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-\input texinfo @c -*-texinfo-*-
-@c %**start of header
-@setfilename cpio.info
-@settitle cpio
-@setchapternewpage off
-@set VERSION GNU cpio 2.4
-@set RELEASEDATE November 1995
-@c %**end of header
-
-@ifinfo
-@format
-START-INFO-DIR-ENTRY
-* cpio: (cpio). Making tape (or disk) archives.
-END-INFO-DIR-ENTRY
-@end format
-@end ifinfo
-
-@ifinfo
-This file documents @value{VERSION}.
-
-Copyright (C) 1995 Free Software Foundation, Inc.
-
-Permission is granted to make and distribute verbatim copies of
-this manual provided the copyright notice and this permission notice
-are preserved on all copies.
-
-@ignore
-Permission is granted to process this file through TeX and print the
-results, provided the printed document carries copying permission
-notice identical to this one except for the removal of this paragraph
-
-
-@end ignore
-Permission is granted to copy and distribute modified versions of this
-manual under the conditions for verbatim copying, provided that the entire
-resulting derived work is distributed under the terms of a permission
-notice identical to this one.
-
-Permission is granted to copy and distribute translations of this manual
-into another language, under the above conditions for modified versions,
-except that this permission notice may be stated in a translation approved
-by the Foundation.
-@end ifinfo
-
-
-@titlepage
-@title GNU CPIO
-@subtitle @value{VERSION} @value{RELEASEDATE}
-@author by Robert Carleton
-@c copyright page
-@page
-@vskip 0pt plus 1filll
-Copyright @copyright{} 1995 Free Software Foundation, Inc.
-@sp 2
-This is the first edition of the GNU cpio documentation,@*
-and is consistent with @value{VERSION}.@*
-@sp 2
-Published by the Free Software Foundation @*
-59 Temple Place - Suite 330, @*
-Boston, MA 02111-1307, USA @*
-
-Permission is granted to make and distribute verbatim copies of
-this manual provided the copyright notice and this permission notice
-are preserved on all copies.
-
-Permission is granted to copy and distribute modified versions of this
-manual under the conditions for verbatim copying, provided that the entire
-resulting derived work is distributed under the terms of a permission
-notice identical to this one.
-
-Permission is granted to copy and distribute translations of this manual
-into another language, under the above conditions for modified versions,
-except that this permission notice may be stated in a translation
-approved by the Free Software Foundation.
-@end titlepage
-
-@ifinfo
-@node Top, Introduction, (dir), (dir)
-@comment node-name, next, previous, up
-@top
-
-GNU cpio is a tool for creating and extracting archives, or copying
-files from one place to another. It handles a number of cpio formats as
-well as reading and writing tar files. This is the first edition of the
-GNU cpio documentation and is consistant with @value{VERSION}.
-
-@menu
-* Introduction::
-* Tutorial:: Getting started.
-* Invoking `cpio':: How to invoke `cpio'.
-* Media:: Using tapes and other archive media.
-* Concept Index:: Concept index.
-
- --- The Detailed Node Listing ---
-
-Invoking cpio
-
-* Copy-out mode::
-* Copy-in mode::
-* Copy-pass mode::
-* Options::
-@end menu
-
-@end ifinfo
-
-@node Introduction, Tutorial, Top, Top
-@comment node-name, next, previous, up
-@chapter Introduction
-
-GNU cpio copies files into or out of a cpio or tar archive, The archive
-can be another file on the disk, a magnetic tape, or a pipe.
-
-GNU cpio supports the following archive formats: binary, old ASCII, new
-ASCII, crc, HPUX binary, HPUX old ASCII, old tar, and POSIX.1 tar. The
-tar format is provided for compatability with the tar program. By
-default, cpio creates binary format archives, for compatibility with
-older cpio programs. When extracting from archives, cpio automatically
-recognizes which kind of archive it is reading and can read archives
-created on machines with a different byte-order.
-
-@node Tutorial, Invoking `cpio', Introduction, Top
-@comment node-name, next, previous, up
-@chapter Tutorial
-@cindex creating a cpio archive
-@cindex extracting a cpio archive
-@cindex copying directory structures
-@cindex passing directory structures
-
-
-GNU cpio performs three primary functions. Copying files to an
-archive, Extracting files from an archive, and passing files to another
-directory tree. An archive can be a file on disk, one or more floppy
-disks, or one or more tapes.
-
-When creating an archive, cpio takes the list of files to be processed
-from the standard input, and then sends the archive to the standard
-output, or to the device defined by the @samp{-F} option.
-@xref{Copy-out mode}. Usually find or ls is used to provide this list
-to the standard input. In the following example you can see the
-possibilities for archiving the contents of a single directory.
