Add 'corebinutils/mv/' from commit 'eef48ae3a05a5829217d2b6a8e74c0cb5f978cf3'

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+.\"-
+.\" Copyright (c) 1989, 1990, 1993
+.\"	The Regents of the University of California.  All rights reserved.
+.\"
+.\" This code is derived from software contributed to Berkeley by
+.\" the Institute of Electrical and Electronics Engineers, Inc.
+.\"
+.\" Redistribution and use in source and binary forms, with or without
+.\" modification, are permitted provided that the following conditions
+.\" are met:
+.\" 1. Redistributions of source code must retain the above copyright
+.\"    notice, this list of conditions and the following disclaimer.
+.\" 2. Redistributions in binary form must reproduce the above copyright
+.\"    notice, this list of conditions and the following disclaimer in the
+.\"    documentation and/or other materials provided with the distribution.
+.\" 3. Neither the name of the University nor the names of its contributors
+.\"    may be used to endorse or promote products derived from this software
+.\"    without specific prior written permission.
+.\"
+.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+.\" ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+.\" SUCH DAMAGE.
+.\"
+.Dd March 15, 2013
+.Dt MV 1
+.Os
+.Sh NAME
+.Nm mv
+.Nd move files
+.Sh SYNOPSIS
+.Nm
+.Op Fl f | i | n
+.Op Fl hv
+.Ar source target
+.Nm
+.Op Fl f | i | n
+.Op Fl v
+.Ar source ... directory
+.Sh DESCRIPTION
+In its first form, the
+.Nm
+utility renames the file named by the
+.Ar source
+operand to the destination path named by the
+.Ar target
+operand.
+This form is assumed when the last operand does not name an already
+existing directory.
+.Pp
+In its second form,
+.Nm
+moves each file named by a
+.Ar source
+operand to a destination file in the existing directory named by the
+.Ar directory
+operand.
+The destination path for each operand is the pathname produced by the
+concatenation of the last operand, a slash, and the final pathname
+component of the named file.
+.Pp
+The following options are available:
+.Bl -tag -width indent
+.It Fl f
+Do not prompt for confirmation before overwriting the destination
+path.
+(The
+.Fl f
+option overrides any previous
+.Fl i
+or
+.Fl n
+options.)
+.It Fl h
+If the
+.Ar target
+operand is a symbolic link to a directory,
+do not follow it.
+This causes the
+.Nm
+utility to rename the file
+.Ar source
+to the destination path
+.Ar target
+rather than moving
+.Ar source
+into the directory referenced by
+.Ar target .
+.It Fl i
+Cause
+.Nm
+to write a prompt to standard error before moving a file that would
+overwrite an existing file.
+If the response from the standard input begins with the character
+.Ql y
+or
+.Ql Y ,
+the move 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 v
+Cause
+.Nm
+to be verbose, showing files after they are moved.
+.El
+.Pp
+It is an error for the
+.Ar source
+operand to specify a directory if the target exists and is not a directory.
+.Pp
+If the destination path does not have a mode which permits writing,
+.Nm
+prompts the user for confirmation as specified for the
+.Fl i
+option.
+.Pp
+As the
+.Xr rename 2
+call does not work across file systems,
+.Nm
+uses
+.Xr cp 1
+and
+.Xr rm 1
+to accomplish the move.
+The effect is equivalent to:
+.Bd -literal -offset indent
+rm -f destination_path && \e
+cp -pRP source_file destination && \e
+rm -rf source_file
+.Ed
+.Sh EXIT STATUS
+.Ex -std
+.Sh EXAMPLES
+Rename file
+.Pa foo
+to
+.Pa bar ,
+overwriting
+.Pa bar
+if it already exists:
+.Pp
+.Dl $ mv -f foo bar
+.Sh COMPATIBILITY
+The
+.Fl h ,
+.Fl n ,
+and
+.Fl v
+options are non-standard and their use in scripts is not recommended.
+.Sh SEE ALSO
+.Xr cp 1 ,
+.Xr rm 1 ,
+.Xr symlink 7
+.Sh STANDARDS
+The
+.Nm
+utility is expected to be
+.St -p1003.2
+compatible.
+.Sh HISTORY
+A
+.Nm
+command appeared in
+.At v1 .