "" #. type: Plain text #: ../src/xz/xz.1:1302 msgid "Currently the only threading method is to split the input into blocks and compress them independently from each other. The default block size depends on the compression level and can be overridden with the B<--block-size=>I option." msgstr "" #. type: Plain text #: ../src/xz/xz.1:1310 msgid "Threaded decompression only works on files that contain multiple blocks with size information in block headers. All large enough files compressed in multi-threaded mode meet this condition, but files compressed in single-threaded mode don't even if B<--block-size=>I has been used." msgstr "" #. type: Plain text #: ../src/xz/xz.1:1319 msgid "The default value for I is B<0>. In B 5.4.x and older the default is B<1>." msgstr "" #. type: SS #: ../src/xz/xz.1:1320 ../src/xz/xz.1:2980 #, no-wrap msgid "Custom compressor filter chains" msgstr "" #. type: Plain text #: ../src/xz/xz.1:1336 msgid "A custom filter chain allows specifying the compression settings in detail instead of relying on the settings associated to the presets. When a custom filter chain is specified, preset options (B<-0> \\&...\\& B<-9> and B<--extreme>) earlier on the command line are forgotten. If a preset option is specified after one or more custom filter chain options, the new preset takes effect and the custom filter chain options specified earlier are forgotten." msgstr "" #. type: Plain text #: ../src/xz/xz.1:1343 msgid "A filter chain is comparable to piping on the command line. When compressing, the uncompressed input goes to the first filter, whose output goes to the next filter (if any). The output of the last filter gets written to the compressed file. The maximum number of filters in the chain is four, but typically a filter chain has only one or two filters." msgstr "" #. type: Plain text #: ../src/xz/xz.1:1351 msgid "Many filters have limitations on where they can be in the filter chain: some filters can work only as the last filter in the chain, some only as a non-last filter, and some work in any position in the chain. Depending on the filter, this limitation is either inherent to the filter design or exists to prevent security issues." msgstr "" #. type: Plain text #: ../src/xz/xz.1:1374 msgid "A custom filter chain can be specified in two different ways. The options B<--filters=>I and B<--filters1=>I \\&...\\& B<--filters9=>I allow specifying an entire filter chain in one option using the liblzma filter string syntax. Alternatively, a filter chain can be specified by using one or more individual filter options in the order they are wanted in the filter chain. That is, the order of the individual filter options is significant! When decoding raw streams (B<--format=raw>), the filter chain must be specified in the same order as it was specified when compressing. Any individual filter or preset options specified before the full chain option (B<--filters=>I) will be forgotten. Individual filters specified after the full chain option will reset the filter chain." msgstr "" #. type: Plain text #: ../src/xz/xz.1:1383 msgid "Both the full and individual filter options take filter-specific I as a comma-separated list. Extra commas in I are ignored. Every option has a default value, so specify those you want to change." msgstr "" #. type: Plain text #: ../src/xz/xz.1:1392 msgid "To see the whole filter chain and I, use B (that is, use B<--verbose> twice). This works also for viewing the filter chain options used by presets." msgstr "" #. type: TP #: ../src/xz/xz.1:1392 #, no-wrap msgid "B<--filters=>I" msgstr "" #. type: Plain text #: ../src/xz/xz.1:1413 msgid "Specify the full filter chain or a preset in a single option. Each filter can be separated by spaces or two dashes (B<-->). I may need to be quoted on the shell command line so it is parsed as a single option. To denote I, use B<:> or B<=>. A preset can be prefixed with a B<-> and followed with zero or more flags. The only supported flag is B to apply the same options as B<--extreme>." msgstr "" #. type: TP #: ../src/xz/xz.1:1413 #, no-wrap msgid "B<--filters1>=I ... B<--filters9>=I" msgstr "" #. type: Plain text #: ../src/xz/xz.1:1417 msgid "Specify up to nine additional filter chains that can be used with B<--block-list>." msgstr "" #. type: Plain text #: ../src/xz/xz.1:1421 msgid "For example, when compressing an archive with executable files followed by text files, the executable part could use a filter chain with a BCJ filter and the text part only the LZMA2 filter." msgstr "" #. type: TP #: ../src/xz/xz.1:1421 #, no-wrap msgid "B<--filters-help>" msgstr "" #. type: Plain text #: ../src/xz/xz.1:1431 msgid "Display a help message describing how to specify presets and custom filter chains in the B<--filters> and B<--filters1=>I \\&...