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129 lines
4.5 KiB
Plaintext
129 lines
4.5 KiB
Plaintext
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# Copyright
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#
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# Copyright (C) 2015 Con Kolivas
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#
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# License
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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# Description
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#
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# To learn what TOP LEVEL section to use in manual pages,
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# see POSIX/Susv standard and "tility Description Defaults" at
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# http://www.opengroup.org/onlinepubs/009695399/utilities/xcu_chap01.html#tag_01_11
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#
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# This is manual page in Perl POD format. Read more at
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# http://perldoc.perl.org/perlpod.html or run command:
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#
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# perldoc perlpod | less
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#
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# To check the syntax:
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#
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# podchecker *.pod
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#
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# Create manual page with command:
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#
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# pod2man PAGE.N.pod > PAGE.N
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=pod
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=head1 NAME
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lrz - gzip compatible command line variant of lrzip
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=head1 SYNOPSIS
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lrz [OPTIONS] <file>
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=head1 DESCRIPTION
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lrz is identical to the lrzip application however its command line options are
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made to be as compatible with gzip as possible.
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=head1 OPTIONS
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lrz differs from lrzip by accepting the following commands:
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General options:
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-c, --stdout output to STDOUT
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-C, --check check integrity of file written on decompression
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-d, --decompress decompress
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-e, --encrypt password protected sha512/aes128 encryption on compression
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-h, -?, --help show help
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-H, --hash display md5 hash integrity information
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-i, --info show compressed file information
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-L, --license display software version and license
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-P, --progress show compression progress
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-t, --test test compressed file integrity
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-v[v], --verbose Increase verbosity
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-V, --version show version
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Options affecting output:
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-f, --force force overwrite of any existing files
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-k, --keep don't delete source files on de/compression
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-K, --keep-broken keep broken or damaged output files
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-o, --outfile filename specify the output file name and/or path
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-O, --outdir directory specify the output directory when -o is not used
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-S, --suffix suffix specify compressed suffix (default '.lrz')
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Options affecting compression:
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-b, --bzip2 bzip2 compression
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-g, --gzip gzip compression using zlib
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-l, --lzo lzo compression (ultra fast)
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-n, --no-compress no backend compression - prepare for other compressor
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-z, --zpaq zpaq compression (best, extreme compression, extremely slow)
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Low level options:
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-1 .. -9 set lzma/bzip2/gzip compression level (1-9, default 7)
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--fast alias for -1
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--best alias for -9
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-L, --level level set lzma/bzip2/gzip compression level (1-9, default 7)
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-N, --nice-level value Set nice value to value (default 0)
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-p, --threads value Set processor count to override number of threads
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-m, --maxram size Set maximim available ram in hundreds of MB
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overrides detected ammount of available ram
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-T, --threshold Disable LZO compressibility testing
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-U, --unlimited Use unlimited window size beyond ramsize (potentially much slower)
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-w, --window size maximum compression window in hundreds of MB
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default chosen by heuristic dependent on ram and chosen compression
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See also lrzip(1)
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=head1 ENVIRONMENT
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lrz uses the same environment and configuration files as lrzip(1)
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=head1 FILES
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See lrzip(1)
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=head1 SEE ALSO
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lrzip.conf(5),
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lrzip(1),
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lrunzip(1),
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lrztar(1),
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lrzuntar(1),
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bzip2(1),
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gzip(1),
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lzop(1),
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rzip(1),
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zip(1)
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=head1 AUTHORS
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This manual page was written by Con Kolivas <kernel@kolivas.org> (but
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may be used by others). Released under license GNU GPL version 2 or (at
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your option) any later version. For more information about license,
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visit <http://www.gnu.org/copyleft/gpl.html>.
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=cut
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