xref: /minix/bin/sh/funcs/cmv (revision 9f988b79)
1#	$NetBSD: cmv,v 1.7 1995/05/11 21:31:05 christos 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# 3. All advertising materials mentioning features or use of this software
17#    must display the following acknowledgement:
18#	This product includes software developed by the University of
19#	California, Berkeley and its contributors.
20# 4. Neither the name of the University nor the names of its contributors
21#    may be used to endorse or promote products derived from this software
22#    without specific prior written permission.
23#
24# THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27# ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34# SUCH DAMAGE.
35#
36#	@(#)cmv	8.2 (Berkeley) 5/4/95
37
38# Conditional move--don't replace an existing file.
39
40cmv() {
41	if test $# != 2
42	then	echo "cmv: arg count"
43		return 2
44	fi
45	if test -f "$2" -o -w "$2"
46	then	echo "$2 exists"
47		return 2
48	fi
49	/bin/mv "$1" "$2"
50}
51