\\& B<--filters9=>I options, and exit successfully." msgstr "" #. type: TP #: ../src/xz/xz.1:1431 #, no-wrap msgid "B<--lzma1>[B<=>I]" msgstr "" #. type: TP #: ../src/xz/xz.1:1434 #, no-wrap msgid "B<--lzma2>[B<=>I]" msgstr "" #. type: Plain text #: ../src/xz/xz.1:1439 msgid "Add LZMA1 or LZMA2 filter to the filter chain. These filters can be used only as the last filter in the chain." msgstr "" #. type: Plain text #: ../src/xz/xz.1:1451 msgid "LZMA1 is a legacy filter, which is supported almost solely due to the legacy B<.lzma> file format, which supports only LZMA1. LZMA2 is an updated version of LZMA1 to fix some practical issues of LZMA1. The B<.xz> format uses LZMA2 and doesn't support LZMA1 at all. Compression speed and ratios of LZMA1 and LZMA2 are practically the same." msgstr "" #. type: Plain text #: ../src/xz/xz.1:1454 msgid "LZMA1 and LZMA2 share the same set of I:" msgstr "" #. type: TP #: ../src/xz/xz.1:1455 #, no-wrap msgid "BI" msgstr "" #. type: Plain text #: ../src/xz/xz.1:1482 msgid "Reset all LZMA1 or LZMA2 I to I. I consist of an integer, which may be followed by single-letter preset modifiers. The integer can be from B<0> to B<9>, matching the command line options B<-0> \\&...\\& B<-9>. The only supported modifier is currently B, which matches B<--extreme>. If no B is specified, the default values of LZMA1 or LZMA2 I are taken from the preset B<6>." msgstr "" #. type: TP #: ../src/xz/xz.1:1482 #, no-wrap msgid "BI" msgstr "" #. type: Plain text #: ../src/xz/xz.1:1497 msgid "Dictionary (history buffer) I indicates how many bytes of the recently processed uncompressed data is kept in memory. The algorithm tries to find repeating byte sequences (matches) in the uncompressed data, and replace them with references to the data currently in the dictionary. The bigger the dictionary, the higher is the chance to find a match. Thus, increasing dictionary I usually improves compression ratio, but a dictionary bigger than the uncompressed file is waste of memory." msgstr "" #. type: Plain text #: ../src/xz/xz.1:1506 msgid "Typical dictionary I is from 64\\ KiB to 64\\ MiB. The minimum is 4\\ KiB. The maximum for compression is currently 1.5\\ GiB (1536\\ MiB). The decompressor already supports dictionaries up to one byte less than 4\\ GiB, which is the maximum for the LZMA1 and LZMA2 stream formats." msgstr "" #. type: Plain text #: ../src/xz/xz.1:1533 msgid "Dictionary I and match finder (I) together determine the memory usage of the LZMA1 or LZMA2 encoder. The same (or bigger) dictionary I is required for decompressing that was used when compressing, thus the memory usage of the decoder is determined by the dictionary size used when compressing. The B<.xz> headers store the dictionary I either as 2^I or 2^I + 2^(I-1), so these I are somewhat preferred for compression. Other I will get rounded up when stored in the B<.xz> headers." msgstr "" #. type: TP #: ../src/xz/xz.1:1533 #, no-wrap msgid "BI" msgstr "" #. type: Plain text #: ../src/xz/xz.1:1542 msgid "Specify the number of literal context bits. The minimum is 0 and the maximum is 4; the default is 3. In addition, the sum of I and I must not exceed 4." msgstr "" #. type: Plain text #: ../src/xz/xz.1:1547 msgid "All bytes that cannot be encoded as matches are encoded as literals. That is, literals are simply 8-bit bytes that are encoded one at a time." msgstr "" #. type: Plain text #: ../src/xz/xz.1:1561 msgid "The literal coding makes an assumption that the highest I bits of the previous uncompressed byte correlate with the next byte. For example, in typical English text, an upper-case letter is often followed by a lower-case letter, and a lower-case letter is usually followed by another lower-case letter. In the US-ASCII character set, the highest three bits are 010 for upper-case letters and 011 for lower-case letters. When I is at least 3, the literal coding can take advantage of this property in the uncompressed data." msgstr "" #. type: Plain text #: ../src/xz/xz.1:1570 msgid "The default value (3) is usually good. If you want maximum compression, test B. Sometimes it helps a little, and sometimes it makes compression worse. If it makes it worse, test B too." msgstr "" #. type: TP #: ../src/xz/xz.1:1570 #, no-wrap msgid "BI" msgstr "" #. type: Plain text #: ../src/xz/xz.1:1574 msgid "Specify the number of literal position