-
-
-@example
-@cartouche
-% ls | cpio -ov > directory.cpio
-@end cartouche
-@end example
-
-The @samp{-o} option creates the archive, and the @samp{-v} option
-prints the names of the files archived as they are added. Notice that
-the options can be put together after a single @samp{-} or can be placed
-separately on the command line. The @samp{>} redirects the cpio output
-to the file @samp{directory.cpio}.
-
-
-If you wanted to archive an entire directory tree, the find command can
-provide the file list to cpio:
-
-
-@example
-@cartouche
-% find . -print -depth | cpio -ov > tree.cpio
-@end cartouche
-@end example
-
-
-This will take all the files in the current directory, the directories
-below and place them in the archive tree.cpio. Again the @samp{-o}
-creates an archive, and the @samp{-v} option shows you the name of the
-files as they are archived. @xref{Copy-out mode}. Using the `.' in the
-find statement will give you more flexibility when doing restores, as it
-will save file names with a relative path vice a hard wired, absolute
-path. The @samp{-depth} option forces @samp{find} to print of the
-entries in a directory before printing the directory itself. This
-limits the effects of restrictive directory permissions by printing the
-directory entries in a directory before the directory name itself.
-
-
-
-
-Extracting an archive requires a bit more thought because cpio will not
-create directories by default. Another characteristic, is it will not
-overwrite existing files unless you tell it to.
-
-
-@example
-@cartouche
-% cpio -iv < directory.cpio
-@end cartouche
-@end example
-
-This will retrieve the files archived in the file directory.cpio and
-place them in the present directory. The @samp{-i} option extracts the
-archive and the @samp{-v} shows the file names as they are extracted.
-If you are dealing with an archived directory tree, you need to use the
-@samp{-d} option to create directories as necessary, something like:
-
-@example
-@cartouche
-% cpio -idv < tree.cpio
-@end cartouche
-@end example
-
-This will take the contents of the archive tree.cpio and extract it to
-the current directory. If you try to extract the files on top of files
-of the same name that already exist (and have the same or later
-modification time) cpio will not extract the file unless told to do so
-by the -u option. @xref{Copy-in mode}.
-
-
-In copy-pass mode, cpio copies files from one directory tree to another,
-combining the copy-out and copy-in steps without actually using an
-archive. It reads the list of files to copy from the standard input;
-the directory into which it will copy them is given as a non-option
-argument. @xref{Copy-pass mode}.
-
-@example
-@cartouche
-% find . -depth -print0 | cpio --null -pvd new-dir
-@end cartouche
-@end example
-
-
-The example shows copying the files of the present directory, and
-sub-directories to a new directory called new-dir. Some new options are
-the @samp{-print0} available with GNU find, combined with the
-@samp{--null} option of cpio. These two options act together to send
-file names between find and cpio, even if special characters are
-embedded in the file names. Another is @samp{-p}, which tells cpio to
-pass the files it finds to the directory @samp{new-dir}.
-
-@node Invoking `cpio', Media, Tutorial, Top
-@comment node-name, next, previous, up
-@chapter Invoking cpio
-@cindex invoking cpio
-@cindex command line options
-
-@menu
-* Copy-out mode::
-* Copy-in mode::
-* Copy-pass mode::
-* Options::
-@end menu
-
-@node Copy-out mode, Copy-in mode, Invoking `cpio', Invoking `cpio'
-@comment node-name, next, previous, up
-@section Copy-out mode
-
-In copy-out mode, cpio copies files into an archive. It reads a list
-of filenames, one per line, on the standard input, and writes the
-archive onto the standard output. A typical way to generate the list
-of filenames is with the find command; you should give find the -depth
-option to minimize problems with permissions on directories that are
-unreadable.
-@xref{Options}.
-
-@example
-cpio @{-o|--create@} [-0acvABLV] [-C bytes] [-H format]
-[-M message] [-O [[user@@]host:]archive] [-F [[user@@]host:]archive]
-[--file=[[user@@]host:]archive] [--format=format] [--sparse]
-[--message=message][--null] [--reset-access-time] [--verbose]
-[--dot] [--append] [--block-size=blocks] [--dereference]
-[--io-size=bytes] [--help] [--version] < name-list [> archive]
-@end example
-
-@node Copy-in mode, Copy-pass mode, Copy-out mode, Invoking `cpio'
-@comment node-name, next, previous, up
-@section Copy-in mode
-
-In copy-in mode, cpio copies files out of an archive or lists the
-archive contents. It reads the archive from the standard input. Any
-non-option command line arguments are shell globbing patterns; only
-files in the archive whose names match one or more of those patterns are
-copied from the archive. Unlike in the shell, an initial `.' in a
-filename does match a wildcard at the start of a pattern, and a `/' in a
-filename can match wildcards. If no patterns are given, all files are
-extracted. @xref{Options}.
