X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=doc%2Fgzip.info;fp=doc%2Fgzip.info;h=69f373b07c76ee70e4fef92857a194edeae3f9e1;hb=a8a88eddaa90432e6ec1b8d9d5c9842bc91afd1d;hp=5b7ca4b6fc83c33b7e634045923640c0a1ec2d57;hpb=20fcfc81ece044b8b0a6768ec6cf47be4e22a2e6;p=debian%2Fgzip diff --git a/doc/gzip.info b/doc/gzip.info index 5b7ca4b..69f373b 100644 --- a/doc/gzip.info +++ b/doc/gzip.info @@ -1,9 +1,9 @@ -This is gzip.info-t, produced by makeinfo version 6.0 from gzip.texi. +This is gzip.info, produced by makeinfo version 6.3 from gzip.texi. -This manual is for GNU Gzip (version 1.8, 7 March 2016), and documents +This manual is for GNU Gzip (version 1.9, 7 January 2018), and documents commands for compressing and decompressing data. - Copyright © 1998-1999, 2001-2002, 2006-2007, 2009-2016 Free Software + Copyright © 1998-1999, 2001-2002, 2006-2007, 2009-2018 Free Software Foundation, Inc. Copyright © 1992, 1993 Jean-loup Gailly @@ -31,15 +31,15 @@ START-INFO-DIR-ENTRY END-INFO-DIR-ENTRY  -File: gzip.info-t, Node: Top, Next: Overview, Up: (dir) +File: gzip.info, Node: Top, Next: Overview, Up: (dir) GNU Gzip: General file (de)compression ************************************** -This manual is for GNU Gzip (version 1.8, 7 March 2016), and documents +This manual is for GNU Gzip (version 1.9, 7 January 2018), and documents commands for compressing and decompressing data. - Copyright © 1998-1999, 2001-2002, 2006-2007, 2009-2016 Free Software + Copyright © 1998-1999, 2001-2002, 2006-2007, 2009-2018 Free Software Foundation, Inc. Copyright © 1992, 1993 Jean-loup Gailly @@ -64,7 +64,7 @@ Foundation, Inc. * Concept index:: Index of concepts.  -File: gzip.info-t, Node: Overview, Next: Sample, Prev: Top, Up: Top +File: gzip.info, Node: Overview, Next: Sample, Prev: Top, Up: Top 1 Overview ********** @@ -72,11 +72,11 @@ File: gzip.info-t, Node: Overview, Next: Sample, Prev: Top, Up: Top ‘gzip’ reduces the size of the named files using Lempel–Ziv coding (LZ77). Whenever possible, each file is replaced by one with the extension ‘.gz’, while keeping the same ownership modes, access and -modification times. (The default extension is ‘-gz’ for VMS, ‘z’ for -MSDOS, OS/2 FAT and Atari.) If no files are specified or if a file name -is ‘-’, the standard input is compressed to the standard output. ‘gzip’ -will only attempt to compress regular files. In particular, it will -ignore symbolic links. +modification times. (The default extension is ‘z’ for MSDOS, OS/2 FAT +and Atari.) If no files are specified or if a file name is ‘-’, the +standard input is compressed to the standard output. ‘gzip’ will only +attempt to compress regular files. In particular, it will ignore +symbolic links. If the new file name is too long for its file system, ‘gzip’ truncates it. ‘gzip’ attempts to truncate only the parts of the file @@ -86,16 +86,16 @@ example, if file names are limited to 14 characters, gzip.msdos.exe is compressed to gzi.msd.exe.gz. Names are not truncated on systems which do not have a limit on file name length. - By default, ‘gzip’ keeps the original file name and time stamp in the + By default, ‘gzip’ keeps the original file name and timestamp in the compressed file. These are used when decompressing the file with the ‘-N’ option. This is useful when the compressed file name was truncated -or when the time stamp was not preserved after a file transfer. -However, due to limitations in the current ‘gzip’ file format, -fractional seconds are discarded. Also, time stamps must fall within -the range 1970-01-01 00:00:00 through 2106-02-07 06:28:15 UTC, and hosts -whose operating systems use 32-bit time stamps are further restricted to -time stamps no later than 2038-01-19 03:14:07 UTC. The upper bounds -assume the typical case where leap seconds are ignored. +or when the timestamp was not preserved after a file transfer. However, +due to limitations in the current ‘gzip’ file format, fractional seconds +are