bits. The minimum is 0 and the maximum is 4; the default is 0." msgstr "" #. type: Plain text #: ../src/xz/xz.1:1581 msgid "I affects what kind of alignment in the uncompressed data is assumed when encoding literals. See I below for more information about alignment." msgstr "" #. type: TP #: ../src/xz/xz.1:1581 #, no-wrap msgid "BI" msgstr "" #. type: Plain text #: ../src/xz/xz.1:1585 msgid "Specify the number of position bits. The minimum is 0 and the maximum is 4; the default is 2." msgstr "" #. type: Plain text #: ../src/xz/xz.1:1592 msgid "I affects what kind of alignment in the uncompressed data is assumed in general. The default means four-byte alignment (2^I=2^2=4), which is often a good choice when there's no better guess." msgstr "" #. type: Plain text #: ../src/xz/xz.1:1606 msgid "When the alignment is known, setting I accordingly may reduce the file size a little. For example, with text files having one-byte alignment (US-ASCII, ISO-8859-*, UTF-8), setting B can improve compression slightly. For UTF-16 text, B is a good choice. If the alignment is an odd number like 3 bytes, B might be the best choice." msgstr "" #. type: Plain text #: ../src/xz/xz.1:1614 msgid "Even though the assumed alignment can be adjusted with I and I, LZMA1 and LZMA2 still slightly favor 16-byte alignment. It might be worth taking into account when designing file formats that are likely to be often compressed with LZMA1 or LZMA2." msgstr "" #. type: TP #: ../src/xz/xz.1:1614 #, no-wrap msgid "BI" msgstr "" #. type: Plain text #: ../src/xz/xz.1:1629 msgid "Match finder has a major effect on encoder speed, memory usage, and compression ratio. Usually Hash Chain match finders are faster than Binary Tree match finders. The default depends on the I: 0 uses B, 1\\(en3 use B, and the rest use B." msgstr "" #. type: Plain text #: ../src/xz/xz.1:1635 msgid "The following match finders are supported. The memory usage formulas below are rough approximations, which are closest to the reality when I is a power of two." msgstr "" #. type: TP #: ../src/xz/xz.1:1636 #, no-wrap msgid "B" msgstr "" #. type: Plain text #: ../src/xz/xz.1:1639 msgid "Hash Chain with 2- and 3-byte hashing" msgstr "" #. type: Plain text #: ../src/xz/xz.1:1643 ../src/xz/xz.1:1692 msgid "Minimum value for I: 3" msgstr "" #. type: Plain text #: ../src/xz/xz.1:1645 ../src/xz/xz.1:1664 ../src/xz/xz.1:1694 #: ../src/xz/xz.1:1713 msgid "Memory usage:" msgstr "" #. type: Plain text #: ../src/xz/xz.1:1650 msgid "I * 7.5 (if I E= 16 MiB);" msgstr "" #. type: Plain text #: ../src/xz/xz.1:1655 msgid "I * 5.5 + 64 MiB (if I E 16 MiB)" msgstr "" #. type: TP #: ../src/xz/xz.1:1655 #, no-wrap msgid "B" msgstr "" #. type: Plain text #: ../src/xz/xz.1:1658 msgid "Hash Chain with 2-, 3-, and 4-byte hashing" msgstr "" #. type: Plain text #: ../src/xz/xz.1:1662 ../src/xz/xz.1:1711 msgid "Minimum value for I: 4" msgstr "" #. type: Plain text #: ../src/xz/xz.1:1669 msgid "I * 7.5 (if I E= 32 MiB);" msgstr "" #. type: Plain text #: ../src/xz/xz.1:1674 msgid "I * 6.5 (if I E 32 MiB)" msgstr "" #. type: TP #: ../src/xz/xz.1:1674 #, no-wrap msgid "B" msgstr "" #. type: Plain text #: ../src/xz/xz.1:1677 msgid "Binary Tree with 2-byte hashing" msgstr "" #. type: Plain text #: ../src/xz/xz.1:1681 msgid "Minimum value for I: 2" msgstr "" #. type: Plain text #: ../src/xz/xz.1:1685 msgid "Memory usage: I * 9.5" msgstr "" #. type: TP #: ../src/xz/xz.1:1685 #, no-wrap msgid "B" msgstr "" #. type: Plain text #: ../src/xz/xz.1:1688 msgid "Binary Tree with 2- and 3-byte hashing" msgstr "" #. type: Plain text #: ../src/xz/xz.1:1699 msgid "I * 11.5 (if I E= 16 MiB);" msgstr "" #. type: Plain text #: ../src/xz/xz.1:1704 msgid "I * 9.5 + 64 MiB (if I E 16 MiB)" msgstr "" #. type: TP #: ../src/xz/xz.1:1704 #, no-wrap msgid "B" msgstr "" #. type: Plain text #: ../src/xz/xz.1:1707 msgid "Binary Tree with 2-, 3-, and 4-byte hashing" msgstr "" #. type: Plain text #: ../src/xz/xz.1:1718 msgid "I * 11.5 (if I E= 32 MiB);" msgstr "" #. type: Plain text #: ../src/xz/xz.1:1723 msgid "I * 10.5 (if I E 32 MiB)" msgstr "" #. type: TP #: ../src/xz/xz.1:1724 #, no-wrap msgid "BI" msgstr "" #. type: Plain text #: ../src/xz/xz.1:1745 msgid "Compression I specifies the method to analyze the data produced by the match finder. Supported I are B and B. The default is B for I 0\\(en3 and B for I 4\\(en9." msgstr "" #. type: Plain text #: ../src/xz/xz.1:1754 msgid "Usually B is used with Hash Chain match finders and B with Binary Tree match finders. This is also what the I do." msgstr "" #. type: TP #: ../src/xz/xz.1:1754 #, no-wrap msgid "BI" msgstr "" #. type: Plain text #: ../src/xz/xz.1:1761 msgid "Specify what is considered to be a nice length for a match. Once a match of at least I bytes is found, the algorithm stops looking for possibly better matches." msgstr "" #. type: Plain text #: ../src/xz/xz.1:1768 msgid "I can be 2\\(en273 bytes. Higher values tend to give better compression ratio at the expense of speed. The default depends on the I." msgstr "" #. type: TP #: ../src/xz/xz.1:1768 #, no-wrap msgid "BI" msgstr "" #. type: Plain text #: ../src/xz/xz.1:1778 msgid "Specify the maximum search depth in the match finder. The default is the special value of 0, which makes the compressor determine a reasonable I from I and I." msgstr "" #. type: Plain text #: ../src/xz/xz.1:1789 msgid "Reasonable I for Hash Chains is 4\\(en100 and 16\\(en1000 for Binary Trees. Using very high values for I can make the encoder extremely slow with some files. Avoid setting the I over 1000 unless you are prepared to interrupt the compression in case it is taking far too long." msgstr "" #. type: Plain text #: ../src/xz/xz.1:1800 msgid "When decoding raw streams (B<--format=raw>), LZMA2 needs only the dictionary I. LZMA1 needs also I, I, and I." msgstr "" #. type: TP #: ../src/xz/xz.1:1800 #, no-wrap msgid "B<--x86>[B<=>I]" msgstr "" #. type: TP #: ../src/xz/xz.1:1803 #, no-wrap msgid "B<--arm>[B<=>I]" msgstr "" #. type: TP #: ../src/xz/xz.1:1805 #, no-wrap msgid "B<--armthumb>[B<=>I]" msgstr "" #. type: TP #: ../src/xz/xz.1:1807 #, no-wrap msgid "B<--arm64>[B<=>I]" msgstr "" #. type: TP #: ../src/xz/xz.1:1809 #, no-wrap msgid "B<--powerpc>[B<=>I]" msgstr "" #. type: TP #: ../src/xz/xz.1:1811 #, no-wrap msgid "B<--ia64>[B<=>I]" msgstr "" #. type: TP #: ../src/xz/xz.1:1813 #, no-wrap msgid "B<--sparc>[B<=>I]" msgstr "" #. type: Plain text #: ../src/xz/xz.1:1819 msgid "Add a branch/call/jump (BCJ) filter to the filter chain. These filters can be used only as a non-last filter in the filter chain." msgstr "" #. type: Plain text #: ../src/xz/xz.1:1833 msgid "A BCJ filter converts relative addresses in the machine code to their absolute counterparts. This doesn't change the size of the data but it increases redundancy, which can help LZMA2 to produce 0\\(en15\\ % smaller B<.xz> file. The BCJ filters are always reversible, so using a BCJ filter for wrong type of data doesn't cause any data loss, although it may make the compression ratio slightly worse. The BCJ filters are very fast and use an insignificant amount of memory." msgstr "" #. type: Plain text #: ../src/xz/xz.1:1836 msgid "These BCJ filters have known problems related to the compression ratio:" msgstr "" #. type: Plain text #: ../src/xz/xz.1:1843 msgid "Some types of files containing executable code (for example, object files, static libraries, and Linux kernel modules) have the addresses in the instructions filled with filler values. These BCJ filters will still do the address conversion, which will make the compression worse with these files." msgstr "" #. type: Plain text #: ../src/xz/xz.1:1853 msgid "If a BCJ filter is applied on an archive, it is possible that it makes the compression ratio worse than not using a BCJ filter. For example, if there are similar or even identical executables then filtering will likely make the files less similar and thus compression is worse. The contents of non-executable files in the same archive can matter too. In practice one has to try with and without a BCJ filter to see which is better in each situation." msgstr "" #. type: Plain text #: ../src/xz/xz.1:1858 msgid "Different instruction sets have different alignment: the executable file must be aligned to a multiple of this value in the input data to make the filter work." msgstr "" #. type: tbl table #: ../src/xz/xz.1:1865 #, no-wrap msgid "Filter" msgstr "" #. type: tbl table #: ../src/xz/xz.1:1865 #, no-wrap msgid "Alignment" msgstr "" #. type: tbl table #: ../src/xz/xz.1:1865 #, no-wrap msgid "Notes" msgstr "" #. type: tbl table #: ../src/xz/xz.1:1866 #, no-wrap msgid "x86" msgstr "" #. type: tbl table #: ../src/xz/xz.1:1866 #, no-wrap msgid "32-bit or 64-bit x86" msgstr "" #. type: tbl table #: ../src/xz/xz.1:1867 #, no-wrap msgid "ARM" msgstr "" #. type: tbl table #: ../src/xz/xz.1:1868 #, no-wrap msgid "ARM-Thumb" msgstr "" #. type: tbl table #: ../src/xz/xz.1:1869 #, no-wrap msgid "ARM64" msgstr "" #. type: tbl table #: ../src/xz/xz.1:1869 #, no-wrap msgid "4096-byte alignment is best" msgstr "" #. type: tbl table #: ../src/xz/xz.1:1870 #, no-wrap msgid "PowerPC" msgstr "" #. type: tbl table #: ../src/xz/xz.1:1870 #, no-wrap msgid "Big endian only" msgstr "" #. type: tbl table #: ../src/xz/xz.1:1871 #, no-wrap msgid "IA-64" msgstr "" #. type: tbl table #: ../src/xz/xz.1:1871 #, no-wrap msgid "16" msgstr "" #. type: tbl table #: ../src/xz/xz.1:1871 #, no-wrap msgid "Itanium" msgstr "" #. type: tbl table #: ../src/xz/xz.1:1872 #, no-wrap msgid "SPARC" msgstr "" #. type: tbl table #: ../src/xz/xz.1:1873 #, no-wrap msgid "RISC-V" msgstr "" #. type: Plain text #: ../src/xz/xz.1:1883 msgid "Since the BCJ-filtered data is usually compressed with LZMA2, the compression ratio may be improved slightly if the LZMA2 options are set to match the alignment of the selected BCJ filter. Examples:" msgstr "" #. type: Plain text #: ../src/xz/xz.1:1889 msgid "IA-64 filter has 16-byte alignment so B is good with LZMA2 (2^4=16)." msgstr "" #. type: Plain text #: ../src/xz/xz.1:1904 msgid "RISC-V code has 2-byte or 4-byte alignment depending on whether the file contains 16-bit compressed instructions (the C extension). When 16-bit instructions are used, B or B is good. When 16-bit instructions aren't present, B is the best. B can be used to check if \"RVC\" appears on the \"Flags\" line." msgstr "" #. type: Plain text #: ../src/xz/xz.1:1908 msgid "ARM64 is always 4-byte aligned so B is the best." msgstr "" #. type: Plain text #: ../src/xz/xz.1:1913 msgid "The x86 filter is an exception. It's usually good to stick to LZMA2's defaults (B) when compressing x86 executables." msgstr "" #. type: Plain text #: ../src/xz/xz.1:1917 msgid "All BCJ filters support the same I:" msgstr "" #. type: TP #: ../src/xz/xz.1:1918 #, no-wrap msgid "BI" msgstr "" #. type: Plain text #: ../src/xz/xz.1:1932 msgid "Specify the start I that is used when converting between relative and absolute addresses. The I must be a multiple of the alignment of the filter (see the table above). The default is zero. In practice, the default is good; specifying a custom I is almost never useful." msgstr "" #. type: TP #: ../src/xz/xz.1:1933 #, no-wrap msgid "B<--delta>[B<=>I]" msgstr "" #. type: Plain text #: ../src/xz/xz.1:1938 msgid "Add the Delta filter to the filter chain. The Delta filter can be only used as a non-last filter in the filter chain." msgstr "" #. type: Plain text #: ../src/xz/xz.1:1947 msgid "Currently only simple byte-wise delta calculation is supported. It can be useful when compressing, for example, uncompressed bitmap images or uncompressed PCM audio. However, special purpose algorithms may give significantly better results than Delta + LZMA2. This is true especially with audio, which compresses faster and better, for example, with B(1)." msgstr "" #. type: Plain text #: ../src/xz/xz.1:1950 msgid "Supported I:" msgstr "" #. type: TP #: ../src/xz/xz.1:1951 #, no-wrap msgid "BI" msgstr "" #. type: Plain text #: ../src/xz/xz.1:1959 msgid "Specify the I of the delta calculation in bytes. I must be 1\\(en256. The default is 1." msgstr "" #. type: Plain text #: ../src/xz/xz.1:1964 msgid "For example, with B and eight-byte input A1 B1 A2 B3 A3 B5 A4 B7, the output will be A1 B1 01 02 01 02 01 02." msgstr "" #. type: SS #: ../src/xz/xz.1:1966 #, no-wrap msgid "Other options" msgstr "" #. type: TP #: ../src/xz/xz.1:1967 ../src/xzdec/xzdec.1:81 #, no-wrap msgid "B<-q>, B<--quiet>" msgstr "" #. type: Plain text #: ../src/xz/xz.1:1974 msgid "Suppress warnings and notices. Specify this twice to suppress errors too. This option has no effect on the exit status. That is, even if a warning was suppressed, the exit status to indicate a warning is still used." msgstr "" #. type: TP #: ../src/xz/xz.1:1974 #, no-wrap msgid "B<-v>, B<--verbose>" msgstr "" #. type: Plain text #: ../src/xz/xz.1:1983 msgid "Be verbose. If standard error is connected to a terminal, B will display a progress indicator. Specifying B<--verbose> twice will give even more verbose output." msgstr "" #. type: Plain text #: ../src/xz/xz.1:1985 msgid "The progress indicator shows the following information:" msgstr "" #. type: Plain text #: ../src/xz/xz.1:1990 msgid "Completion percentage is shown if the size of the input file is known. That is, the percentage cannot be shown in pipes." msgstr "" #. type: Plain text #: ../src/xz/xz.1:1993 msgid "Amount of compressed data produced (compressing) or consumed (decompressing)." msgstr "" #. type: Plain text #: ../src/xz/xz.1:1996 msgid "Amount of uncompressed data consumed (compressing) or produced (decompressing)." msgstr "" #. type: Plain text #: ../src/xz/xz.1:2000 msgid "Compression ratio, which is