-
-@example
-cpio @{-i|--extract@} [-bcdfmnrtsuvBSV] [-C bytes] [-E file]
-[-H format] [-M message] [-R [user][:.][group]]
-[-I [[user@@]host:]archive] [-F [[user@@]host:]archive]
-[--file=[[user@@]host:]archive] [--make-directories]
-[--nonmatching] [--preserve-modification-time]
-[--numeric-uid-gid] [--rename] [--list] [--swap-bytes] [--swap]
-[--dot] [--unconditional] [--verbose] [--block-size=blocks]
-[--swap-halfwords] [--io-size=bytes] [--pattern-file=file]
-[--format=format] [--owner=[user][:.][group]]
-[--no- preserve-owner] [--message=message] [--help] [--version]
-[-no-abosolute-filenames] [-only-verify-crc] [-quiet]
-[pattern...] [< archive]
-@end example
-
-@node Copy-pass mode, Options, Copy-in mode, Invoking `cpio'
-@comment node-name, next, previous, up
-@section Copy-pass mode
-
-In copy-pass mode, cpio copies files from one directory tree to
-another, combining the copy-out and copy-in steps without actually
-using an archive. It reads the list of files to copy from the
-standard input; the directory into which it will copy them is given as
-a non-option argument.
-@xref{Options}.
-
-@example
-cpio @{-p|--pass-through@} [-0adlmuvLV] [-R [user][:.][group]]
-[--null] [--reset-access-time] [--make-directories] [--link]
-[--preserve-modification-time] [--unconditional] [--verbose]
-[--dot] [--dereference] [--owner=[user][:.][group]] [--sparse]
-[--no-preserve-owner] [--help] [--version] destination-directory
-< name-list
-@end example
-
-
-
-@node Options, , Copy-pass mode, Invoking `cpio'
-@comment node-name, next, previous, up
-@section Options
-
-
-@table @code
-
-
-@item -0, --null
-Read a list of filenames terminated by a null character, instead of a
-newline, so that files whose names contain newlines can be archived.
-GNU find is one way to produce a list of null-terminated filenames.
-This option may be used in copy-out and copy-pass modes.
-
-@item -a, --reset-access-time
-Reset the access times of files after reading them, so
-that it does not look like they have just been read.
-
-@item -A, --append
-Append to an existing archive. Only works in copy-out
-mode. The archive must be a disk file specified with
-the -O or -F (--file) option.
-
-@item -b, --swap
-Swap both halfwords of words and bytes of halfwords in the data.
-Equivalent to -sS. This option may be used in copy-in mode. Use this
-option to convert 32-bit integers between big-endian and little-endian
-machines.
-
-@item -B
-Set the I/O block size to 5120 bytes. Initially the
-block size is 512 bytes.
-
-@item --block-size=BLOCK-SIZE
-Set the I/O block size to BLOCK-SIZE * 512 bytes.
-
-@item -c
-Use the old portable (ASCII) archive format.
-
-@item -C IO-SIZE, --io-size=IO-SIZE
-Set the I/O block size to IO-SIZE bytes.
-
-@item -d, --make-directories
-Create leading directories where needed.
-
-@item -E FILE, --pattern-file=FILE
-Read additional patterns specifying filenames to extract or list from
-FILE. The lines of FILE are treated as if they had been non-option
-arguments to cpio. This option is used in copy-in mode,
-
-@item -f, --nonmatching
-Only copy files that do not match any of the given
-patterns.
-
-@item -F, --file=archive
-Archive filename to use instead of standard input or output. To use a
-tape drive on another machine as the archive, use a filename that starts
-with `HOSTNAME:'. The hostname can be preceded by a username and an
-`@@' to access the remote tape drive as that user, if you have
-permission to do so (typically an entry in that user's `~/.rhosts'
-file).
-
-@item --force-local
-With -F, -I, or -O, take the archive file name to be a
-local file even if it contains a colon, which would
-ordinarily indicate a remote host name.
-
-@item -H FORMAT, --format=FORMAT
-Use archive format FORMAT. The valid formats are listed below; the same
-names are also recognized in all-caps. The default in copy-in mode is
-to automatically detect the archive format, and in copy-out mode is
-@samp{bin}.
-
-@table @samp
-@item bin
-The obsolete binary format.
-
-@item odc
-The old (POSIX.1) portable format.
-
-@item newc
-The new (SVR4) portable format, which supports file systems having more
-than 65536 i-nodes.
-
-@item crc
-The new (SVR4) portable format with a checksum added.
-
-@item tar
-The old tar format.
-
-@item ustar
-The POSIX.1 tar format. Also recognizes GNU tar archives, which are
-similar but not identical.
-
-@item hpbin
-The obsolete binary format used by HPUX's cpio (which stores device
-files differently).
-
-@item hpodc
-The portable format used by HPUX's cpio (which stores device files
-differently).
-@end table
-
-@item -i, --extract
-Run in copy-in mode.
