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diff --git a/src/kash/funcs/cmv b/src/kash/funcs/cmv
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+# $NetBSD: cmv,v 1.7 1995/05/11 21:31:05 christos Exp $
+# Copyright (c) 1991, 1993
+# The Regents of the University of California. All rights reserved.
+#
+# This code is derived from software contributed to Berkeley by
+# Kenneth Almquist.
+#
+# 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. All advertising materials mentioning features or use of this software
+# must display the following acknowledgement:
+# This product includes software developed by the University of
+# California, Berkeley and its contributors.
+# 4. 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.
+#
+# @(#)cmv 8.2 (Berkeley) 5/4/95
+
+# Conditional move--don't replace an existing file.
+
+cmv() {
+ if test $# != 2
+ then echo "cmv: arg count"
+ return 2
+ fi
+ if test -f "$2" -o -w "$2"
+ then echo "$2 exists"
+ return 2
+ fi
+ /bin/mv "$1" "$2"
+}