calculated by dividing the amount of compressed data processed so far by the amount of uncompressed data processed so far." msgstr "" #. type: Plain text #: ../src/xz/xz.1:2007 msgid "Compression or decompression speed. This is measured as the amount of uncompressed data consumed (compression) or produced (decompression) per second. It is shown after a few seconds have passed since B started processing the file." msgstr "" #. type: Plain text #: ../src/xz/xz.1:2009 msgid "Elapsed time in the format M:SS or H:MM:SS." msgstr "" #. type: Plain text #: ../src/xz/xz.1:2017 msgid "Estimated remaining time is shown only when the size of the input file is known and a couple of seconds have already passed since B started processing the file. The time is shown in a less precise format which never has any colons, for example, 2 min 30 s." msgstr "" #. type: Plain text #: ../src/xz/xz.1:2032 msgid "When standard error is not a terminal, B<--verbose> will make B print the filename, compressed size, uncompressed size, compression ratio, and possibly also the speed and elapsed time on a single line to standard error after compressing or decompressing the file. The speed and elapsed time are included only when the operation took at least a few seconds. If the operation didn't finish, for example, due to user interruption, also the completion percentage is printed if the size of the input file is known." msgstr "" #. type: TP #: ../src/xz/xz.1:2032 ../src/xzdec/xzdec.1:87 #, no-wrap msgid "B<-Q>, B<--no-warn>" msgstr "" #. type: Plain text #: ../src/xz/xz.1:2042 msgid "Don't set the exit status to 2 even if a condition worth a warning was detected. This option doesn't affect the verbosity level, thus both B<--quiet> and B<--no-warn> have to be used to not display warnings and to not alter the exit status." msgstr "" #. type: TP #: ../src/xz/xz.1:2042 #, no-wrap msgid "B<--robot>" msgstr "" #. type: Plain text #: ../src/xz/xz.1:2054 msgid "Print messages in a machine-parsable format. This is intended to ease writing frontends that want to use B instead of liblzma, which may be the case with various scripts. The output with this option enabled is meant to be stable across B releases. See the section B for details." msgstr "" #. type: TP #: ../src/xz/xz.1:2054 #, no-wrap msgid "B<--info-memory>" msgstr "" #. type: Plain text #: ../src/xz/xz.1:2061 msgid "Display, in human-readable format, how much physical memory (RAM) and how many processor threads B thinks the system has and the memory usage limits for compression and decompression, and exit successfully." msgstr "" #. type: TP #: ../src/xz/xz.1:2061 ../src/xzdec/xzdec.1:94 #, no-wrap msgid "B<-h>, B<--help>" msgstr "" #. type: Plain text #: ../src/xz/xz.1:2065 msgid "Display a help message describing the most commonly used options, and exit successfully." msgstr "" #. type: TP #: ../src/xz/xz.1:2065 #, no-wrap msgid "B<-H>, B<--long-help>" msgstr "" #. type: Plain text #: ../src/xz/xz.1:2070 msgid "Display a help message describing all features of B, and exit successfully" msgstr "" #. type: TP #: ../src/xz/xz.1:2070 ../src/xzdec/xzdec.1:97 #, no-wrap msgid "B<-V>, B<--version>" msgstr "" #. type: Plain text #: ../src/xz/xz.1:2079 msgid "Display the version number of B and liblzma in human readable format. To get machine-parsable output, specify B<--robot> before B<--version>." msgstr "" #. type: SH #: ../src/xz/xz.1:2080 #, no-wrap msgid "ROBOT MODE" msgstr "" #. type: Plain text #: ../src/xz/xz.1:2097 msgid "The robot mode is activated with the B<--robot> option. It makes the output of B easier to parse by other programs. Currently B<--robot> is supported only together with B<--list>, B<--filters-help>, B<--info-memory>, and B<--version>. It will be supported for compression and decompression in the future." msgstr "" #. type: SS #: ../src/xz/xz.1:2098 #, no-wrap msgid "List mode" msgstr "" #. type: Plain text #: ../src/xz/xz.1:2103 msgid "B uses tab-separated output. The first column of every line has a string that indicates the type of the information found on that line:" msgstr "" #. type: TP #: ../src/xz/xz.1:2103 #, no-wrap msgid "B" msgstr "" #. type: Plain text #: ../src/xz/xz.1:2107 msgid "This is always the first line when starting to list a file. The second column on the line is the filename." msgstr "" #. type: TP #: ../src/xz/xz.1:2107 #, no-wrap msgid "B" msgstr "" #. type: Plain text #: ../src/xz/xz.1:2115 msgid "This line contains overall information about the B<.xz> file. This line is always printed after the B line." msgstr "" #. type: TP #: ../src/xz/xz.1:2115 #, no-wrap msgid "B" msgstr "" #. type: Plain text #: ../src/xz/xz.1:2125 msgid "This line type is used only when B<--verbose> was specified. There are as many B lines as there are streams in the B<.xz> file." msgstr "" #. type: TP #: ../src/xz/xz.1:2125 #, no-wrap msgid "B" msgstr "" #. type: Plain text #: ../src/xz/xz.1:2140 msgid "This line type is used only when B<--verbose> was specified. There are as many B lines as there are blocks in the B<.xz> file. The B lines are shown after all the B lines; different line types are not interleaved." msgstr "" #. type: TP #: ../src/xz/xz.1:2140 #, no-wrap msgid "B" msgstr "" #. type: Plain text #: ../src/xz/xz.1:2155 msgid "This line type is used only when B<--verbose> was specified twice. This line is printed after all B lines. Like the B line, the B line contains overall information about the B<.xz> file." msgstr "" #. type: TP #: ../src/xz/xz.1:2155 #, no-wrap msgid "B" msgstr "" #. type: Plain text #: ../src/xz/xz.1:2159 msgid "This line is always the very last line of the list output. It shows the total counts and sizes." msgstr "" #. type: Plain text #: ../src/xz/xz.1:2163 msgid "The columns of the B lines:" msgstr "" #. type: IP #: ../src/xz/xz.1:2165 ../src/xz/xz.1:2202 ../src/xz/xz.1:2228 #: ../src/xz/xz.1:2298 ../src/xz/xz.1:2325 ../src/xz/xz.1:2414 #, no-wrap msgid "2." msgstr "" #. type: Plain text #: ../src/xz/xz.1:2167 msgid "Number of streams in the file" msgstr "" #. type: IP #: ../src/xz/xz.1:2167 ../src/xz/xz.1:2204 ../src/xz/xz.1:2230 #: ../src/xz/xz.1:2303 ../src/xz/xz.1:2327 ../src/xz/xz.1:2421 #, no-wrap msgid "3." msgstr "" #. type: Plain text #: ../src/xz/xz.1:2169 msgid "Total number of blocks in the stream(s)" msgstr "" #. type: IP #: ../src/xz/xz.1:2169 ../src/xz/xz.1:2206 ../src/xz/xz.1:2233 #: ../src/xz/xz.1:2313 ../src/xz/xz.1:2329 ../src/xz/xz.1:2428 #, no-wrap msgid "4." msgstr "" #. type: Plain text #: ../src/xz/xz.1:2171 msgid "Compressed size of the file" msgstr "" #. type: IP #: ../src/xz/xz.1:2171 ../src/xz/xz.1:2208 ../src/xz/xz.1:2235 #: ../src/xz/xz.1:2331 ../src/xz/xz.1:2440 #, no-wrap msgid "5." msgstr "" #. type: Plain text #: ../src/xz/xz.1:2173 msgid "Uncompressed size of the file" msgstr "" #. type: IP #: ../src/xz/xz.1:2173 ../src/xz/xz.1:2210 ../src/xz/xz.1:2237 #: ../src/xz/xz.1:2333 ../src/xz/xz.1:2452 #, no-wrap msgid "6." msgstr "" #. type: Plain text #: ../src/xz/xz.1:2179 msgid "Compression ratio, for example, B<0.123>. If ratio is over 9.999, three dashes (B<--->) are displayed instead of the ratio." msgstr "" #. type: IP #: ../src/xz/xz.1:2179 ../src/xz/xz.1:2212 ../src/xz/xz.1:2239 #: ../src/xz/xz.1:2335 #, no-wrap msgid "7." msgstr "" #. type: Plain text #: ../src/xz/xz.1:2192 msgid "Comma-separated list of integrity check names. The following strings are used for the known check types: B, B, B, and B. For unknown check types, BI is used, where I is the Check ID as a decimal number (one or two digits)." msgstr "" #. type: IP #: ../src/xz/xz.1:2192 ../src/xz/xz.1:2214 ../src/xz/xz.1:2241 #: ../src/xz/xz.1:2338 #, no-wrap msgid "8." msgstr "" #. type: Plain text #: ../src/xz/xz.1:2194 msgid "Total size of stream padding in the file" msgstr "" #. type: Plain text #: ../src/xz/xz.1:2200 msgid "The columns of the B lines:" msgstr "" #. type: Plain text #: ../src/xz/xz.1:2204 msgid "Stream number (the first stream is 1)" msgstr "" #. type: Plain text #: ../src/xz/xz.1:2206 msgid "Number of blocks in the stream" msgstr "" #. type: Plain text #: ../src/xz/xz.1:2208 msgid "Compressed start offset" msgstr "" #. type: Plain text #: ../src/xz/xz.1:2210 msgid "Uncompressed start offset" msgstr "" #. type: Plain text #: ../src/xz/xz.1:2212 msgid "Compressed size (does not include stream padding)" msgstr "" #. type: Plain text #: ../src/xz/xz.1:2214 ../src/xz/xz.1:2243 ../src/xz/xz.1:2333 msgid "Uncompressed size" msgstr "" #. type: Plain text #: ../src/xz/xz.1:2216 ../src/xz/xz.1:2245 msgid "Compression ratio" msgstr "" #. type: IP #: ../src/xz/xz.1:2216 ../src/xz/xz.1:2243 ../src/xz/xz.1:2340 #, no-wrap msgid "9." msgstr "" #. type: Plain text #: ../src/xz/xz.1:2218 ../src/xz/xz.1:2247 msgid "Name of the integrity check" msgstr "" #. type: IP #: ../src/xz/xz.1:2218 ../src/xz/xz.1:2245 ../src/xz/xz.1:2356 #, no-wrap msgid "10." msgstr "" #. type: Plain text #: ../src/xz/xz.1:2220 msgid "Size of stream padding" msgstr "" #. type: Plain text #: ../src/xz/xz.1:2226 msgid "The columns of the B lines:" msgstr "" #. type: Plain text #: ../src/xz/xz.1:2230 msgid "Number of the stream containing this