-@xref{Copy-in mode}.
-
-@item -I archive
-Archive filename to use instead of standard input. To use a tape drive
-on another machine as the archive, use a filename that starts with
-`HOSTNAME:'. The hostname can be preceded by a username and an `@@' to
-access the remote tape drive as that user, if you have permission to do
-so (typically an entry in that user's `~/.rhosts' file).
-
-@item -k
-Ignored; for compatibility with other versions of cpio.
-
-@item -l, --link
-Link files instead of copying them, when possible.
-
-@item -L, --dereference
-Copy the file that a symbolic link points to, rather than the symbolic
-link itself.
-
-@item -m, --preserve-modification-time
-Retain previous file modification times when creating files.
-
-@item -M MESSAGE, --message=MESSAGE
-Print MESSAGE when the end of a volume of the backup media (such as a
-tape or a floppy disk) is reached, to prompt the user to insert a new
-volume. If MESSAGE contains the string "%d", it is replaced by the
-current volume number (starting at 1).
-
-@item -n, --numeric-uid-gid
-Show numeric UID and GID instead of translating them into names when using the
-@samp{--verbose option}.
-
-@item --no-absolute-filenames
-Create all files relative to the current directory in copy-in mode, even
-if they have an absolute file name in the archive.
-
-@item --no-preserve-owner
-Do not change the ownership of the files; leave them owned by the user
-extracting them. This is the default for non-root users, so that users
-on System V don't inadvertantly give away files. This option can be
-used in copy-in mode and copy-pass mode
-
-@item -o, --create
-Run in copy-out mode.
-@xref{Copy-out mode}.
-
-@item -O archive
-Archive filename to use instead of standard output. To use a tape drive
-on another machine as the archive, use a filename that starts with
-`HOSTNAME:'. The hostname can be preceded by a username and an `@@' to
-access the remote tape drive as that user, if you have permission to do
-so (typically an entry in that user's `~/.rhosts' file).
-
-@item --only-verify-crc
-Verify the CRC's of each file in the archive, when reading a CRC format
-archive. Don't actually extract the files.
-
-@item -p, --pass-through
-Run in copy-pass mode.
-@xref{Copy-pass mode}.
-
-@item --quiet
-Do not print the number of blocks copied.
-
-@item -r, --rename
-Interactively rename files.
-
-@item -R [user][:.][group], --owner [user][:.][group]
-Set the ownership of all files created to the specified user and/or
-group in copy-out and copy-pass modes. Either the user, the group, or
-both, must be present. If the group is omitted but the ":" or "."
-separator is given, use the given user's login group. Only the
-super-user can change files' ownership.
-
-@item -s, --swap-bytes
-Swap the bytes of each halfword (pair of bytes) in the files.This option
-can be used in copy-in mode.
-
-@item -S, --swap-halfwords
-Swap the halfwords of each word (4 bytes) in the files. This option may
-be used in copy-in mode.
-
-@item --sparse
-Write files with large blocks of zeros as sparse files. This option is
-used in copy-out and copy-pass modes.
-
-@item -t, --list
-Print a table of contents of the input.
-
-@item -u, --unconditional
-Replace all files, without asking whether to replace
-existing newer files with older files.
-
-@item -v, --verbose
-List the files processed, or with @samp{-t}, give an @samp{ls -l} style
-table of contents listing. In a verbose table of contents of a ustar
-archive, user and group names in the archive that do not exist on the
-local system are replaced by the names that correspond locally to the
-numeric UID and GID stored in the archive.
-
-@item -V --dot
-Print a @kbd{.} for each file processed.
-
-@item --version
-Print the cpio program version number and exit.
-@end table
-
-
-@node Media, Concept Index, Invoking `cpio', Top
-@comment node-name, next, previous, up
-@chapter Magnetic Media
-@cindex magnetic media
-
-Archives are usually written on removable media--tape cartridges, mag
-tapes, or floppy disks.
-
-The amount of data a tape or disk holds depends not only on its size,
-but also on how it is formatted. A 2400 foot long reel of mag tape
-holds 40 megabytes of data when formated at 1600 bits per inch. The
-physically smaller EXABYTE tape cartridge holds 2.3 gigabytes.
-
-Magnetic media are re-usable--once the archive on a tape is no longer
-needed, the archive can be erased and the tape or disk used over. Media
-quality does deteriorate with use, however. Most tapes or disks should
-be disgarded when they begin to produce data errors.
-
-Magnetic media are written and erased using magnetic fields, and should
-be protected from such fields to avoid damage to stored data. Sticking
-a floppy disk to a filing cabinet using a magnet is probably not a good
-idea.
-
-
-@node Concept Index, , Media, Top
-@comment node-name, next, previous, up
-@unnumbered Concept Index
-@printindex cp
-@contents
-@bye