-.\" $NetBSD: cp.1,v 1.12 1997/10/11 02:14:42 enami Exp $
-.\"
.\" Copyright (c) 1989, 1990, 1993, 1994
.\" The Regents of the University of California. All rights reserved.
.\"
.\" SUCH DAMAGE.
.\"
.\" @(#)cp.1 8.3 (Berkeley) 4/18/94
+.\" $FreeBSD: src/bin/cp/cp.1,v 1.25 2002/08/16 03:13:59 johan Exp $
.\"
-.Dd April 18, 1994
+.Dd July 23, 2002
.Dt CP 1
-.Os BSD 4
+.Os
.Sh NAME
.Nm cp
.Nd copy files
.Fl R
.Op Fl H | Fl L | Fl P
.Oc
-.Op Fl f | i
-.Op Fl p
+.Op Fl f | i | n
+.Op Fl pv
.Ar source_file target_file
-.Nm cp
+.Nm
.Oo
.Fl R
.Op Fl H | Fl L | Fl P
.Oc
-.Op Fl f | i
-.Op Fl p
+.Op Fl f | i | n
+.Op Fl pv
.Ar source_file ... target_directory
.Sh DESCRIPTION
In the first synopsis form, the
If the
.Fl R
option is specified, no symbolic links are followed.
+This is the default.
.It Fl R
If
.Ar source_file
to create special files rather than copying them as normal files.
Created directories have the same mode as the corresponding source
directory, unmodified by the process' umask.
+.Pp
+Note that
+.Nm
+copies hard linked files as separate files.
+If you need to preserve hard links, consider using
+.Xr tar 1 ,
+.Xr cpio 1 ,
+or
+.Xr pax 1
+instead.
.It Fl f
-For each existing destination pathname, attempt to overwrite it. If permissions
-do not allow copy to succeed, remove it and create a new file, without
-prompting for confirmation.
+For each existing destination pathname, remove it and
+create a new file, without prompting for confirmation
+regardless of its permissions.
(The
-.Fl i
-option is ignored if the
.Fl f
-option is specified.)
+option overrides any previous
+.Fl n
+option, but not
+.Fl i
+option. See also the legacy section.)
.It Fl i
-Causes
+Cause
.Nm
to write a prompt to the standard error output before copying a file
that would overwrite an existing file.
If the response from the standard input begins with the character
-.Sq Li y ,
+.Sq Li y
+or
+.Sq Li Y ,
the file copy is attempted.
+(The
+.Fl i
+option overrides any previous
+.Fl f
+or
+.Fl n
+options.)
+.It Fl n
+Do not overwrite an existing file.
+(The
+.Fl n
+option overrides any previous
+.Fl f
+or
+.Fl i
+options.)
.It Fl p
-Causes
+Cause
.Nm
to preserve in the copy as many of the modification time, access time,
file flags, file mode, user ID, and group ID as allowed by permissions.
in the copy's permissions.
If the source file has both its set user ID and set group ID bits on,
and either the user ID or group ID cannot be preserved, neither
-the set user ID or set group ID bits are preserved in the copy's
+the set user ID nor set group ID bits are preserved in the copy's
permissions.
+.It Fl v
+Cause
+.Nm
+to be verbose, showing files as they are copied.
.El
.Pp
For each destination file that already exists, its contents are
-overwritten if permissions allow, but its mode, user ID, and group
-ID are unchanged.
+overwritten if permissions allow. Its mode, user ID, and group
+ID are unchanged unless the
+.Fl p
+option was specified.
.Pp
-In the second synopsis form,
-.Ar target_directory
+In the second synopsis form,
+.Ar target_directory
must exist unless there is only one named
.Ar source_file
-which is a directory and the
-.Fl R
+which is a directory and the
+.Fl R
flag is specified.
.Pp
If the destination file does not exist, the mode of the source file is
.Pp
Appropriate permissions are required for file creation or overwriting.
.Pp
-Symbolic links are always followed unless the
-.Fl R
+Symbolic links are always followed unless the
+.Fl R
flag is set, in which case symbolic links are not followed, by default.
The
.Fl H
-or
+or
.Fl L
flags (in conjunction with the
.Fl R
option is specified.
In addition, these options override each other and the
command's actions are determined by the last one specified.
-.Pp
-.Nm
-exits 0 on success, >0 if an error occurred.
+.Sh DIAGNOSTICS
+.Ex -std
.Sh COMPATIBILITY
Historic versions of the
.Nm
This implementation supports that option, however, its use is strongly
discouraged, as it does not correctly copy special files, symbolic links
or fifo's.
+.Pp
+The
+.Fl v
+and
+.Fl n
+options are non-standard and their use in scripts is not recommended.
+.Sh LEGACY DESCRIPTION
+When invoked in legacy mode, both
+.Fl n ,
+.Fl i
+options are overridden by the
+.Fl f
+option.
.Sh SEE ALSO
.Xr mv 1 ,
.Xr rcp 1 ,
-.Xr umask 2 ,
+.Xr umask 2 ,
.Xr fts 3 ,
+.Xr compat 5 ,
.Xr symlink 7
.Sh STANDARDS
The
.Nm
-utility is expected to be
+command is expected to be
.St -p1003.2
-compatible.
+compatible. It is also
+.St -susv3
+conformant.
+.Sh HISTORY
+A
+.Nm
+command appeared in
+.At v1 .
projects / apple / file_cmds.git / blobdiff