block" msgstr "" #. type: Plain text #: ../src/xz/xz.1:2233 msgid "Block number relative to the beginning of the stream (the first block is 1)" msgstr "" #. type: Plain text #: ../src/xz/xz.1:2235 msgid "Block number relative to the beginning of the file" msgstr "" #. type: Plain text #: ../src/xz/xz.1:2237 msgid "Compressed start offset relative to the beginning of the file" msgstr "" #. type: Plain text #: ../src/xz/xz.1:2239 msgid "Uncompressed start offset relative to the beginning of the file" msgstr "" #. type: Plain text #: ../src/xz/xz.1:2241 msgid "Total compressed size of the block (includes headers)" msgstr "" #. type: Plain text #: ../src/xz/xz.1:2259 msgid "If B<--verbose> was specified twice, additional columns are included on the B lines. These are not displayed with a single B<--verbose>, because getting this information requires many seeks and can thus be slow:" msgstr "" #. type: IP #: ../src/xz/xz.1:2261 ../src/xz/xz.1:2361 #, no-wrap msgid "11." msgstr "" #. type: Plain text #: ../src/xz/xz.1:2263 msgid "Value of the integrity check in hexadecimal" msgstr "" #. type: IP #: ../src/xz/xz.1:2263 ../src/xz/xz.1:2371 #, no-wrap msgid "12." msgstr "" #. type: Plain text #: ../src/xz/xz.1:2265 msgid "Block header size" msgstr "" #. type: IP #: ../src/xz/xz.1:2265 #, no-wrap msgid "13." msgstr "" #. type: Plain text #: ../src/xz/xz.1:2275 msgid "Block flags: B indicates that compressed size is present, and B indicates that uncompressed size is present. If the flag is not set, a dash (B<->) is shown instead to keep the string length fixed. New flags may be added to the end of the string in the future." msgstr "" #. type: IP #: ../src/xz/xz.1:2275 #, no-wrap msgid "14." msgstr "" #. type: Plain text #: ../src/xz/xz.1:2278 msgid "Size of the actual compressed data in the block (this excludes the block header, block padding, and check fields)" msgstr "" #. type: IP #: ../src/xz/xz.1:2278 #, no-wrap msgid "15." msgstr "" #. type: Plain text #: ../src/xz/xz.1:2283 msgid "Amount of memory (in bytes) required to decompress this block with this B version" msgstr "" #. type: IP #: ../src/xz/xz.1:2283 #, no-wrap msgid "16." msgstr "" #. type: Plain text #: ../src/xz/xz.1:2290 msgid "Filter chain. Note that most of the options used at compression time cannot be known, because only the options that are needed for decompression are stored in the B<.xz> headers." msgstr "" #. type: Plain text #: ../src/xz/xz.1:2296 msgid "The columns of the B lines:" msgstr "" #. type: Plain text #: ../src/xz/xz.1:2303 msgid "Amount of memory (in bytes) required to decompress this file with this B version" msgstr "" #. type: Plain text #: ../src/xz/xz.1:2309 ../src/xz/xz.1:2367 msgid "B or B indicating if all block headers have both compressed size and uncompressed size stored in them" msgstr "" #. type: Plain text #: ../src/xz/xz.1:2313 ../src/xz/xz.1:2371 msgid "I B I<5.1.2alpha:>" msgstr "" #. type: Plain text #: ../src/xz/xz.1:2317 ../src/xz/xz.1:2375 msgid "Minimum B version required to decompress the file" msgstr "" #. type: Plain text #: ../src/xz/xz.1:2323 msgid "The columns of the B line:" msgstr "" #. type: Plain text #: ../src/xz/xz.1:2327 msgid "Number of streams" msgstr "" #. type: Plain text #: ../src/xz/xz.1:2329 msgid "Number of blocks" msgstr "" #. type: Plain text #: ../src/xz/xz.1:2331 msgid "Compressed size" msgstr "" #. type: Plain text #: ../src/xz/xz.1:2335 msgid "Average compression ratio" msgstr "" #. type: Plain text #: ../src/xz/xz.1:2338 msgid "Comma-separated list of integrity check names that were present in the files" msgstr "" #. type: Plain text #: ../src/xz/xz.1:2340 msgid "Stream padding size" msgstr "" #. type: Plain text #: ../src/xz/xz.1:2346 msgid "Number of files. This is here to keep the order of the earlier columns the same as on B lines." msgstr "" #. type: Plain text #: ../src/xz/xz.1:2354 msgid "If B<--verbose> was specified twice, additional columns are included on the B line:" msgstr "" #. type: Plain text #: ../src/xz/xz.1:2361 msgid "Maximum amount of memory (in bytes) required to decompress the files with this B version" msgstr "" #. type: Plain text #: ../src/xz/xz.1:2381 msgid "Future versions may add new line types and new columns can be added to the existing line types, but the existing columns won't be changed." msgstr "" #. type: SS #: ../src/xz/xz.1:2382 #, no-wrap msgid "Filters help" msgstr "" #. type: Plain text #: ../src/xz/xz.1:2385 msgid "B prints the supported filters in the following format:" msgstr "" #. type: Plain text #: ../src/xz/xz.1:2387 msgid "IB<:>I