1#	$NetBSD: cmv,v 1.9 2025/04/09 13:44:12 kre Exp $
2# Copyright (c) 1991, 1993
3#	The Regents of the University of California.  All rights reserved.
4#
5# This code is derived from software contributed to Berkeley by
6# Kenneth Almquist.
7#
8# Redistribution and use in source and binary forms, with or without
9# modification, are permitted provided that the following conditions
10# are met:
11# 1. Redistributions of source code must retain the above copyright
12#    notice, this list of conditions and the following disclaimer.
13# 2. Redistributions in binary form must reproduce the above copyright
14#    notice, this list of conditions and the following disclaimer in the
15#    documentation and/or other materials provided with the distribution.
16#
17# THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20# ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27# SUCH DAMAGE.
28#
29#	@(#)cmv	8.2 (Berkeley) 5/4/95
30
31# Conditional move--don't replace an existing file.
32
33cmv() {
34	if test $# != 2
35	then
36		printf 'Usage: cmv src-file dst-file\n' >&2
37		return 2
38	fi
39	if test -e "$2" || test -h "$2" || test -w "$2"
40	then
41		printf 'cmv: %s exists\n' "$2" >&2
42		return 2
43	fi
44	/bin/mv "$1" "$2"
45}
46