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UUCP
Section: POSIX Programmer's Manual (1P)
Updated: 2003
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PROLOG
This manual page is part of the POSIX Programmer's Manual.
The Linux implementation of this interface may differ (consult
the corresponding Linux manual page for details of Linux behavior),
or the interface may not be implemented on Linux.
NAME
uucp - system-to-system copy
SYNOPSIS
uucp [-cCdfjmr][-n user]
source-file... destination-file
DESCRIPTION
The uucp utility shall copy files named by the source-file
argument to the destination-file argument. The
files named can be on local or remote systems.
The uucp utility cannot guarantee support for all character
encodings in all circumstances. For example, transmission
data may be restricted to 7 bits by the underlying network, 8-bit
data and filenames need not be portable to non-internationalized
systems, and so on. Under these circumstances, it is recommended that
only characters defined in the ISO/IEC 646:1991 standard
International Reference Version (equivalent to ASCII) 7-bit range
of characters be used, and that only characters defined in the
portable filename character set be used for naming files. The protocol
for transfer of files is unspecified by
IEEE Std 1003.1-2001.
Typical implementations of this utility require a communications line
configured to use the Base Definitions volume of
IEEE Std 1003.1-2001, Chapter 11, General Terminal Interface, but
other
communications means may be used. On systems where there are no available
communications means (either temporarily or permanently),
this utility shall write an error message describing the problem and
exit with a non-zero exit status.
OPTIONS
The uucp utility shall conform to the Base Definitions volume
of IEEE Std 1003.1-2001, Section 12.2, Utility Syntax Guidelines.
The following options shall be supported:
- -c
-
Do not copy local file to the spool directory for transfer to the
remote machine (default).
- -C
-
Force the copy of local files to the spool directory for transfer.
- -d
-
Make all necessary directories for the file copy (default).
- -f
-
Do not make intermediate directories for the file copy.
- -j
-
Write the job identification string to standard output. This job identification
can be used by uustat to obtain the status or terminate a job.
- -m
-
Send mail to the requester when the copy is completed.
- -n user
-
Notify user on the remote system that a file was sent.
- -r
-
Do not start the file transfer; just queue the job.
OPERANDS
The following operands shall be supported:
- destination-file, source-file
-
A pathname of a file to be copied to, or from, respectively. Either
name can be a pathname on the local machine, or can have the
form:
-
system-name!pathname
where system-name is taken from a list of system names that
uucp knows about. The destination system-name
can also be a list of names such as:
-
system-name!system-name!...!system-name!pathname
in which case, an attempt is made to send the file via the specified
route to the destination. Care should be taken to ensure
that intermediate nodes in the route are willing to forward information.
The shell pattern matching notation characters '?', '*',
and "[...]" appearing in pathname
shall be expanded on the appropriate system.
Pathnames can be one of:
-
- 1.
-
An absolute pathname.
- 2.
-
A pathname preceded by ~ user where user is a login name
on the specified system and is replaced by that
user's login directory. Note that if an invalid login is specified,
the default is to the public directory (called PUBDIR;
the actual location of PUBDIR is implementation-defined).
- 3.
-
A pathname preceded by ~/ destination where destination
is appended to PUBDIR.
- Note:
-
-
This destination is treated as a filename unless more than one file
is being transferred by this request or the destination is
already a directory. To ensure that it is a directory, follow the
destination with a '/' . For example, ~/dan/
as the destination makes the directory PUBDIR/dan if it does
not exist and puts the requested files in that directory.
- 4.
-
Anything else shall be prefixed by the current directory.
If the result is an erroneous pathname for the remote system, the
copy shall fail. If the destination-file is a
directory, the last part of the source-file name shall be used.
The read, write, and execute permissions given by uucp are implementation-defined.
STDIN
Not used.
INPUT FILES
The files to be copied are regular files.
ENVIRONMENT VARIABLES
The following environment variables shall affect the execution of
uucp:
- LANG
-
Provide a default value for the internationalization variables that
are unset or null. (See the Base Definitions volume of
IEEE Std 1003.1-2001, Section 8.2, Internationalization Variables
for
the precedence of internationalization variables used to determine
the values of locale categories.)
- LC_ALL
-
If set to a non-empty string value, override the values of all the
other internationalization variables.
- LC_COLLATE
-
Determine the locale for the behavior of ranges, equivalence classes,
and multi-character collating elements within bracketed
filename patterns.
- LC_CTYPE
-
Determine the locale for the interpretation of sequences of bytes
of text data as characters (for example, single-byte as
opposed to multi-byte characters in arguments and input files) and
the behavior of character classes within bracketed filename
patterns (for example, "'[[:lower:]]*'" ).
- LC_MESSAGES
-
Determine the locale that should be used to affect the format and
contents of diagnostic messages written to standard error,
and informative messages written to standard output.
- NLSPATH
-
Determine the location of message catalogs for the processing of LC_MESSAGES
.
ASYNCHRONOUS EVENTS
Default.
STDOUT
Not used.
STDERR
The standard error shall be used only for diagnostic messages.
OUTPUT FILES
The output files (which may be on other systems) are copies of the
input files.
If -m is used, mail files are modified.
EXTENDED DESCRIPTION
None.
EXIT STATUS
The following exit values shall be returned:
- 0
-
Successful completion.
- >0
-
An error occurred.
CONSEQUENCES OF ERRORS
Default.
The following sections are informative.
APPLICATION USAGE
The domain of remotely accessible files can (and for obvious security
reasons usually should) be severely restricted.
Note that the '!' character in addresses has to be escaped when
using csh as a command interpreter because of
its history substitution syntax. For ksh and sh the escape
is not necessary, but
may be used.
As noted above, shell metacharacters appearing in pathnames are expanded
on the appropriate system. On an internationalized
system, this is done under the control of local settings of LC_COLLATE
and LC_CTYPE. Thus, care should be taken when
using bracketed filename patterns, as collation and typing rules may
vary from one system to another. Also be aware that certain
types of expression (that is, equivalence classes, character classes,
and collating symbols) need not be supported on
non-internationalized systems.
EXAMPLES
None.
RATIONALE
None.
FUTURE DIRECTIONS
None.
SEE ALSO
mailx, uuencode, uustat,
uux
COPYRIGHT
Portions of this text are reprinted and reproduced in electronic form
from IEEE Std 1003.1, 2003 Edition, Standard for Information Technology
-- Portable Operating System Interface (POSIX), The Open Group Base
Specifications Issue 6, Copyright (C) 2001-2003 by the Institute of
Electrical and Electronics Engineers, Inc and The Open Group. In the
event of any discrepancy between this version and the original IEEE and
The Open Group Standard, the original IEEE and The Open Group Standard
is the referee document. The original Standard can be obtained online at
http://www.opengroup.org/unix/online.html .
Index
- PROLOG
-
- NAME
-
- SYNOPSIS
-
- DESCRIPTION
-
- OPTIONS
-
- OPERANDS
-
- STDIN
-
- INPUT FILES
-
- ENVIRONMENT VARIABLES
-
- ASYNCHRONOUS EVENTS
-
- STDOUT
-
- STDERR
-
- OUTPUT FILES
-
- EXTENDED DESCRIPTION
-
- EXIT STATUS
-
- CONSEQUENCES OF ERRORS
-
- APPLICATION USAGE
-
- EXAMPLES
-
- RATIONALE
-
- FUTURE DIRECTIONS
-
- SEE ALSO
-
- COPYRIGHT
-
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