mirror of
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b9128a37fa
Libarchive 3.7.3 New features: #1941 uudecode filter: support file name and file mode in raw mode #1943 7-zip reader: translate Windows permissions into UNIX permissions #1962 zstd filter now supports the "long" write option #2012 add trailing letter b to bsdtar(1) substitute pattern #2031 PCRE2 support #2054 add support for long options "--group" and "--owner" to tar(1) Security fixes: #2101 Fix possible vulnerability in tar error reporting introduced in f27c173 Important bugfixes: #1974 ISO9660: preserve the natural order of links #2105 rar5: fix infinite loop if during rar5 decompression the last block produced no data #2027 xz filter: fix incorrect eof at the end of an lzip member #2043 zip: fix end-of-data marker processing when decompressing zip archives PR: 278315 (exp-run) MFC after: 1 week
219 lines
6.4 KiB
Groff
219 lines
6.4 KiB
Groff
.\"-
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.\" Copyright (c) 2007-2008 Dag-Erling Smørgrav
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.\" All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.Dd June 27, 2023
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.Dt BSDUNZIP 1
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.Os
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.Sh NAME
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.Nm bsdunzip
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.Nd extract files from a ZIP archive
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.Sh SYNOPSIS
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.Nm
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.Op Fl aCcfjLlnopqtuvy
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.Op { Fl O | Fl I No } Ar encoding
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.Op Fl d Ar dir
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.Op Fl x Ar pattern
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.Op Fl P Ar password
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.Ar zipfile
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.Op Ar member ...
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.Sh DESCRIPTION
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.\" ...
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The following options are available:
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.Bl -tag -width Fl
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.It Fl a
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When extracting a text file, convert DOS-style line endings to
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Unix-style line endings.
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.It Fl C
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Match file names case-insensitively.
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.It Fl c
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Extract to stdout/screen.
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When extracting files from the zipfile, they are written to stdout.
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This is similar to
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.Fl p ,
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but does not suppress normal output.
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.It Fl d Ar dir
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Extract files into the specified directory rather than the current
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directory.
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.It Fl f
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Update existing.
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Extract only files from the zipfile if a file with the same name
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already exists on disk and is older than the former.
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Otherwise, the file is silently skipped.
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.It Fl I Ar encoding
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.It Fl O Ar encoding
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Convert filenames from the specified encoding.
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.It Fl j
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Ignore directories stored in the zipfile; instead, extract all files
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directly into the extraction directory.
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.It Fl L
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Convert the names of the extracted files and directories to lowercase.
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.It Fl l
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List, rather than extract, the contents of the zipfile.
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.It Fl n
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No overwrite.
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When extracting a file from the zipfile, if a file with the same name
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already exists on disk, the file is silently skipped.
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.It Fl o
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Overwrite.
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When extracting a file from the zipfile, if a file with the same name
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already exists on disk, the existing file is replaced with the file
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from the zipfile.
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.It Fl p
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Extract to stdout.
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When extracting files from the zipfile, they are written to stdout.
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The normal output is suppressed as if
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.Fl q
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was specified.
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.It Fl P Ar password
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Extract encrypted files using a password.
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Putting a password on the command line using this option can be
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insecure.
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.It Fl q
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Quiet: print less information while extracting.
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.It Fl t
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Test: do not extract anything, but verify the checksum of every file
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in the archive.
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.It Fl u
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Update.
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When extracting a file from the zipfile, if a file with the same name
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already exists on disk, the existing file is replaced with the file
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from the zipfile if and only if the latter is newer than the former.
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Otherwise, the file is silently skipped.
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.It Fl v
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List verbosely, rather than extract, the contents of the zipfile.
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This differs from
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.Fl l
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by using the long listing.
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Note that most of the data is currently fake and does not reflect the
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content of the archive.
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.It Fl x Ar pattern
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Exclude files matching the pattern
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.Ar pattern .
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.It Fl y
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Print four digit years in listings instead of two.
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.It Fl Z Ar mode
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Emulate
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.Xr zipinfo 1L
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mode.
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Enabling
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.Xr zipinfo 1L
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mode changes the way in which additional arguments are parsed.
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Currently only
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.Xr zipinfo 1L
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mode 1 is supported, which lists the file names one per line.
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.It Ar [member ...]
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Optional list of members to extract from the zipfile.
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Can include patterns, e.g.,
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.Ar 'memberdir/*'
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will extract all files and dirs below memberdir.
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.El
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.Pp
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Note that only one of
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.Fl n ,
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.Fl o ,
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and
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.Fl u
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may be specified.
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If specified filename is
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.Qq - ,
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then data is read from
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.Va stdin .
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.Sh ENVIRONMENT
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If the
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.Ev UNZIP_DEBUG
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environment variable is defined, the
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.Fl q
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command-line option has no effect, and additional debugging
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information will be printed to
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.Va stderr .
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.Sh COMPATIBILITY
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The
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.Nm
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utility aims to be sufficiently compatible with other implementations
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to serve as a drop-in replacement in the context of the
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.Xr ports 7
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system.
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No attempt has been made to replicate functionality which is not
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required for that purpose.
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.Pp
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For compatibility reasons, command-line options will be recognized if
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they are listed not only before but also after the name of the
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zipfile.
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.Pp
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Normally, the
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.Fl a
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option should only affect files which are marked as text files in the
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zipfile's central directory.
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Since the
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.Xr archive 3
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library does not provide access to that information, it is not available
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to the
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.Nm
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utility.
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Instead, the
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.Nm
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utility will assume that a file is a text file if no non-ASCII
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characters are present within the first block of data decompressed for
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that file.
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If non-ASCII characters appear in subsequent blocks of data, a warning
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will be issued.
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.Pp
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The
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.Nm
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utility is only able to process ZIP archives handled by
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.Xr libarchive 3 .
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Depending on the installed version of
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.Xr libarchive 3 ,
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this may or may not include self-extracting or ZIPX archives.
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.Sh SEE ALSO
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.Xr libarchive 3
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.Sh HISTORY
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The
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.Nm
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utility appeared in
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.Fx 8.0 .
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.Sh AUTHORS
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The
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.Nm
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utility and this manual page were written by
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.An Dag-Erling Sm\(/orgrav Aq Mt des@FreeBSD.org .
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It uses the
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.Xr archive 3
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library developed by
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.An Tim Kientzle Aq Mt kientzle@FreeBSD.org .
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.Sh CAVEATS
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The
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.Nm
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utility performs two scans of the command-line for arguments before
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and after the archive name, so as to maintain compatibility with
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Info-ZIP unzip.
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As a result, the POSIX
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.Ql --
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double-dash string used to separate options from arguments will need to
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be repeated.
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For example, to extract a "-a.jpg" from "-b.zip" with overwrite, one
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would need to invoke
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.Dl bsdunzip -o -- -a.jpg -- -b.zip
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