discarded. Also, timestamps must fall within the range 1970-01-01 +00:00:01 through 2106-02-07 06:28:15 UTC, and hosts whose operating +systems use 32-bit timestamps are further restricted to timestamps no +later than 2038-01-19 03:14:07 UTC. The upper bounds assume the typical +case where leap seconds are ignored. Compressed files can be restored to their original form using ‘gzip -d’ or ‘gunzip’ or ‘zcat’. If the original name saved in the compressed @@ -148,18 +148,18 @@ slightly larger than the original. The worst case expansion is a few bytes for the ‘gzip’ file header, plus 5 bytes every 32K block, or an expansion ratio of 0.015% for large files. Note that the actual number of used disk blocks almost never increases. ‘gzip’ normally preserves -the mode, ownership and time stamps of files when compressing or +the mode, ownership and timestamps of files when compressing or decompressing. The ‘gzip’ file format is specified in P. Deutsch, GZIP file format specification version 4.3, Internet RFC 1952 -(http://www.ietf.org/rfc/rfc1952.txt) (May 1996). The ‘zip’ deflation +(https://www.ietf.org/rfc/rfc1952.txt) (May 1996). The ‘zip’ deflation format is specified in P. Deutsch, DEFLATE Compressed Data Format Specification version 1.3, Internet RFC 1951 -(http://www.ietf.org/rfc/rfc1951.txt) (May 1996). +(https://www.ietf.org/rfc/rfc1951.txt) (May 1996).  -File: gzip.info-t, Node: Sample, Next: Invoking gzip, Prev: Overview, Up: Top +File: gzip.info, Node: Sample, Next: Invoking gzip, Prev: Overview, Up: Top 2 Sample output *************** @@ -180,8 +180,8 @@ Here are some realistic examples of running ‘gzip’. -k, --keep keep (don't delete) input files -l, --list list compressed file contents -L, --license display software license - -n, --no-name do not save or restore the original name and time stamp - -N, --name save or restore the original name and time stamp + -n, --no-name do not save or restore the original name and timestamp + -N, --name save or restore the original name and timestamp -q, --quiet suppress all warnings -r, --recursive operate recursively on directories --rsyncable make rsync-friendly archive @@ -215,14 +215,14 @@ stopping on the first failure: sh -e  -File: gzip.info-t, Node: Invoking gzip, Next: Advanced usage, Prev: Sample, Up: Top +File: gzip.info, Node: Invoking gzip, Next: Advanced usage, Prev: Sample, Up: Top 3 Invoking ‘gzip’ ***************** The format for running the ‘gzip’ program is: - gzip OPTION … + gzip OPTION ... ‘gzip’ supports the following options: @@ -279,7 +279,7 @@ The format for running the ‘gzip’ program is: method: compression method (deflate,compress,lzh,pack) crc: the 32-bit CRC of the uncompressed data - date & time: time stamp for the uncompressed file + date & time: timestamp for the uncompressed file The CRC is given as ffffffff for a file not in gzip format. @@ -301,21 +301,21 @@ The format for running the ‘gzip’ program is: ‘--no-name’ ‘-n’ - When compressing, do not save the original file name and time stamp + When compressing, do not save the original file name and timestamp by default. (The original name is always saved if the name had to be truncated.) When decompressing, do not restore the original file name if present (remove only the ‘gzip’ suffix from the - compressed file name) and do not restore the original time stamp if + compressed file name) and do not restore the original timestamp if present (copy it from the compressed file). This option is the default when decompressing. ‘--name’ ‘-N’ - When compressing, always save the original file name and time - stamp; this is the default. When decompressing, restore the - original file name and time stamp if present. This option is - useful on systems which have a limit on file name length or when - the time stamp has been lost after a file transfer. + When compressing, always save the original file name and timestamp; + this is the default. When decompressing, restore the original file + name and timestamp if present. This option is useful on systems + which have a limit on file name length or when the timestamp has + been lost after a file transfer. ‘--quiet’ ‘-q’ @@ -383,7 +383,7 @@ The format for running the ‘gzip’ program is: of speed).  -File: gzip.info-t, Node: Advanced usage, Next: Environment, Prev: Invoking gzip, Up: Top +File: gzip.info, Node: Advanced usage, Next: Environment, Prev: Invoking gzip, Up: Top 4 Advanced usage **************** @@ -435,7 +435,7 @@ transparently. ‘gzip’ is designed as a complement to ‘tar’, not as a replacement.  -File: gzip.info-t, Node: Environment, Next: Tapes, Prev: Advanced usage, Up: Top +File: gzip.info, Node: Environment, Next: Tapes, Prev: Advanced usage, Up: Top 5 Environment ************* @@ -456,12 +456,8 @@ create an executable script ‘$HOME/bin/gzip’ containing the following: export PATH=/usr/bin exec gzip -9 "$@" - On VMS, the name of the obsolescent environment variable is -‘GZIP_OPT’, to avoid a conflict with the symbol set for invocation of -the program. -  -File: gzip.info-t, Node: Tapes, Next: Problems, Prev: Environment, Up: Top +File: gzip.info, Node: Tapes, Next: Problems, Prev: Environment, Up: Top 6 Using ‘gzip’ on tapes *********************** @@ -474,7 +470,7 @@ and emits a warning by default if the garbage contains nonzero bytes. You can use the ‘--quiet’ option to suppress the warning.  -File: gzip.info-t, Node: Problems, Next: GNU Free Documentation License, Prev: Tapes, Up: Top +File: gzip.info, Node: Problems, Next: GNU Free Documentation License, Prev: Tapes, Up: Top 7 Reporting Bugs **************** @@ -486,7 +482,7 @@ operating system, the compiler used to compile ‘gzip’, a description of the bug behavior, and the input to ‘gzip’ that triggered the bug.  -File: gzip.info-t, Node: GNU Free Documentation License, Next: Concept index, Prev: Problems, Up: Top +File: gzip.info, Node: GNU Free Documentation License, Next: Concept index, Prev: Problems, Up: Top Appendix A GNU Free Documentation License ***************************************** @@ -494,7 +490,7 @@ Appendix A GNU Free Documentation License Version 1.3, 3 November 2008 Copyright © 2000, 2001, 2002, 2007, 2008 Free Software Foundation, Inc. - + Everyone is permitted to copy and distribute verbatim copies of this license document, but changing it is not allowed. @@ -891,7 +887,7 @@ Appendix A GNU Free Documentation License the GNU Free Documentation License from time to time. Such new versions will be similar in spirit to the present version, but may differ in detail to address new problems or concerns. See - . + . Each version of the License is given a distinguishing version number. If the Document specifies that a particular numbered @@ -952,7 +948,7 @@ notices just after the title page: Free Documentation License''. If you have Invariant Sections, Front-Cover Texts and Back-Cover -Texts, replace the “with…Texts.” line with this: +Texts, replace the “with...Texts.” line with this: with the Invariant Sections being LIST THEIR TITLES, with the Front-Cover Texts being LIST, and with the Back-Cover Texts @@ -968,7 +964,7 @@ software license, such as the GNU General Public License, to permit their use in free software.  -File: gzip.info-t, Node: Concept index, Prev: GNU Free Documentation License, Up: Top +File: gzip.info, Node: Concept index, Prev: GNU Free Documentation License, Up: Top Appendix B Concept index ************************ @@ -990,14 +986,14 @@ Appendix B Concept index Tag Table: Node: Top1472 Node: Overview2701 -Node: Sample8188 -Node: Invoking gzip10336 -Node: Advanced usage16626 -Node: Environment18259 -Node: Tapes19273 -Node: Problems19833 -Node: GNU Free Documentation License20321 -Node: Concept index45675 +Node: Sample8164 +Node: Invoking gzip10308 +Node: Advanced usage16590 +Node: Environment18221 +Node: Tapes19082 +Node: Problems19640 +Node: GNU Free Documentation License20126 +Node: Concept index45480  End Tag Table